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Area estimate from schematic

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Hello experts, If I have a schematic and have pcells for all the devices used in the schematic, what's the easiest way to get an area estimate ? Thanks! nnxx


Originally posted in cdnusers.org by nnxx

  • I think you can invoke VXL from the schematic and then call Design->Gen From Source. This form has option for Area Calculation based on "PrBoundary" or "bBox" of the layout cell. You can select one of them. Explore it.


    Originally posted in cdnusers.org by rairaj

  • Thanks rairaj. Actually, I was relying on this method so far but was hoping to find a solution that can be scripted for several blocks so I don't have to open VXL for every block that I want to get an estimate for.


    Originally posted in cdnusers.org by nnxx

  • /tools/dfII/samples/VPR has got area estimation function file areaScr.il . You can use that but you will need to modify it. Because, it simply does l*w on the mos device. It does not consider m , finger etc.. It considers contactArea(including active region to be 1.0, you need to comeup with a figure.) Also, if your devices have a deep nwell then it needs to be considered too.


    Originally posted in cdnusers.org by rairaj
  • hi rairaj . i am not getting the script in the global MIT path( /tools/dfII/samples/VPR/ areaScr.il) . can u provide me that please.

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