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How to suppress Spectre simulation for digital design?

Shengkui Gao
I am using Cadence 6.1.2 and NCSU_analog_parts library to do digital design. When I use spectre to simulate my circuit, it costs a long time (40 minutes at least) and a large file generated (more than 15MB). So I'd like to know how to suppress the simulation of Spectre？ Because I think it may do the full calculation for each part of my circuit. And do someone know how to set spectre to do the digital simulation directly? Now I have to generate the analog waveforms for each bits of my output and then use analog2digital function to transmit it to digital waveforms, then bus them... I am really a beginner in using Cadence 6 and Spectre, I used to use cadence 5 and generate to Hspice netlist, then go to use HPSICE or NANOSIM to do the simulation. Now the NCSU libraries does not support HSPICED models using in Cadence 6, I have to use spectre........
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  • Hi Quek 1) I am using Spectre to simulate the schematic blocks which I built using NCSU_analog_parts. So is there anyway to simulate schematic views of digital circuits using Spectre? 2) I found the Turbo/Parasitic Reduction option under the setup tag, but it's gray and cannot be selected. Does this mean I don't have the licenses for this mode? 3) And can you tell me a little about INCISIV package? Or where I can find the instruction of it? I tried to search the Cadence help documents, no result.... Thank you! Shengkui
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  • Hi Quek 1) I am using Spectre to simulate the schematic blocks which I built using NCSU_analog_parts. So is there anyway to simulate schematic views of digital circuits using Spectre? 2) I found the Turbo/Parasitic Reduction option under the setup tag, but it's gray and cannot be selected. Does this mean I don't have the licenses for this mode? 3) And can you tell me a little about INCISIV package? Or where I can find the instruction of it? I tried to search the Cadence help documents, no result.... Thank you! Shengkui
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