In a standard techfile provided by Cadence (as an example in cadence_inst/tools.lnx86/dfII/samples/ROD/rodPcells), i can sucessfully creat the mos devices as the pcells. But for some reasons, i need to add another speical layer (its shaper and position should be the same as either nwell in nmos or pwell in pmos) in my mos devices, my question
is how to modify this previous techfile (either mos.device or mos.il) to produce a new Pcell ?
Thanks in advance
The file you are talking about "mos.device" or "mos.il" are not techfiles these is the PCellSKILL code. As I don’t know your code I assume one contains the PCell drawing routine and the other one does the compilation into the library with "pcDefinePCell".For that reason the question is not quite clear.- If you just want to add a shape with an existing layer to your PCell you can do the this with either dbCreate* or rodCreate* SKILL functions in the PCell SKILL code.- If you really need a new layer in the Virtuoso techfile you have to modify your current techfile or a new techfile. CIW -> Tools -> Techfile Manager ...