on set clock latency

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erik_xfan

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set clock latency in DC

Assume that we have a top-level design TOP, which consists of two subdesigns A and B. A clock signal CLK is defined in TOP. Can we specify the clock propagation delays, from CLK to the flipflops in A and B, respectively, which are different from each other?

Solutions on RTL or netlist are both OK!

Thanks a lot!
 
Last edited:

during the synthesis, the clock is considered as "ideal", no clock tree available so only the margin added by clock uncertainty is used by the tool.
 

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