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generating SDF

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Hai , Please clarify me the following : To genrate sdf, can we ganerate it for more than one corner(max,min,typical) at a time.If so,kindly tell me how to do it. Thanks & Regards, K.VISWANADH BABU


Originally posted in cdnusers.org by viswanadhbabu
Parents

  • Hi,

    I am not sure this to be possible. Normally only one corner is used at a time by encounter. The only moment when there are two corners is when you fix the hold,
    where encounter need the worst corner to fix the hold without breaking the setup.
    For sample you can try the following:

    setAnalysisMode -setup
    extractRC -force
    delayCal -mergeSetupHold -sdf delayCal.setup.sdf
    setAnalysisMode -hold
    extractRC -force
    delayCal -mergeSetupHold -sdf delayCal.hold.sdf

    The two files are different, and you need a special tool to merge them.

    Did you submit this problem to cadence support ?


    Regards ...


    Originally posted in cdnusers.org by Black Lutin
Reply

  • Hi,

    I am not sure this to be possible. Normally only one corner is used at a time by encounter. The only moment when there are two corners is when you fix the hold,
    where encounter need the worst corner to fix the hold without breaking the setup.
    For sample you can try the following:

    setAnalysisMode -setup
    extractRC -force
    delayCal -mergeSetupHold -sdf delayCal.setup.sdf
    setAnalysisMode -hold
    extractRC -force
    delayCal -mergeSetupHold -sdf delayCal.hold.sdf

    The two files are different, and you need a special tool to merge them.

    Did you submit this problem to cadence support ?


    Regards ...


    Originally posted in cdnusers.org by Black Lutin
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