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difference between capacitors of libraries

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Hi everybody.

There is a difference between the Cell Capacitor, the cell mimcap  of Cmosp18 library and Cell cap of AnalogLib ?

There is a condition to use one rather than another??


Originally posted in cdnusers.org by isazul

  • The "cap" in analogLib is a generic capacitor - usually ideal (depending on the parameters yuu provide) - a direct interface to spectre's built-in capacitor.

    The capacitors in Cmosp18 are presumably models of real capacitors for whatever process you're using. These will most likely model non-idealities of the process, and probably have a layout representation too (analogLib can't have physical representations because it is not technology dependent).

    Andrew.


    Originally posted in cdnusers.org by adbeckett

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