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 rc extraction in encounter 

Last post Thu, Dec 19 2013 10:13 PM by ajay01. 1 replies.
Started by berbagci 14 May 2013 07:30 AM. Topic has 1 replies and 5192 views
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  • Tue, May 14 2013 7:30 AM

    • berbagci
    • Not Ranked
    • Joined on Sat, May 11 2013
    • Posts 1
    • Points 20
    rc extraction in encounter Reply

    Hi,

     I'm using encounter for a tape-out. I want to use QRC for higher accuracy. However, I think I need to tell the tool where the executable for QRC is. How do I do that? Modifying PATH variable didn't help. Is there a command to do that?

    In addition, I know for static timing analysis, coupling capacitances are not extracted seperately with setExtractRCMode -coupled false command. However, when I do timeDesign with -si option, I see some negative slack. Since the block I'm working on is a timing critical one, I need to make sure timing is accurate. You think I should take signal integrity into account for timing analysis and optimization?

    Thanks!

      

    • Post Points: 20
  • Thu, Dec 19 2013 10:13 PM

    • ajay01
    • Top 500 Contributor
    • Joined on Tue, Feb 12 2013
    • ahemdabad, Gujarat
    • Posts 32
    • Points 415
    Re: rc extraction in encounter Reply

     below command helpful at optimization step:

    setExtractRCMode -engine postRoute

     setExtractRCMode -effortLevalmedium

    setDelayCalMode -engine aae -considerMillerEffect true -ignorNetLoad false..

    check and update

    Thanks,

    Ajay

    • Post Points: 5
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Started by berbagci at 14 May 2013 07:30 AM. Topic has 1 replies.