Geoffrey_Coram
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How do you change the model? Certainly, the V-A model can't read your mind. :) How do the other devices "find out" what model you're using?
In many foundry libraries, you include the library with a statement like this in your netlist:
.LIB '/path/to/file' TT
where TT is for the nominal/typical model, and you use SS or FF for slow and fast. The way the library file is constructed, there are global parameters that are set differently for TT,SS,FF, and the .model cards use these global parameters.
There is no Verilog-A construct for asking which LIBrary or corner (TT/SS/FF) you are using.
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