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 Basics of Statis Timing Analysis 

Last post Fri, Nov 21 2008 9:31 PM by skillUser. 1 replies.
Started by Sirrius 21 Nov 2008 08:14 PM. Topic has 1 replies and 1527 views
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  • Fri, Nov 21 2008 8:14 PM

    • Sirrius
    • Top 500 Contributor
    • Joined on Wed, Aug 13 2008
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    Basics of Statis Timing Analysis Reply


     Okay, since I am not getting answer to my previous question on unconnected cells, I am going to generalise the problem to see if I can get help :)

    How does the STA tool with Encounter calculate delays? Say, if I am using standard cells, and the delays of one such cell (say, INVX1) have been published (like here: http://avatar.ecen.okstate.edu/projects/scells/ami05/indexframe.html, refer "INVX1"), does the timing engine just read this "table", and calculate the delays? 

    If this is the case, then, I would believe that Static Timing Analysis will not be able to tell me if any neighboring cells, from an independent circuit (coupling caps) will have an impact. I am using the OSU Standard Library Cells.

     Can someone tell me, in layman terms, how does the software go about estimating delays?


    Thanks and Regards


    Devendra Rai

    • Post Points: 20
  • Fri, Nov 21 2008 9:31 PM

    • skillUser
    • Top 10 Contributor
    • Joined on Fri, Sep 19 2008
    • Austin, TX
    • Posts 2,598
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    Re: Basics of Statis Timing Analysis Reply

    I think that you are unlikely to get an answer on Encounter and Static Timing Analysis from a Custom IC Design forum.  Unless I am completely mistaken these are a Digital tool and a digital analysis.  Try posting the question to a more appropriate forum, perhaps Digital Implementation or maybe even Logic Design



    • Post Points: 5
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Started by Sirrius at 21 Nov 2008 08:14 PM. Topic has 1 replies.