Cadence (R) Virtuoso (R) Spectre (R) Circuit Simulator Version 14.1.0.765.isr11 64bit -- 24 Jul 2015 Copyright (C) 1989-2015 Cadence Design Systems, Inc. All rights reserved worldwide. Cadence, Virtuoso and Spectre are registered trademarks of Cadence Design Systems, Inc. All others are the property of their respective holders. Includes RSA BSAFE(R) Cryptographic or Security Protocol Software from RSA Security, Inc. User: pjayanta Host: vlsi-9.nitr.in HostID: A8C05331 PID: 5493 Memory available: 6.2067 GB physical: 8.1730 GB CPU Type: Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz Processor PhysicalID CoreID Frequency Load 0 0 0 800.0 10.5 1 0 1 800.0 6.8 2 0 2 800.0 0.3 3 0 3 800.0 0.1 4 0 0 1400.0 1.9 5 0 1 800.0 11.2 6 0 2 3401.0 0.1 7 0 3 800.0 0.0 Simulating `input.scs' on vlsi-9.nitr.in at 6:38:24 PM, Tue Oct 6, 2020 (process id: 5493). Current working directory: /home/guests/phd/pjayanta/simulation/PLL/spectre/schematic/netlist Command line: /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools/bin/spectre \ -64 input.scs +escchars +log ../psf/spectre.out +inter=mpsc \ +mpssession=spectre0_3558_7 -format psfxl -raw ../psf \ +lqtimeout 900 -maxw 5 -maxn 5 spectre pid = 5493 Loading /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/cmi/lib/64bit/5.0/libinfineon_sh.so ... Loading /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/cmi/lib/64bit/5.0/libphilips_o_sh.so ... Loading /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/cmi/lib/64bit/5.0/libphilips_sh.so ... Loading /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/cmi/lib/64bit/5.0/libsparam_sh.so ... Loading /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/cmi/lib/64bit/5.0/libstmodels_sh.so ... Reading file: /home/guests/phd/pjayanta/simulation/PLL/spectre/schematic/netlist/input.scs Reading file: /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/spectre/etc/configs/spectre.cfg Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_25IO_NVT_V021.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_25IO_NVT_V021.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_25IO_V111.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_25IO_V111.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_NCAP25_V113.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_NCAP25_V113.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_varmis_25_rf_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_varmis_25_rf_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_33IO_GOX52_VT21.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_33IO_GOX52_VT21.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_25IO_RF_V021.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_25IO_RF_V021.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90-resistor-control-V041.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_res.va Reading link: /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/spectre/etc/ahdl/constants.h Reading file: /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/spectre/etc/ahdl/constants.vams Reading link: /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/spectre/etc/ahdl/discipline.h Reading file: /cad/cadence/MMSIM/MMSIM141ISR/MMSIM141ISR_lnx86/tools.lnx86/spectre/etc/ahdl/disciplines.vams Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_ppo_V031.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_ppo_V031.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_npo_V031.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_npo_V031.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_rnhr_V031.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_rnhr_V031.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_rsnwell_V031.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_rsnwell_V031.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_nd_V031.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_nd_V031.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_pd_V031.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_pd_V031.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_metal_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_r_metal_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_BJT_V111.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_BJT_V111.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_DIODE_V101.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LL12_RF_V021.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LL12_RF_V021.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLLVT12_RF_VTAB.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLLVT12_RF_VTAB.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LL12_V102.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LL12_V102.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLHVT12_V101.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLHVT12_V101.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLLVT12_V102.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLLVT12_V102.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLNVT12_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_LLNVT12_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90SP_NCAP10_V112.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90SP_NCAP10_V112.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_NCAP12_LL_V102.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_NCAP12_LL_V102.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SP10_V061.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SP10_V061.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SPHVT10_V111.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SPHVT10_V111.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SPLVT10_V102.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SPLVT10_V102.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SPNVT10_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SPNVT10_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_mimcaps_20f_kf_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_mimcaps_20f_kf_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_momcaps_V041.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_momcaps_V041.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_vardiop_rf_v011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_vardiop_rf_v011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_varmis_12_llrf_V021.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_varmis_12_llrf_V021.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/momcaps_array_vp3_rfvcl_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/momcaps_array_vp3_rfvcl_V011.typ.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/momcaps_array_vp4_rfvcl_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/momcaps_array_vp4_rfvcl_V011.typ.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/rnhr_rf_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/rnhr_rf_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/res_poly.va Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/rnnpo_rf_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/rnnpo_rf_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/rnppo_rf_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/rnppo_rf_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_varmis_10_sprf_V011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_varmis_10_sprf_V011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/bond_pad_v011.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/bond_pad_v011.mdl.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SP10_RF_V021.lib.scs Reading file: /project/foundry/UMC90/Designkits/Cadence_6.1/Models/Spectre/L90_SP10_RF_V021.mdl.scs Time for NDB Parsing: CPU = 91.986 ms, elapsed = 2.72125 s. Time accumulated: CPU = 104.983 ms, elapsed = 2.72125 s. Peak resident memory used = 46.1 Mbytes. Warning from spectre during circuit read-in. WARNING (SFE-2654): VerilogA module `respoly_va' override primitive/(verilogA module) `respoly_va'. WARNING (SFE-2654): VerilogA module `respoly_va' override primitive/(verilogA module) `respoly_va'. Warning from spectre during hierarchy flattening. WARNING (SFE-884): "/project/foundry/UMC90/Designkits/Cadence_6.1/umc90nm/../Models/Spectre/L90-resistor-control-V041.scs" 1: The option 'tnom' is deleted because it is redefined at 'input.scs':line '257'. Warning from spectre in `csvco2':`I0', during hierarchy flattening. WARNING (SFE-30): "input.scs" 46: I0.NM26: `mis_flag' is not a valid parameter for an instance of `n_12_ll'. Ignored. WARNING (SFE-30): "input.scs" 46: I0.NM26: `mf' is not a valid parameter for an instance of `n_12_ll'. Ignored. WARNING (SFE-30): "input.scs" 48: I0.NM28: `mis_flag' is not a valid parameter for an instance of `n_12_ll'. Ignored. WARNING (SFE-30): "input.scs" 48: I0.NM28: `mf' is not a valid parameter for an instance of `n_12_ll'. Ignored. WARNING (SFE-30): "input.scs" 50: I0.NM8: `mis_flag' is not a valid parameter for an instance of `n_12_ll'. Ignored. Further occurrences of this warning will be suppressed. Time for Elaboration: CPU = 17.997 ms, elapsed = 293.479 ms. Time accumulated: CPU = 123.98 ms, elapsed = 3.11076 s. Peak resident memory used = 52 Mbytes. Time for EDB Visiting: CPU = 1 ms, elapsed = 990.152 us. Time accumulated: CPU = 124.98 ms, elapsed = 3.2108 s. Peak resident memory used = 52.8 Mbytes. Warning from spectre during initial setup. WARNING (CMI-2424): I8.PM1: `Moin' = 4.71396 is unusually small. WARNING (CMI-2424): I0.PM0q: `Moin' = 4.91603 is unusually small. WARNING (CMI-2424): I0.PM1: `Moin' = 4.66316 is unusually small. Global user options: reltol = 0.001 vabstol = 1e-06 iabstol = 1e-12 temp = 27 tnom = 27 scalem = 1 scale = 1 gmin = 1e-12 rforce = 1 maxnotes = 5 maxwarns = 5 digits = 5 cols = 80 pivrel = 0.001 sensfile = ../psf/sens.output checklimitdest = psf save = allpub tnom = 25 tnom = 27 scalem = 1 scale = 1 Circuit inventory: nodes 71 bsim4 108 capacitor 2 resistor 1 vsource 3 Analysis and control statement inventory: dc 1 info 8 pnoise 2 pss 1 tran 1 Output statements: .probe 0 .measure 0 save 0 Notice from spectre. 211 warnings suppressed. Time for parsing: CPU = 2.999 ms, elapsed = 1.25322 s. Time accumulated: CPU = 127.979 ms, elapsed = 4.56319 s. Peak resident memory used = 54.1 Mbytes. ~~~~~~~~~~~~~~~~~~~~~~ Pre-Simulation Summary ~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ Entering remote command mode using MPSC service (spectre, ipi, v0.0, spectre0_3558_7, ). Warning from spectre. WARNING (SPECTRE-16707): Only tran supports psfxl format, result of other analyses will be in psfbin format. ****************** DC Analysis `dcOp' ****************** Important parameter values: reltol = 1e-03 abstol(V) = 1 uV abstol(I) = 1 pA temp = 27 C tnom = 27 C tempeffects = all gmindc = 1 pS Trying `homotopy = gmin'. Continuation method failed. Step size is too small. Trying `homotopy = source'. Notice from spectre during DC analysis `dcOp'. Bad pivoting is found during DC analysis. Option dc_pivot_check=yes is recommended for possible improvement of convergence. Convergence achieved in 38 iterations. Total time required for dc analysis `dcOp': CPU = 133.98 ms, elapsed = 239.921 ms. Time accumulated: CPU = 262.959 ms, elapsed = 5.64821 s. Peak resident memory used = 55.4 Mbytes. dcOpInfo: writing operating point information to rawfile. *********************************************** Transient Analysis `tran': time = (0 s -> 4 us) *********************************************** Notice from spectre during IC analysis, during transient analysis `tran'. GminDC = 1 pS is large enough to noticeably affect the DC solution. dV(I2.I14.I1.NM0:int_s) = 131.138 mV Use the `gmin_check' option to eliminate or expand this report. Bad pivoting is found during DC analysis. Option dc_pivot_check=yes is recommended for possible improvement of convergence. DC simulation time: CPU = 2 ms, elapsed = 1.60909 ms. Important parameter values: start = 0 s outputstart = 0 s stop = 4 us step = 4 ns maxstep = 80 ns ic = all useprevic = no skipdc = no reltol = 1e-03 abstol(V) = 1 uV abstol(I) = 1 pA temp = 27 C tnom = 27 C tempeffects = all errpreset = moderate method = traponly lteratio = 3.5 relref = sigglobal cmin = 0 F gmin = 1 pS Output and IC/nodeset summary: save 3 (current) save 71 (voltage) Notice from spectre at time = 13.3334 ns during transient analysis `tran'. Found trapezoidal ringing on node I0.NM7:int_d. Notice from spectre at time = 16.6669 ns during transient analysis `tran'. Found trapezoidal ringing on node I2.I18.NM4:int_d. Notice from spectre at time = 16.667 ns during transient analysis `tran'. Found trapezoidal ringing on node I2.I18.NM4:int_d. Notice from spectre at time = 20.0003 ns during transient analysis `tran'. Found trapezoidal ringing on node I2.I18.NM1:int_s. Notice from spectre at time = 26.667 ns during transient analysis `tran'. Found trapezoidal ringing on node I2.I18.NM1:int_s. Further occurrences of this notice will be suppressed. tran: time = 60.91 ns (1.52 %), step = 7.508 ps (188 u%) tran: time = 100 ns (2.5 %), step = 2.027 ps (50.7 u%) tran: time = 148.5 ns (3.71 %), step = 2.713 ps (67.8 u%) tran: time = 197.7 ns (4.94 %), step = 4.484 ps (112 u%) tran: time = 246.6 ns (6.16 %), step = 3.828 ps (95.7 u%) tran: time = 295.9 ns (7.4 %), step = 4.176 ps (104 u%) tran: time = 300 ns (7.5 %), step = 3.735 ps (93.4 u%) tran: time = 349.5 ns (8.74 %), step = 3.175 ps (79.4 u%) tran: time = 399 ns (9.97 %), step = 2.616 ps (65.4 u%) tran: time = 448.3 ns (11.2 %), step = 2.379 ps (59.5 u%) tran: time = 496.8 ns (12.4 %), step = 2.21 ps (55.3 u%) tran: time = 500 ns (12.5 %), step = 4.114 ps (103 u%) tran: time = 549.5 ns (13.7 %), step = 6.103 ps (153 u%) tran: time = 599.2 ns (15 %), step = 5.888 ps (147 u%) tran: time = 648.4 ns (16.2 %), step = 3.783 ps (94.6 u%) tran: time = 698.2 ns (17.5 %), step = 5.138 ps (128 u%) tran: time = 700 ns (17.5 %), step = 2.785 ps (69.6 u%) tran: time = 750.5 ns (18.8 %), step = 3.807 ps (95.2 u%) tran: time = 802.7 ns (20.1 %), step = 6.479 ps (162 u%) tran: time = 854.7 ns (21.4 %), step = 10.05 ps (251 u%) tran: time = 900 ns (22.5 %), step = 4.135 ps (103 u%) tran: time = 951.5 ns (23.8 %), step = 2.426 ps (60.6 u%) tran: time = 1.003 us (25.1 %), step = 4.096 ps (102 u%) tran: time = 1.053 us (26.3 %), step = 2.903 ps (72.6 u%) tran: time = 1.1 us (27.5 %), step = 3.197 ps (79.9 u%) tran: time = 1.15 us (28.8 %), step = 5.529 ps (138 u%) tran: time = 1.202 us (30 %), step = 11.23 ps (281 u%) tran: time = 1.252 us (31.3 %), step = 2.013 ps (50.3 u%) tran: time = 1.3 us (32.5 %), step = 1.545 ps (38.6 u%) tran: time = 1.351 us (33.8 %), step = 4.076 ps (102 u%) tran: time = 1.402 us (35 %), step = 2.408 ps (60.2 u%) tran: time = 1.452 us (36.3 %), step = 2.019 ps (50.5 u%) tran: time = 1.5 us (37.5 %), step = 3.213 ps (80.3 u%) tran: time = 1.551 us (38.8 %), step = 3.661 ps (91.5 u%) tran: time = 1.602 us (40 %), step = 1.965 ps (49.1 u%) tran: time = 1.653 us (41.3 %), step = 2.247 ps (56.2 u%) tran: time = 1.7 us (42.5 %), step = 7.985 ps (200 u%) tran: time = 1.749 us (43.7 %), step = 2.399 ps (60 u%) tran: time = 1.8 us (45 %), step = 2.699 ps (67.5 u%) tran: time = 1.851 us (46.3 %), step = 4.246 ps (106 u%) tran: time = 1.9 us (47.5 %), step = 3.367 ps (84.2 u%) tran: time = 1.95 us (48.8 %), step = 8.634 ps (216 u%) tran: time = 2.001 us (50 %), step = 5.278 ps (132 u%) tran: time = 2.051 us (51.3 %), step = 5.102 ps (128 u%) tran: time = 2.1 us (52.5 %), step = 5.417 ps (135 u%) tran: time = 2.15 us (53.8 %), step = 3.406 ps (85.2 u%) tran: time = 2.2 us (55 %), step = 11.07 fs (277 n%) tran: time = 2.25 us (56.3 %), step = 5.301 ps (133 u%) tran: time = 2.3 us (57.5 %), step = 2.308 ps (57.7 u%) tran: time = 2.35 us (58.8 %), step = 4.729 ps (118 u%) tran: time = 2.401 us (60 %), step = 1.45 ps (36.3 u%) tran: time = 2.452 us (61.3 %), step = 9.515 ps (238 u%) tran: time = 2.5 us (62.5 %), step = 4.591 ps (115 u%) tran: time = 2.551 us (63.8 %), step = 5.424 ps (136 u%) tran: time = 2.601 us (65 %), step = 1.749 ps (43.7 u%) tran: time = 2.652 us (66.3 %), step = 1.777 ps (44.4 u%) tran: time = 2.7 us (67.5 %), step = 2.976 ps (74.4 u%) tran: time = 2.75 us (68.7 %), step = 2.138 ps (53.5 u%) tran: time = 2.801 us (70 %), step = 4.118 ps (103 u%) tran: time = 2.851 us (71.3 %), step = 6.083 ps (152 u%) tran: time = 2.9 us (72.5 %), step = 3.981 ps (99.5 u%) tran: time = 2.95 us (73.8 %), step = 2.297 ps (57.4 u%) tran: time = 3.001 us (75 %), step = 2 ps (50 u%) tran: time = 3.052 us (76.3 %), step = 5.528 ps (138 u%) tran: time = 3.1 us (77.5 %), step = 3.681 ps (92 u%) tran: time = 3.151 us (78.8 %), step = 4.936 ps (123 u%) tran: time = 3.202 us (80 %), step = 5.953 ps (149 u%) tran: time = 3.252 us (81.3 %), step = 2.445 ps (61.1 u%) tran: time = 3.3 us (82.5 %), step = 3.397 ps (84.9 u%) tran: time = 3.349 us (83.7 %), step = 4.649 ps (116 u%) tran: time = 3.4 us (85 %), step = 4.639 ps (116 u%) tran: time = 3.45 us (86.3 %), step = 2.831 ps (70.8 u%) tran: time = 3.5 us (87.5 %), step = 2.719 ps (68 u%) tran: time = 3.55 us (88.8 %), step = 3.538 ps (88.5 u%) tran: time = 3.601 us (90 %), step = 3.854 ps (96.3 u%) tran: time = 3.651 us (91.3 %), step = 1.49 ps (37.2 u%) tran: time = 3.7 us (92.5 %), step = 3.974 ps (99.3 u%) tran: time = 3.751 us (93.8 %), step = 3.397 ps (84.9 u%) tran: time = 3.801 us (95 %), step = 5.639 ps (141 u%) tran: time = 3.852 us (96.3 %), step = 2.606 ps (65.1 u%) tran: time = 3.9 us (97.5 %), step = 3.199 ps (80 u%) tran: time = 3.95 us (98.8 %), step = 1.662 ps (41.5 u%) Number of accepted tran steps = 916457 Notice from spectre during transient analysis `tran'. Trapezoidal ringing is detected during tran analysis. Please use method=trap for better results and performance. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Post-Transient Simulation Summary ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - To further speed up simulation, consider add ++aps on command line add +cktpreset=sampled on command line for ADC/DAC simulation add +cktpreset=pll on command line for PLL simulation ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Initial condition solution time: CPU = 2 ms, elapsed = 1.65582 ms. Intrinsic tran analysis time: CPU = 792.079 s, elapsed = 792.672 s. Total time required for tran analysis `tran': CPU = 792.083 s (13m 12.1s), elapsed = 792.681 s (13m 12.7s). Time accumulated: CPU = 792.478 s (13m 12.5s), elapsed = 800.649 s (13m 20.6s). Peak resident memory used = 178 Mbytes. Notice from spectre. 538 notices suppressed. finalTimeOP: writing operating point information to rawfile. **************************************************** Periodic Steady-State Analysis `pss': fund = 150 MHz **************************************************** Notice from spectre during IC analysis, during periodic steady state analysis `pss'. GminDC = 1 pS is large enough to noticeably affect the DC solution. dV(I2.I14.I1.NM0:int_s) = 131.138 mV Use the `gmin_check' option to eliminate or expand this report. Bad pivoting is found during DC analysis. Option dc_pivot_check=yes is recommended for possible improvement of convergence. DC simulation time: CPU = 12.998 ms, elapsed = 12.9268 ms. ================================= `pss': time = (0 s -> 4.01667 us) ================================= Output and IC/nodeset summary: save 3 (current) save 71 (voltage) Important parameter values in tstab integration: start = 0 s outputstart = 0 s stop = 4.01667 us period = 6.66667 ns maxperiods = 20 step = 4.01667 ns maxstep = 266.667 ps ic = all useprevic = no skipdc = no reltol = 1e-03 abstol(V) = 1 uV abstol(I) = 1 pA temp = 27 C tnom = 27 C tempeffects = all method = traponly lteratio = 3.5 relref = sigglobal cmin = 0 F gmin = 1 pS Notice from spectre at time = 11.4868 ns during periodic steady state analysis `pss'. Found trapezoidal ringing on node I0.NM7:int_d. Notice from spectre at time = 11.7535 ns during periodic steady state analysis `pss'. Found trapezoidal ringing on node I0.NM7:int_d. Notice from spectre at time = 12.0202 ns during periodic steady state analysis `pss'. Found trapezoidal ringing on node I0.NM0:int_d. Notice from spectre at time = 12.2868 ns during periodic steady state analysis `pss'. Found trapezoidal ringing on node I0.NM0:int_d. Notice from spectre at time = 12.5535 ns during periodic steady state analysis `pss'. Found trapezoidal ringing on node I0.NM0:int_d. Further occurrences of this notice will be suppressed. pss: time = 60.77 ns (1.51 %), step = 5.42 ps (135 u%) pss: time = 100.4 ns (2.5 %), step = 9.085 ps (226 u%) pss: time = 149.7 ns (3.73 %), step = 6.301 ps (157 u%) pss: time = 199.5 ns (4.97 %), step = 4.98 ps (124 u%) pss: time = 249 ns (6.2 %), step = 3.777 ps (94 u%) pss: time = 298.9 ns (7.44 %), step = 3.833 ps (95.4 u%) pss: time = 301.3 ns (7.5 %), step = 8.59 ps (214 u%) pss: time = 351 ns (8.74 %), step = 3.373 ps (84 u%) pss: time = 401.1 ns (9.99 %), step = 4.43 ps (110 u%) pss: time = 451 ns (11.2 %), step = 4.754 ps (118 u%) pss: time = 501.1 ns (12.5 %), step = 2.491 ps (62 u%) pss: time = 502.1 ns (12.5 %), step = 6.429 ps (160 u%) pss: time = 552.1 ns (13.7 %), step = 4.583 ps (114 u%) pss: time = 602.4 ns (15 %), step = 6.003 ps (149 u%) pss: time = 652.4 ns (16.2 %), step = 3.864 ps (96.2 u%) pss: time = 702.5 ns (17.5 %), step = 6.456 ps (161 u%) pss: time = 702.9 ns (17.5 %), step = 3.781 ps (94.1 u%) pss: time = 754 ns (18.8 %), step = 5.641 ps (140 u%) pss: time = 806.7 ns (20.1 %), step = 13.01 fs (324 n%) pss: time = 859 ns (21.4 %), step = 2.398 ps (59.7 u%) pss: time = 903.8 ns (22.5 %), step = 11.31 ps (282 u%) pss: time = 955.8 ns (23.8 %), step = 10.96 ps (273 u%) pss: time = 1.007 us (25.1 %), step = 5.824 ps (145 u%) pss: time = 1.059 us (26.4 %), step = 3.876 ps (96.5 u%) pss: time = 1.105 us (27.5 %), step = 4.698 ps (117 u%) pss: time = 1.156 us (28.8 %), step = 5.627 ps (140 u%) pss: time = 1.208 us (30.1 %), step = 1.815 ps (45.2 u%) pss: time = 1.26 us (31.4 %), step = 3.426 ps (85.3 u%) pss: time = 1.305 us (32.5 %), step = 3.304 ps (82.3 u%) pss: time = 1.357 us (33.8 %), step = 5.318 ps (132 u%) pss: time = 1.408 us (35.1 %), step = 4.378 ps (109 u%) pss: time = 1.46 us (36.3 %), step = 8.776 ps (218 u%) pss: time = 1.506 us (37.5 %), step = 4.324 ps (108 u%) pss: time = 1.558 us (38.8 %), step = 2.582 ps (64.3 u%) pss: time = 1.61 us (40.1 %), step = 4.341 ps (108 u%) pss: time = 1.661 us (41.4 %), step = 3.066 ps (76.3 u%) pss: time = 1.707 us (42.5 %), step = 4.262 ps (106 u%) pss: time = 1.758 us (43.8 %), step = 9.886 ps (246 u%) pss: time = 1.81 us (45.1 %), step = 4.686 ps (117 u%) pss: time = 1.861 us (46.3 %), step = 2.215 ps (55.2 u%) pss: time = 1.908 us (47.5 %), step = 4.073 ps (101 u%) pss: time = 1.959 us (48.8 %), step = 7.006 ps (174 u%) pss: time = 2.01 us (50 %), step = 37.41 fs (931 n%) pss: time = 2.061 us (51.3 %), step = 4.846 ps (121 u%) pss: time = 2.109 us (52.5 %), step = 5.912 ps (147 u%) pss: time = 2.16 us (53.8 %), step = 4.912 ps (122 u%) pss: time = 2.211 us (55 %), step = 1.32 ps (32.9 u%) pss: time = 2.263 us (56.3 %), step = 5.182 ps (129 u%) pss: time = 2.31 us (57.5 %), step = 7.712 ps (192 u%) pss: time = 2.361 us (58.8 %), step = 8.102 ps (202 u%) pss: time = 2.412 us (60.1 %), step = 3.984 ps (99.2 u%) pss: time = 2.464 us (61.3 %), step = 3.11 ps (77.4 u%) pss: time = 2.51 us (62.5 %), step = 5.95 ps (148 u%) pss: time = 2.562 us (63.8 %), step = 5.073 ps (126 u%) pss: time = 2.613 us (65.1 %), step = 3.969 ps (98.8 u%) pss: time = 2.665 us (66.3 %), step = 3.387 ps (84.3 u%) pss: time = 2.711 us (67.5 %), step = 2.036 ps (50.7 u%) pss: time = 2.763 us (68.8 %), step = 4.981 ps (124 u%) pss: time = 2.815 us (70.1 %), step = 5.278 ps (131 u%) pss: time = 2.866 us (71.4 %), step = 3.394 ps (84.5 u%) pss: time = 2.912 us (72.5 %), step = 2.754 ps (68.6 u%) pss: time = 2.963 us (73.8 %), step = 803.2 fs (20 u%) pss: time = 3.015 us (75.1 %), step = 4.122 ps (103 u%) pss: time = 3.067 us (76.3 %), step = 4.086 ps (102 u%) pss: time = 3.113 us (77.5 %), step = 3.175 ps (79.1 u%) pss: time = 3.165 us (78.8 %), step = 10.76 ps (268 u%) pss: time = 3.216 us (80.1 %), step = 2.577 ps (64.2 u%) pss: time = 3.268 us (81.4 %), step = 6.556 ps (163 u%) pss: time = 3.314 us (82.5 %), step = 5.741 ps (143 u%) pss: time = 3.365 us (83.8 %), step = 7.698 ps (192 u%) pss: time = 3.417 us (85.1 %), step = 2.774 ps (69.1 u%) pss: time = 3.469 us (86.4 %), step = 5.799 ps (144 u%) pss: time = 3.515 us (87.5 %), step = 5.643 ps (140 u%) pss: time = 3.566 us (88.8 %), step = 8.02 ps (200 u%) pss: time = 3.618 us (90.1 %), step = 2.277 ps (56.7 u%) pss: time = 3.67 us (91.4 %), step = 4.766 ps (119 u%) pss: time = 3.715 us (92.5 %), step = 5.715 ps (142 u%) pss: time = 3.767 us (93.8 %), step = 3.02 ps (75.2 u%) pss: time = 3.818 us (95.1 %), step = 5.721 ps (142 u%) pss: time = 3.87 us (96.4 %), step = 4.672 ps (116 u%) pss: time = 3.916 us (97.5 %), step = 5.021 ps (125 u%) pss: time = 3.968 us (98.8 %), step = 3.803 ps (94.7 u%) Conv norm = 61.7e+03, max dV(I1.I4.NM5:int_d) = -1.20428 V, took 782.38 s. Important parameter values in pss iteration: start = 4.01 us outputstart = 0 s stop = 4.01667 us period = 6.66667 ns maxperiods = 20 steadyratio = 1e-03 step = 4.01667 ns maxstep = 33.3333 ps ic = all useprevic = no skipdc = no reltol = 1e-03 abstol(V) = 1 uV abstol(I) = 1 pA temp = 27 C tnom = 27 C tempeffects = all errpreset = moderate method = gear2only lteratio = 3.5 relref = alllocal cmin = 0 F gmin = 1 pS ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.54 %), step = 2.871 ps (43.1 m%) pss: time = 4.011 us (7.55 %), step = 7.317 ps (110 m%) pss: time = 4.011 us (12.6 %), step = 3.674 ps (55.1 m%) pss: time = 4.011 us (17.5 %), step = 4.885 ps (73.3 m%) pss: time = 4.012 us (22.5 %), step = 2.81 ps (42.1 m%) pss: time = 4.012 us (27.5 %), step = 3.526 ps (52.9 m%) pss: time = 4.012 us (32.6 %), step = 7.35 ps (110 m%) pss: time = 4.013 us (37.5 %), step = 3.416 ps (51.2 m%) pss: time = 4.013 us (42.5 %), step = 4.888 ps (73.3 m%) pss: time = 4.013 us (47.5 %), step = 2.808 ps (42.1 m%) pss: time = 4.014 us (52.6 %), step = 3.708 ps (55.6 m%) pss: time = 4.014 us (57.6 %), step = 7.311 ps (110 m%) pss: time = 4.014 us (62.5 %), step = 3.219 ps (48.3 m%) pss: time = 4.015 us (67.5 %), step = 4.882 ps (73.2 m%) pss: time = 4.015 us (72.5 %), step = 2.81 ps (42.1 m%) pss: time = 4.015 us (77.5 %), step = 3.213 ps (48.2 m%) pss: time = 4.016 us (82.6 %), step = 7.333 ps (110 m%) pss: time = 4.016 us (87.5 %), step = 3.415 ps (51.2 m%) pss: time = 4.016 us (92.6 %), step = 4.889 ps (73.3 m%) pss: time = 4.017 us (97.5 %), step = 2.808 ps (42.1 m%) Conv norm = 4.23e+03, max dV(I1.I1.PM0:int_d) = -52.6538 mV, took 2.23 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.5 %), step = 2.153 ps (32.3 m%) pss: time = 4.011 us (7.56 %), step = 6.81 ps (102 m%) pss: time = 4.011 us (12.5 %), step = 2.528 ps (37.9 m%) pss: time = 4.011 us (17.6 %), step = 7.05 ps (106 m%) pss: time = 4.012 us (22.5 %), step = 2.51 ps (37.6 m%) pss: time = 4.012 us (27.5 %), step = 2.478 ps (37.2 m%) pss: time = 4.012 us (32.6 %), step = 6.808 ps (102 m%) pss: time = 4.013 us (37.5 %), step = 2.028 ps (30.4 m%) pss: time = 4.013 us (42.5 %), step = 6.676 ps (100 m%) pss: time = 4.013 us (47.5 %), step = 2.186 ps (32.8 m%) pss: time = 4.014 us (52.5 %), step = 3.57 ps (53.6 m%) pss: time = 4.014 us (57.5 %), step = 5.798 ps (87 m%) pss: time = 4.014 us (62.5 %), step = 1.92 ps (28.8 m%) pss: time = 4.015 us (67.5 %), step = 6.698 ps (100 m%) pss: time = 4.015 us (72.5 %), step = 2.185 ps (32.8 m%) pss: time = 4.015 us (77.5 %), step = 3.472 ps (52.1 m%) pss: time = 4.016 us (82.5 %), step = 5.8 ps (87 m%) pss: time = 4.016 us (87.5 %), step = 2.09 ps (31.3 m%) pss: time = 4.016 us (92.5 %), step = 6.678 ps (100 m%) pss: time = 4.017 us (97.5 %), step = 1.982 ps (29.7 m%) Conv norm = 38.7e+03, max dV(I0.PM13:int_d) = 562.891 mV, took 2.21 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.51 %), step = 2.227 ps (33.4 m%) pss: time = 4.011 us (7.52 %), step = 5.239 ps (78.6 m%) pss: time = 4.011 us (12.5 %), step = 3.662 ps (54.9 m%) pss: time = 4.011 us (17.6 %), step = 5.991 ps (89.9 m%) pss: time = 4.012 us (22.5 %), step = 1.968 ps (29.5 m%) pss: time = 4.012 us (27.5 %), step = 4.037 ps (60.6 m%) pss: time = 4.012 us (32.6 %), step = 5.288 ps (79.3 m%) pss: time = 4.013 us (37.5 %), step = 3.613 ps (54.2 m%) pss: time = 4.013 us (42.6 %), step = 5.995 ps (89.9 m%) pss: time = 4.013 us (47.5 %), step = 1.968 ps (29.5 m%) pss: time = 4.014 us (52.5 %), step = 3.873 ps (58.1 m%) pss: time = 4.014 us (57.5 %), step = 7.029 ps (105 m%) pss: time = 4.014 us (62.5 %), step = 3.683 ps (55.2 m%) pss: time = 4.015 us (67.6 %), step = 5.997 ps (90 m%) pss: time = 4.015 us (72.5 %), step = 2.242 ps (33.6 m%) pss: time = 4.015 us (77.6 %), step = 4.044 ps (60.7 m%) pss: time = 4.016 us (82.5 %), step = 7.097 ps (106 m%) pss: time = 4.016 us (87.5 %), step = 3.613 ps (54.2 m%) pss: time = 4.016 us (92.5 %), step = 4.885 ps (73.3 m%) pss: time = 4.017 us (97.5 %), step = 2.242 ps (33.6 m%) Conv norm = 17e+03, max dV(I1.I1.PM0:int_d) = -244.948 mV, took 2.74 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== Warning from spectre at time = 4.01 us during periodic steady state analysis `pss'. WARNING (CMI-2682): I1.I1.NM0: The bulk-drain junction forward bias voltage (1.70642 V) exceeds `VjdmFwd' = 1.01369 V. The results are now incorrect because the junction current model has been linearized Notice from spectre at time = 4.01 us during periodic steady state analysis `pss'. I1.I1.NM0: The bulk-drain junction returns to normal bias condition pss: time = 4.01 us (2.55 %), step = 3.559 ps (53.4 m%) pss: time = 4.011 us (7.53 %), step = 2.375 ps (35.6 m%) pss: time = 4.011 us (12.5 %), step = 2.299 ps (34.5 m%) pss: time = 4.011 us (17.5 %), step = 2.014 ps (30.2 m%) pss: time = 4.012 us (22.5 %), step = 2.789 ps (41.8 m%) pss: time = 4.012 us (27.6 %), step = 3.854 ps (57.8 m%) pss: time = 4.012 us (32.5 %), step = 2.334 ps (35 m%) pss: time = 4.013 us (37.5 %), step = 1.12 ps (16.8 m%) pss: time = 4.013 us (42.5 %), step = 2.114 ps (31.7 m%) pss: time = 4.013 us (47.5 %), step = 2.563 ps (38.4 m%) pss: time = 4.014 us (52.5 %), step = 3.763 ps (56.4 m%) pss: time = 4.014 us (57.5 %), step = 3.204 ps (48.1 m%) pss: time = 4.014 us (62.5 %), step = 1.82 ps (27.3 m%) pss: time = 4.015 us (67.5 %), step = 2.149 ps (32.2 m%) pss: time = 4.015 us (72.5 %), step = 2.558 ps (38.4 m%) pss: time = 4.015 us (77.6 %), step = 5.042 ps (75.6 m%) pss: time = 4.016 us (82.5 %), step = 1.415 ps (21.2 m%) pss: time = 4.016 us (87.5 %), step = 2.344 ps (35.2 m%) pss: time = 4.016 us (92.5 %), step = 1.532 ps (23 m%) pss: time = 4.017 us (97.5 %), step = 2.894 ps (43.4 m%) Conv norm = 117e+03, max dV(I1.I4.PM4:int_d) = 1.75368 V, took 2.24 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== Warning from spectre at time = 4.01041 us during periodic steady state analysis `pss'. WARNING (SPECTRE-16266): Error requirements were not satisfied because of convergence difficulties. pss: time = 4.01 us (6.14 %), step = 409.6 ps (6.14 %) pss: time = 4.011 us (7.51 %), step = 1.91 ps (28.6 m%) pss: time = 4.011 us (12.5 %), step = 3.173 ps (47.6 m%) pss: time = 4.011 us (17.6 %), step = 6.35 ps (95.3 m%) pss: time = 4.012 us (22.5 %), step = 3.042 ps (45.6 m%) pss: time = 4.012 us (27.6 %), step = 3.881 ps (58.2 m%) pss: time = 4.012 us (32.5 %), step = 3.472 ps (52.1 m%) pss: time = 4.013 us (37.5 %), step = 4.415 ps (66.2 m%) pss: time = 4.013 us (42.5 %), step = 1.668 ps (25 m%) pss: time = 4.013 us (47.5 %), step = 1.125 ps (16.9 m%) pss: time = 4.014 us (52.5 %), step = 3.266 ps (49 m%) pss: time = 4.014 us (57.5 %), step = 2.911 ps (43.7 m%) pss: time = 4.014 us (62.5 %), step = 2.297 ps (34.5 m%) pss: time = 4.015 us (67.6 %), step = 7.216 ps (108 m%) pss: time = 4.015 us (72.5 %), step = 2.724 ps (40.9 m%) pss: time = 4.015 us (77.5 %), step = 3.625 ps (54.4 m%) pss: time = 4.016 us (82.5 %), step = 3.739 ps (56.1 m%) pss: time = 4.016 us (87.5 %), step = 3.526 ps (52.9 m%) pss: time = 4.016 us (92.5 %), step = 3.223 ps (48.3 m%) pss: time = 4.017 us (97.5 %), step = 3.049 ps (45.7 m%) Conv norm = 122e+03, max dV(I1.net5) = 2.20049 V, took 2.3 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== Warning from spectre at time = 4.01 us during periodic steady state analysis `pss'. WARNING (CMI-2682): I1.I2.PM3: The bulk-drain junction forward bias voltage (1.15541 V) exceeds `VjdmFwd' = 990.229 mV. The results are now incorrect because the junction current model has been linearized WARNING (CMI-2682): I1.I2.NM0: The bulk-drain junction forward bias voltage (1.18959 V) exceeds `VjdmFwd' = 1.01369 V. The results are now incorrect because the junction current model has been linearized Notice from spectre at time = 4.01 us during periodic steady state analysis `pss'. I1.I2.NM0: The bulk-drain junction returns to normal bias condition Notice from spectre at time = 4.01 us during periodic steady state analysis `pss'. I1.I2.PM3: The bulk-drain junction returns to normal bias condition pss: time = 4.01 us (2.51 %), step = 1.757 ps (26.4 m%) pss: time = 4.011 us (7.51 %), step = 3.245 ps (48.7 m%) pss: time = 4.011 us (12.5 %), step = 2.479 ps (37.2 m%) pss: time = 4.011 us (17.5 %), step = 3.312 ps (49.7 m%) pss: time = 4.012 us (22.6 %), step = 6.359 ps (95.4 m%) pss: time = 4.012 us (27.5 %), step = 3.207 ps (48.1 m%) pss: time = 4.012 us (32.5 %), step = 3.894 ps (58.4 m%) pss: time = 4.013 us (37.5 %), step = 3.085 ps (46.3 m%) pss: time = 4.013 us (42.5 %), step = 5.967 ps (89.5 m%) pss: time = 4.013 us (47.5 %), step = 1.684 ps (25.3 m%) pss: time = 4.014 us (52.5 %), step = 1.509 ps (22.6 m%) pss: time = 4.014 us (57.5 %), step = 3.805 ps (57.1 m%) pss: time = 4.014 us (62.5 %), step = 3.367 ps (50.5 m%) pss: time = 4.015 us (67.5 %), step = 2.233 ps (33.5 m%) pss: time = 4.015 us (72.5 %), step = 6.76 ps (101 m%) pss: time = 4.015 us (77.5 %), step = 2.273 ps (34.1 m%) pss: time = 4.016 us (82.5 %), step = 2.328 ps (34.9 m%) pss: time = 4.016 us (87.5 %), step = 3.137 ps (47.1 m%) pss: time = 4.016 us (92.5 %), step = 2.302 ps (34.5 m%) pss: time = 4.017 us (97.5 %), step = 1.192 ps (17.9 m%) Conv norm = 124e+03, max dV(I1.I2.NM0:int_d) = 2.59488 V, took 14.91 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== Warning from spectre at time = 4.01 us during periodic steady state analysis `pss'. WARNING (SPECTRE-16266): Error requirements were not satisfied because of convergence difficulties. WARNING (CMI-2682): I1.I1.PM2: The bulk-drain junction forward bias voltage (1.74804 V) exceeds `VjdmFwd' = 990.229 mV. The results are now incorrect because the junction current model has been linearized WARNING (CMI-2682): I0.PM0q: The bulk-drain junction forward bias voltage (1.01261 V) exceeds `VjdmFwd' = 998.239 mV. The results are now incorrect because the junction current model has been linearized WARNING (CMI-2682): I0.NM26: The bulk-drain junction forward bias voltage (1.2178 V) exceeds `VjdmFwd' = 1.02096 V. The results are now incorrect because the junction current model has been linearized Notice from spectre at time = 4.01 us during periodic steady state analysis `pss'. I0.PM0q: The bulk-drain junction returns to normal bias condition Notice from spectre at time = 4.01 us during periodic steady state analysis `pss'. I1.I1.PM2: The bulk-drain junction returns to normal bias condition Further occurrences of this notice will be suppressed. pss: time = 4.01 us (2.5 %), step = 1.935 ps (29 m%) pss: time = 4.011 us (7.5 %), step = 5.196 ps (77.9 m%) pss: time = 4.011 us (12.5 %), step = 1.783 ps (26.7 m%) pss: time = 4.011 us (17.5 %), step = 2.505 ps (37.6 m%) pss: time = 4.012 us (22.6 %), step = 3.961 ps (59.4 m%) pss: time = 4.012 us (27.5 %), step = 3.589 ps (53.8 m%) pss: time = 4.012 us (32.5 %), step = 3.437 ps (51.6 m%) pss: time = 4.013 us (37.6 %), step = 6.823 ps (102 m%) pss: time = 4.013 us (42.5 %), step = 1.971 ps (29.6 m%) pss: time = 4.013 us (47.5 %), step = 3.534 ps (53 m%) pss: time = 4.014 us (52.5 %), step = 3.43 ps (51.4 m%) pss: time = 4.014 us (57.5 %), step = 2.868 ps (43 m%) pss: time = 4.014 us (62.5 %), step = 1.85 ps (27.8 m%) pss: time = 4.015 us (67.5 %), step = 2.885 ps (43.3 m%) pss: time = 4.015 us (72.5 %), step = 2.8 ps (42 m%) pss: time = 4.015 us (77.5 %), step = 3.835 ps (57.5 m%) pss: time = 4.016 us (82.5 %), step = 3.09 ps (46.3 m%) pss: time = 4.016 us (87.6 %), step = 4.474 ps (67.1 m%) pss: time = 4.016 us (92.5 %), step = 6.566 ps (98.5 m%) pss: time = 4.017 us (97.5 %), step = 2.125 ps (31.9 m%) Conv norm = 117e+03, max dV(I1.I1.PM1:int_d) = 1.78071 V, took 2.25 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== Warning from spectre at time = 4.01 us during periodic steady state analysis `pss'. WARNING (CMI-2682): I0.PM13: The bulk-drain junction forward bias voltage (1.03893 V) exceeds `VjdmFwd' = 1.00322 V. The results are now incorrect because the junction current model has been linearized WARNING (CMI-2682): I0.NM4: The bulk-drain junction forward bias voltage (1.0241 V) exceeds `VjdmFwd' = 1.02096 V. The results are now incorrect because the junction current model has been linearized pss: time = 4.01 us (2.52 %), step = 1.759 ps (26.4 m%) pss: time = 4.011 us (7.53 %), step = 2.504 ps (37.6 m%) pss: time = 4.011 us (12.5 %), step = 4.036 ps (60.5 m%) pss: time = 4.011 us (17.5 %), step = 5.446 ps (81.7 m%) pss: time = 4.012 us (22.5 %), step = 3.313 ps (49.7 m%) pss: time = 4.012 us (27.5 %), step = 2.403 ps (36 m%) pss: time = 4.012 us (32.5 %), step = 3.633 ps (54.5 m%) pss: time = 4.013 us (37.6 %), step = 5.382 ps (80.7 m%) pss: time = 4.013 us (42.5 %), step = 3.617 ps (54.3 m%) pss: time = 4.013 us (47.5 %), step = 1.873 ps (28.1 m%) pss: time = 4.014 us (52.5 %), step = 3.168 ps (47.5 m%) pss: time = 4.014 us (57.5 %), step = 3.909 ps (58.6 m%) pss: time = 4.014 us (62.5 %), step = 2.488 ps (37.3 m%) pss: time = 4.015 us (67.5 %), step = 6.572 ps (98.6 m%) pss: time = 4.015 us (72.5 %), step = 1.972 ps (29.6 m%) pss: time = 4.015 us (77.5 %), step = 3.312 ps (49.7 m%) pss: time = 4.016 us (82.5 %), step = 3.453 ps (51.8 m%) pss: time = 4.016 us (87.5 %), step = 4.025 ps (60.4 m%) pss: time = 4.016 us (92.5 %), step = 2.65 ps (39.8 m%) pss: time = 4.017 us (97.5 %), step = 3.125 ps (46.9 m%) Conv norm = 109e+03, max dV(I0.PM7:int_d) = 1.29474 V, took 30.47 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== Warning from spectre at time = 4.01 us during periodic steady state analysis `pss'. WARNING (CMI-2682): I1.I3.NM3: The bulk-drain junction forward bias voltage (2.94839 V) exceeds `VjdmFwd' = 1.01369 V. The results are now incorrect because the junction current model has been linearized Warning from spectre at time = 4.01 us during periodic steady state analysis `pss'. WARNING (CMI-2682): I1.I3.NM1: The bulk-drain junction forward bias voltage (1.0179 V) exceeds `VjdmFwd' = 1.01369 V. The results are now incorrect because the junction current model has been linearized pss: time = 4.01 us (2.5 %), step = 1.905 ps (28.6 m%) pss: time = 4.011 us (7.51 %), step = 3.689 ps (55.3 m%) pss: time = 4.011 us (12.5 %), step = 1.583 ps (23.7 m%) pss: time = 4.011 us (17.5 %), step = 3.697 ps (55.5 m%) pss: time = 4.012 us (22.5 %), step = 2.69 ps (40.3 m%) pss: time = 4.012 us (27.5 %), step = 1.624 ps (24.4 m%) pss: time = 4.012 us (32.5 %), step = 3.434 ps (51.5 m%) pss: time = 4.013 us (37.5 %), step = 2.87 ps (43.1 m%) pss: time = 4.013 us (42.5 %), step = 2.474 ps (37.1 m%) pss: time = 4.013 us (47.6 %), step = 5.536 ps (83 m%) pss: time = 4.014 us (52.5 %), step = 1.384 ps (20.8 m%) pss: time = 4.014 us (57.6 %), step = 4.455 ps (66.8 m%) pss: time = 4.014 us (62.5 %), step = 3.476 ps (52.1 m%) pss: time = 4.015 us (67.5 %), step = 3.579 ps (53.7 m%) pss: time = 4.015 us (72.5 %), step = 3.005 ps (45.1 m%) pss: time = 4.015 us (77.5 %), step = 2.515 ps (37.7 m%) pss: time = 4.016 us (82.5 %), step = 3.843 ps (57.6 m%) pss: time = 4.016 us (87.5 %), step = 2.948 ps (44.2 m%) pss: time = 4.016 us (92.6 %), step = 5.383 ps (80.7 m%) pss: time = 4.017 us (97.5 %), step = 3.28 ps (49.2 m%) Conv norm = 102e+03, max dV(I1.I1.PM3:int_d) = 1.24113 V, took 2.22 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== Warning from spectre at time = 4.01 us during periodic steady state analysis `pss'. WARNING (CMI-2682): I0.NM28: The bulk-drain junction forward bias voltage (1.88424 V) exceeds `VjdmFwd' = 1.02096 V. The results are now incorrect because the junction current model has been linearized pss: time = 4.01 us (2.52 %), step = 1.745 ps (26.2 m%) pss: time = 4.011 us (7.55 %), step = 3.531 ps (53 m%) pss: time = 4.011 us (12.6 %), step = 3.725 ps (55.9 m%) pss: time = 4.011 us (17.5 %), step = 3.377 ps (50.7 m%) pss: time = 4.012 us (22.5 %), step = 7.754 ps (116 m%) pss: time = 4.012 us (27.5 %), step = 2.503 ps (37.5 m%) pss: time = 4.012 us (32.6 %), step = 4.246 ps (63.7 m%) pss: time = 4.013 us (37.5 %), step = 5.786 ps (86.8 m%) pss: time = 4.013 us (42.5 %), step = 3.825 ps (57.4 m%) pss: time = 4.013 us (47.5 %), step = 858.1 fs (12.9 m%) pss: time = 4.014 us (52.5 %), step = 4.366 ps (65.5 m%) pss: time = 4.014 us (57.6 %), step = 5.229 ps (78.4 m%) pss: time = 4.014 us (62.5 %), step = 1.119 ps (16.8 m%) pss: time = 4.015 us (67.5 %), step = 2.183 ps (32.7 m%) pss: time = 4.015 us (72.5 %), step = 3.041 ps (45.6 m%) pss: time = 4.015 us (77.5 %), step = 2.083 ps (31.3 m%) pss: time = 4.016 us (82.5 %), step = 2.669 ps (40 m%) pss: time = 4.016 us (87.5 %), step = 4.616 ps (69.2 m%) pss: time = 4.016 us (92.5 %), step = 3.044 ps (45.7 m%) pss: time = 4.017 us (97.5 %), step = 3.6 ps (54 m%) Conv norm = 113e+03, max dV(I0.PM3:int_d) = 1.37708 V, took 2.22 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.52 %), step = 1.706 ps (25.6 m%) pss: time = 4.011 us (7.54 %), step = 3.578 ps (53.7 m%) pss: time = 4.011 us (12.5 %), step = 7.532 ps (113 m%) pss: time = 4.011 us (17.5 %), step = 2.588 ps (38.8 m%) pss: time = 4.012 us (22.5 %), step = 3.964 ps (59.5 m%) pss: time = 4.012 us (27.6 %), step = 6.078 ps (91.2 m%) pss: time = 4.012 us (32.5 %), step = 2.536 ps (38 m%) pss: time = 4.013 us (37.5 %), step = 1.834 ps (27.5 m%) pss: time = 4.013 us (42.5 %), step = 3.841 ps (57.6 m%) pss: time = 4.013 us (47.5 %), step = 5.805 ps (87.1 m%) pss: time = 4.014 us (52.5 %), step = 873.7 fs (13.1 m%) pss: time = 4.014 us (57.5 %), step = 3.397 ps (51 m%) pss: time = 4.014 us (62.5 %), step = 2.414 ps (36.2 m%) pss: time = 4.015 us (67.5 %), step = 2.935 ps (44 m%) pss: time = 4.015 us (72.6 %), step = 4.832 ps (72.5 m%) pss: time = 4.015 us (77.5 %), step = 3.389 ps (50.8 m%) pss: time = 4.016 us (82.5 %), step = 3.789 ps (56.8 m%) pss: time = 4.016 us (87.5 %), step = 3.734 ps (56 m%) pss: time = 4.016 us (92.5 %), step = 6.725 ps (101 m%) pss: time = 4.017 us (97.5 %), step = 3.46 ps (51.9 m%) Conv norm = 108e+03, max dV(I1.I1.NM5:int_d) = 1.20158 V, took 2.22 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.52 %), step = 1.762 ps (26.4 m%) pss: time = 4.011 us (7.52 %), step = 2.336 ps (35 m%) pss: time = 4.011 us (12.5 %), step = 4.252 ps (63.8 m%) pss: time = 4.011 us (17.6 %), step = 6.349 ps (95.2 m%) pss: time = 4.012 us (22.6 %), step = 4.536 ps (68 m%) pss: time = 4.012 us (27.5 %), step = 1.346 ps (20.2 m%) pss: time = 4.012 us (32.5 %), step = 3.494 ps (52.4 m%) pss: time = 4.013 us (37.5 %), step = 4.134 ps (62 m%) pss: time = 4.013 us (42.5 %), step = 1.798 ps (27 m%) pss: time = 4.013 us (47.5 %), step = 2.474 ps (37.1 m%) pss: time = 4.014 us (52.5 %), step = 3.169 ps (47.5 m%) pss: time = 4.014 us (57.5 %), step = 3.602 ps (54 m%) pss: time = 4.014 us (62.5 %), step = 5.605 ps (84.1 m%) pss: time = 4.015 us (67.5 %), step = 3.758 ps (56.4 m%) pss: time = 4.015 us (72.5 %), step = 3.286 ps (49.3 m%) pss: time = 4.015 us (77.5 %), step = 3.605 ps (54.1 m%) pss: time = 4.016 us (82.5 %), step = 4.308 ps (64.6 m%) pss: time = 4.016 us (87.5 %), step = 2.314 ps (34.7 m%) pss: time = 4.016 us (92.5 %), step = 6.866 ps (103 m%) pss: time = 4.017 us (97.5 %), step = 1.867 ps (28 m%) Conv norm = 109e+03, max dV(I0.PM7:int_d) = 1.21827 V, took 2.27 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.52 %), step = 1.756 ps (26.3 m%) pss: time = 4.011 us (7.55 %), step = 5.566 ps (83.5 m%) pss: time = 4.011 us (12.5 %), step = 2.263 ps (33.9 m%) pss: time = 4.011 us (17.5 %), step = 4.916 ps (73.7 m%) pss: time = 4.012 us (22.5 %), step = 2.046 ps (30.7 m%) pss: time = 4.012 us (27.5 %), step = 3.87 ps (58 m%) pss: time = 4.012 us (32.5 %), step = 3.158 ps (47.4 m%) pss: time = 4.013 us (37.5 %), step = 2.479 ps (37.2 m%) pss: time = 4.013 us (42.5 %), step = 2.529 ps (37.9 m%) pss: time = 4.013 us (47.5 %), step = 1.837 ps (27.6 m%) pss: time = 4.014 us (52.6 %), step = 5.555 ps (83.3 m%) pss: time = 4.014 us (57.5 %), step = 4.029 ps (60.4 m%) pss: time = 4.014 us (62.5 %), step = 2.942 ps (44.1 m%) pss: time = 4.015 us (67.5 %), step = 3.93 ps (59 m%) pss: time = 4.015 us (72.5 %), step = 2.246 ps (33.7 m%) pss: time = 4.015 us (77.5 %), step = 3.355 ps (50.3 m%) pss: time = 4.016 us (82.5 %), step = 4.258 ps (63.9 m%) pss: time = 4.016 us (87.5 %), step = 2.813 ps (42.2 m%) pss: time = 4.016 us (92.5 %), step = 2.456 ps (36.8 m%) pss: time = 4.017 us (97.6 %), step = 6.744 ps (101 m%) Conv norm = 115e+03, max dV(I1.I2.PM0:int_d) = 1.28429 V, took 2.27 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.51 %), step = 1.796 ps (26.9 m%) pss: time = 4.011 us (7.59 %), step = 7.316 ps (110 m%) pss: time = 4.011 us (12.5 %), step = 2.752 ps (41.3 m%) pss: time = 4.011 us (17.5 %), step = 3.632 ps (54.5 m%) pss: time = 4.012 us (22.6 %), step = 5.932 ps (89 m%) pss: time = 4.012 us (27.6 %), step = 4.245 ps (63.7 m%) pss: time = 4.012 us (32.5 %), step = 1.364 ps (20.5 m%) pss: time = 4.013 us (37.5 %), step = 3.23 ps (48.5 m%) pss: time = 4.013 us (42.5 %), step = 3.286 ps (49.3 m%) pss: time = 4.013 us (47.5 %), step = 2.952 ps (44.3 m%) pss: time = 4.014 us (52.5 %), step = 2.165 ps (32.5 m%) pss: time = 4.014 us (57.5 %), step = 1.357 ps (20.4 m%) pss: time = 4.014 us (62.5 %), step = 3.456 ps (51.8 m%) pss: time = 4.015 us (67.6 %), step = 6.84 ps (103 m%) pss: time = 4.015 us (72.5 %), step = 3.605 ps (54.1 m%) pss: time = 4.015 us (77.5 %), step = 3.41 ps (51.2 m%) pss: time = 4.016 us (82.5 %), step = 3.169 ps (47.5 m%) pss: time = 4.016 us (87.5 %), step = 3.453 ps (51.8 m%) pss: time = 4.016 us (92.5 %), step = 2.787 ps (41.8 m%) pss: time = 4.017 us (97.5 %), step = 6.283 ps (94.2 m%) Conv norm = 102e+03, max dV(I1.I1.PM3:int_d) = 1.25785 V, took 2.23 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.52 %), step = 1.761 ps (26.4 m%) pss: time = 4.011 us (7.53 %), step = 4.087 ps (61.3 m%) pss: time = 4.011 us (12.5 %), step = 4.618 ps (69.3 m%) pss: time = 4.011 us (17.5 %), step = 2.049 ps (30.7 m%) pss: time = 4.012 us (22.5 %), step = 6.787 ps (102 m%) pss: time = 4.012 us (27.5 %), step = 2.068 ps (31 m%) pss: time = 4.012 us (32.5 %), step = 2.873 ps (43.1 m%) pss: time = 4.013 us (37.5 %), step = 5.701 ps (85.5 m%) pss: time = 4.013 us (42.5 %), step = 2.781 ps (41.7 m%) pss: time = 4.013 us (47.5 %), step = 1.833 ps (27.5 m%) pss: time = 4.014 us (52.5 %), step = 3.084 ps (46.3 m%) pss: time = 4.014 us (57.5 %), step = 4.142 ps (62.1 m%) pss: time = 4.014 us (62.5 %), step = 1.866 ps (28 m%) pss: time = 4.015 us (67.5 %), step = 4.162 ps (62.4 m%) pss: time = 4.015 us (72.5 %), step = 2.753 ps (41.3 m%) pss: time = 4.015 us (77.5 %), step = 3.64 ps (54.6 m%) pss: time = 4.016 us (82.5 %), step = 6.06 ps (90.9 m%) pss: time = 4.016 us (87.5 %), step = 3.611 ps (54.2 m%) pss: time = 4.016 us (92.5 %), step = 2.195 ps (32.9 m%) pss: time = 4.017 us (97.5 %), step = 3.217 ps (48.3 m%) Conv norm = 92.8e+03, max dV(I0.NM7:int_d) = 1.0941 V, took 2.23 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.52 %), step = 1.722 ps (25.8 m%) pss: time = 4.011 us (7.58 %), step = 5.675 ps (85.1 m%) pss: time = 4.011 us (12.6 %), step = 3.684 ps (55.3 m%) pss: time = 4.011 us (17.5 %), step = 2.129 ps (31.9 m%) pss: time = 4.012 us (22.5 %), step = 3.775 ps (56.6 m%) pss: time = 4.012 us (27.5 %), step = 4.34 ps (65.1 m%) pss: time = 4.012 us (32.5 %), step = 2.933 ps (44 m%) pss: time = 4.013 us (37.6 %), step = 7.356 ps (110 m%) pss: time = 4.013 us (42.5 %), step = 2.19 ps (32.9 m%) pss: time = 4.013 us (47.5 %), step = 3.858 ps (57.9 m%) pss: time = 4.014 us (52.5 %), step = 6.706 ps (101 m%) pss: time = 4.014 us (57.5 %), step = 2.962 ps (44.4 m%) pss: time = 4.014 us (62.5 %), step = 3.99 ps (59.9 m%) pss: time = 4.015 us (67.5 %), step = 2.416 ps (36.2 m%) pss: time = 4.015 us (72.5 %), step = 3.858 ps (57.9 m%) pss: time = 4.015 us (77.5 %), step = 3.323 ps (49.9 m%) pss: time = 4.016 us (82.5 %), step = 2.847 ps (42.7 m%) pss: time = 4.016 us (87.5 %), step = 2.505 ps (37.6 m%) pss: time = 4.016 us (92.5 %), step = 2.512 ps (37.7 m%) pss: time = 4.017 us (97.6 %), step = 4.807 ps (72.1 m%) Conv norm = 69e+03, max dV(I0.PM8:int_d) = 1.05973 V, took 2.76 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.51 %), step = 1.642 ps (24.6 m%) pss: time = 4.011 us (7.54 %), step = 2.991 ps (44.9 m%) pss: time = 4.011 us (12.5 %), step = 3.396 ps (50.9 m%) pss: time = 4.011 us (17.5 %), step = 4.161 ps (62.4 m%) pss: time = 4.012 us (22.5 %), step = 6.014 ps (90.2 m%) pss: time = 4.012 us (27.5 %), step = 3.61 ps (54.2 m%) pss: time = 4.012 us (32.5 %), step = 3.44 ps (51.6 m%) pss: time = 4.013 us (37.5 %), step = 4.039 ps (60.6 m%) pss: time = 4.013 us (42.6 %), step = 3.717 ps (55.8 m%) pss: time = 4.013 us (47.5 %), step = 1.834 ps (27.5 m%) pss: time = 4.014 us (52.5 %), step = 4.097 ps (61.5 m%) pss: time = 4.014 us (57.5 %), step = 2.901 ps (43.5 m%) pss: time = 4.014 us (62.5 %), step = 3.958 ps (59.4 m%) pss: time = 4.015 us (67.6 %), step = 6.013 ps (90.2 m%) pss: time = 4.015 us (72.5 %), step = 2.049 ps (30.7 m%) pss: time = 4.015 us (77.6 %), step = 7.128 ps (107 m%) pss: time = 4.016 us (82.5 %), step = 1.61 ps (24.2 m%) pss: time = 4.016 us (87.5 %), step = 4.16 ps (62.4 m%) pss: time = 4.016 us (92.6 %), step = 6.282 ps (94.2 m%) pss: time = 4.017 us (97.5 %), step = 2.773 ps (41.6 m%) Conv norm = 94.1e+03, max dV(I1.I1.NM0:int_d) = 1.23393 V, took 2.78 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.52 %), step = 1.755 ps (26.3 m%) pss: time = 4.011 us (7.53 %), step = 2.138 ps (32.1 m%) pss: time = 4.011 us (12.5 %), step = 2.117 ps (31.8 m%) pss: time = 4.011 us (17.5 %), step = 3.515 ps (52.7 m%) pss: time = 4.012 us (22.5 %), step = 2.891 ps (43.4 m%) pss: time = 4.012 us (27.5 %), step = 2.41 ps (36.1 m%) pss: time = 4.012 us (32.5 %), step = 3.393 ps (50.9 m%) pss: time = 4.013 us (37.5 %), step = 4.352 ps (65.3 m%) pss: time = 4.013 us (42.5 %), step = 2.242 ps (33.6 m%) pss: time = 4.013 us (47.5 %), step = 2.18 ps (32.7 m%) pss: time = 4.014 us (52.5 %), step = 1.178 ps (17.7 m%) pss: time = 4.014 us (57.5 %), step = 2.925 ps (43.9 m%) pss: time = 4.014 us (62.5 %), step = 5.267 ps (79 m%) pss: time = 4.015 us (67.5 %), step = 2.819 ps (42.3 m%) pss: time = 4.015 us (72.5 %), step = 3.059 ps (45.9 m%) pss: time = 4.015 us (77.5 %), step = 3.109 ps (46.6 m%) pss: time = 4.016 us (82.5 %), step = 3.102 ps (46.5 m%) pss: time = 4.016 us (87.6 %), step = 5.493 ps (82.4 m%) pss: time = 4.016 us (92.5 %), step = 3.701 ps (55.5 m%) pss: time = 4.017 us (97.5 %), step = 2.459 ps (36.9 m%) Conv norm = 81.6e+03, max dV(I0.NM28:int_d) = 1.17014 V, took 2.75 s. ===================================== `pss': time = (4.01 us -> 4.01667 us) ===================================== pss: time = 4.01 us (2.52 %), step = 1.755 ps (26.3 m%) pss: time = 4.011 us (7.53 %), step = 2.929 ps (43.9 m%) pss: time = 4.011 us (12.5 %), step = 3.653 ps (54.8 m%) pss: time = 4.011 us (17.5 %), step = 4.761 ps (71.4 m%) pss: time = 4.012 us (22.5 %), step = 3.83 ps (57.4 m%) pss: time = 4.012 us (27.5 %), step = 2.466 ps (37 m%) pss: time = 4.012 us (32.5 %), step = 6.562 ps (98.4 m%) pss: time = 4.013 us (37.5 %), step = 2.377 ps (35.6 m%) pss: time = 4.013 us (42.5 %), step = 6.498 ps (97.5 m%) pss: time = 4.013 us (47.5 %), step = 1.281 ps (19.2 m%) pss: time = 4.014 us (52.5 %), step = 4.218 ps (63.3 m%) pss: time = 4.014 us (57.6 %), step = 6.371 ps (95.6 m%) pss: time = 4.014 us (62.5 %), step = 3.194 ps (47.9 m%) pss: time = 4.015 us (67.6 %), step = 4.8 ps (72 m%) pss: time = 4.015 us (72.5 %), step = 2.176 ps (32.6 m%) pss: time = 4.015 us (77.5 %), step = 3.765 ps (56.5 m%) pss: time = 4.016 us (82.6 %), step = 5.834 ps (87.5 m%) pss: time = 4.016 us (87.6 %), step = 3.71 ps (55.7 m%) pss: time = 4.016 us (92.5 %), step = 1.357 ps (20.3 m%) pss: time = 4.017 us (97.5 %), step = 3.08 ps (46.2 m%) Conv norm = 84.5e+03, max dV(I1.I4.NM4:int_d) = 1.171 V, took 2.78 s. The number of pss iterations has reached the maximum limit of 20 iterations. Specify a higher iteration limit in the `maxperiods' option. Error found by spectre during periodic steady state analysis `pss'. ERROR (SPCRTRF-15044): pss analysis did not converge. The previous unconverged solution was saved. The following set of suggestions might help you avoid these convergence difficulties. 1. Evaluate and resolve any notice, warning, or error messages. 2. If there are Verilog-A modules in your circuits, ensure that your period is co-periodic with all sources and signals in Verilog-A modules. 3. Providing a larger value for tstab generally improves convergence. While not always necessary, one occasionally needs set tstab to a value equal or greater than the time needed for the circuit to approximately reach steady state. 4. While trapezoidal rule ringing is annoying in transient analysis, in PSS analysis it can cause the shooting iteration to stall before convergence is achieved. This problem can be remedied by changing the method from traponly to trap, gear2, or gear2only. 5. Increase the maximum iterations for shooting methods using the maxperiods parameter. Sometimes the analysis may need more than the default number of iterations to converge. However, there are situations that prevent convergence regardless of how many iterations are taken. In this case, increasing the iteration limit simply results in the simulator taking longer to fail. 6. If the shooting method approaches convergence and then stalls, it might be because the tolerance on the shooting method is too tight. In this case, try loosening steadyratio, which controls how close to steady-state the result must be before it is declared to be converged. 7. Using the maxstep, reltol, lteratio, and errpreset parameters to tighten the normal simulation tolerances can help resolveconvergence problems in PSS. Avoid using errpreset=liberal. Analysis `pss' was terminated prematurely due to an error. Notice from spectre. 561 notices suppressed. Error found by spectre. ERROR (SPCRTRF-15024): The pnoise analysis was skipped because a PSS analysis must be run first. Analysis `pnoiseOut1' was terminated prematurely due to an error. Error found by spectre. ERROR (SPCRTRF-15025): The 'pnoiseOut2' analysis cannot run and was skipped because the PSS analysis 'pss' did not reach a steady state. Consider changing the convergence parameters for PSS analysis `pss'. Analysis `pnoiseOut2' was terminated prematurely due to an error. modelParameter: writing model parameter values to rawfile. element: writing instance parameter values to rawfile. outputParameter: writing output parameter values to rawfile. designParamVals: writing netlist parameters to rawfile. primitives: writing primitives to rawfile. subckts: writing subcircuits to rawfile.