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input for generating SDF

What is the input file for generating SDF?In encounter there is a command writesdf.Is SDF calculated based on extracted RC.I mean SPEF file. Please somebody tell me the exact operation running in tool background when i execute writesdf.

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gops over 16 years ago

Hi Bob;

Thanks for the reply.

I have read that SDF is calculated from SPEF file.

So while we go for write_sdf , will the tool extract parasitics and create SPEF file ?
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gops over 16 years ago

Hi Bob;

Thanks for the reply.

I have read that SDF is calculated from SPEF file.

So while we go for write_sdf , will the tool extract parasitics and create SPEF file ?
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