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https://designers-guide.org/forum/YaBB.pl Other CAD Tools >> Entry Tools >> generating schematics from (cdl/verilog/etc?) https://designers-guide.org/forum/YaBB.pl?num=1209911610 Message started by analog2000 on May 4th, 2008, 7:33am |
Title: generating schematics from (cdl/verilog/etc?) Post by analog2000 on May 4th, 2008, 7:33am Hi I have this pdk from tsmc for pad cells. They have only provided cdl netlist, verilog netlist, etc but NO schematics. Would anyone like to share a procedure to generate transistor level schematics that can be simulated in spectre ? thanks analog2000 |
Title: Re: generating schematics from (cdl/verilog/etc?) Post by ywguo on May 8th, 2008, 4:54am Hi, The below is the an example. Open icfb, Click Import -> CDL… in CIW. Fill in CDL netlist File: Output Library: Top Cell: Reference Library List: Device-Map File: The Reference Library contains tsmc18rf and analogLib, where tsmc18rf is the PDK library provided by TSMC. The analogLib is put in the reference library list because a resistor symbol is required while the symbol in tsmc18rf does not generate the dimension and value correctly. The Device-Map File is titled map.in here and shown below. devMap := nfet nmos3v propMatch :=subtype ND devMap := nfet nmos2v propMatch := sybType N devMap := pfet pmos3v propMatch := subType PD devMap := pfet pmos2v propMatch := subType P devMap := diode dioden3v propMatch := subType DB devMap := resistor res propMatch := subType rp devMap := resistor rnplus propMatch := subType rnodrpo_m Edit the netlist, append the following in each card for resistor. $[rp] W=1U L=1U M=1 Add the following lines if there are resistor, capacitor, diode, or triode. PARAM *.BIPOLAR *.RESVAL *.CAPVAL *.DIOAREA *.SCALE METER Comment the line below, .GLOBAL VSSPST VDD VSS VD33 POC otherwise pins VSSPST VDD VSS are not generated in the schematic. I don’t know the reason why it does not inhibit VD33 and POC in the generated schematic. BTW, Global Node Expansion is chosen as Full in Virtuoso® CDL In window. What does it mean? Good luck! Yawei |
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