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HOLD FIX FLOW IN ENCOUNTER

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Can anyone please explain the hold fix flow to be followed in encounter. I am trying to put a dontuse on many buffer cells but they are still being used when I use the FIXHOLD and optDesign -hold command.
Also it would help if yusers could commnent  on how good is encounter in fixing Hold. What are the techniwues used by encounter to fix hold. Does it use only delay insetion in the datapath or does much more to optimize hold violations


Originally posted in cdnusers.org by mvvijay78
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  • if the hold violations are at the Si pin of the flop, you mgiht want to re-order the scan chan using
    scanReorder -clkAware after CTS.  It will help to reduce # of hold violation to the si pin if your design has a lot of gated clock trees.

    li siang


    Originally posted in cdnusers.org by lisiang
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  • if the hold violations are at the Si pin of the flop, you mgiht want to re-order the scan chan using
    scanReorder -clkAware after CTS.  It will help to reduce # of hold violation to the si pin if your design has a lot of gated clock trees.

    li siang


    Originally posted in cdnusers.org by lisiang
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