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  3. CAPTAB DETAILS

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CAPTAB DETAILS

auto dipper
auto dipper over 11 years ago

 

hi

anyone can please let me know meaning of FIXED & VARIABLE in captab analysis under tranient analysis of ADE - cadence IC610?

 

REGARDS

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  • ShawnLogan
    ShawnLogan over 11 years ago

     Dear auto dipper,

     

    > If we have multiple inputs like in case of CMOS based Nand gate or even bigger circuit then how

    > can one calculate the worst case propagation delay?  

     

     I think your question is not a Cadence specific question and is better handled by either you doing the research or thinking or perhaps, if you can not figure it out, posted in a design forum. You will learn the concepts better that way.  I will let Andrew decide if my thought is not proper, but it appears to me to be a circuit analysis question as opposed to a question related to the use of Cadence tools. Cadence provides the cross() function that can be used to compute propagation delays.

     

    Shawn

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  • ShawnLogan
    ShawnLogan over 11 years ago

     Dear auto dipper,

     

    > If we have multiple inputs like in case of CMOS based Nand gate or even bigger circuit then how

    > can one calculate the worst case propagation delay?  

     

     I think your question is not a Cadence specific question and is better handled by either you doing the research or thinking or perhaps, if you can not figure it out, posted in a design forum. You will learn the concepts better that way.  I will let Andrew decide if my thought is not proper, but it appears to me to be a circuit analysis question as opposed to a question related to the use of Cadence tools. Cadence provides the cross() function that can be used to compute propagation delays.

     

    Shawn

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