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Cadence Encounter timing modeling commands

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zhipeng

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Hello,

I wonder what commands/methods people use to generate .lib for a design, and use it later for place and route at top level. I am using EDI 9.1, found the timing model commands have very limited documentation in fetxtcmdref.pdf. And I could not get write_model_timing and do_extract_model work well: they have significant discrepancies from the timeDesign reports for the same design.
 

kinchit

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A .lib is mostly generated by some other tool like Liberty NCX from synopsys.
 

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