Schematic Pcell to create a new version from another schematic

A better way to do this would be to simply use pPar() expressions for the instance parameters that you want to vary, and then expose those through CDF parameters for the cell.  This would avoid the need to use pcells and/or any SKILL coding.

Thanks Aaron.  I thought about the pPar method, but one of the reasons for the pcell approach is there might be actual changes done to the  initial schematic based on parameters.   The topology of the cell might change slightly so the ppar approach wont be enough.

Hi,

if you need to change the connectivity/topology of the schematic then you either need to (re)create the entire schematic as a PCell, or you might use code to alter an existing schematic to make a variant (if you will not have too many variants, or don't need to do this too often).  You can get help in writing the PCell code for the schematic by using the 'dbWriteSkill()' function to dump out an existing schematic as code, however this will not be efficient for the actual PCell code, you would re-write the code to parameterize it and improve it (e.g. grouping like statements for creating instances and objects).

There is also the PCell Designer tool (additionally licensed from Cadence) - you would need to reach out to Cadence for more details.

Best regards,

Lawrence.