Failed to create netlist when simulating extracted view

Hi wgtkan

You can do it as follows:
a. Create a text file named ".simrc" in the current working directory

b. Add the following line in it:
simCheckTermMismatchAction="ignore"

Before you use it, you might want to check on why the extracted view does not contain vbias, vdd, vneg, etc terminals. It might be a real issue which should not be ignored.


Best regards
Quek

Hello Quek,

Thanks for your response. I still get the following error:
Error found by spectre during circuit read-in.
ERROR (SFE-23): "input.scs" 2753: The instance `I7' is referencing an undefined model or subcircuit, `nmos_two'. Either include the file containing the definition of `nmos_two', or define `nmos_two' before running the simulation.

When I click on I7 I see the following:

// Library name: whole_chip
// Cell name: tb_nmos_two
// View name: schematic
I7 (net11 vdd vo_neg net03 vpos vss) nmos_two
CL (vo_neg 0) capacitor c=2.5p
Ibia (vdd net11) isource dc=20u type=dc
Vss (0 vss) vsource dc=1.8 type=dc
Vdd (vdd 0) vsource dc=1.8 type=dc
I1 (net03 vo_neg) iprobe
Vin (vpos 0) vsource dc=Vcm type=dc
simulatorOptions options psfversion="1.1.0" reltol=1e-3 vabstol=1e-6 \
iabstol=1e-12 temp=27 tnom=27 scalem=1.0 scale=1.0 gmin=1e-12 rforce=1 \
maxnotes=5 maxwarns=5 digits=5 cols=80 pivrel=1e-3 \
sensfile="../psf/sens.output" checklimitdest=psf
stb stb start=10 stop=1G probe=I1 localgnd=0 annotate=status
modelParameter info what=models where=rawfile
element info what=inst where=rawfile
outputParameter info what=output where=rawfile
designParamVals info what=parameters where=rawfile
primitives info what=primitives where=rawfile
subckts info what=subckts where=rawfile
saveOptions options save=all pwr=all currents=all

The models are already defined and I am not sure what it is asking.

Thanks a lot.

My guess is that something is totally wrong with the calibre view. It sounds as if it doesn't have any pins at all - and the symbol has 6 pins, all of which were connected on instance I7. Without setting the variable, it's quite rightly complaining about the pin mismatch, and with setting the variable it ignores the error, but probably because there were no pins (and maybe no content?) the calibre view didn't get netlisted, so you have no subckt appearing for nmos_two. Because of that, the poor simulator can't find any reference to the definition of nmos_two.

So all the variable is doing is masking the real problem - the calibre view is not correct. We can't help much with that as Calibre is a Mentor product and we don't know how you've generated it - but it seems to be incorrect.

Andrew

Hello Andrew,

Thanks for guiding me in the right direction. 

The issue was the Calibre is case sensitive and I have to put the following lines in my rule files:

SOURCE CASE YES
LAYOUT CASE YES

What do you recommend as a physical verification tool besides Assura?

Thanks a lot.

wgtkan said:

What do you recommend as a physical verification tool besides Assura?

PVS or Pegasus (depending on the process node).

Andrew.