Can someone help me identify the nmos and pmos model model p

Question

Can someone help me identify the nmos and pmos model model pxxx pmos locations in skywater130 pdk I m trying to run simple transient simulation of an inverter with sky130 models using Xyce I m either pointing to wrong location of models or trying to pick wrong model names or it could be something else Apologies as I m new to opensource tools

Tim Edwards · Answer

You seem to be using `sky130 lib spice` directly from the google skywater pdk repository Models in the repository are not Xyce compatible and there are many errors You will need to use the open pdks installer to make sure the models and files are correct and Xyce compatible You are also specifying e g `W=3U` in your circuit The SkyWater models have an embedded scale factor so that you have to give lengths and widths in micron units So the correct form would be `W=3`

Tim Edwards · Answer

Also all devices in the Sky130 process are modeled as subcircuits so the device should be called with `X` not `M` And your model name is wrong as there is no such model subcircuit as `pfet 01v8` the name is `sky130 fd pr pfet 01v8`

Haider · Answer

Thanks a lot This worked