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Liberate: Characterize standard cell with feedback path (no FF, no Latch)

marten

Hi there,

I am trying to perform characterization with Liberate on a standard with sequential behavior:



The tool doesn't seem to recognize the feedback paths (Z1, Z2) inside the cell and thus I only get a .lib file containing input and output delays without regarding the previous state.

Does anybody have some hints how to characterize this cell with liberate?

Cheers,
Marten

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