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 verifyGeometry violations, Encounter 11 

Last post Thu, Sep 19 2013 11:57 AM by Kari. 2 replies.
Started by weebey 08 Jul 2013 11:32 AM. Topic has 2 replies and 497 views
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  • Mon, Jul 8 2013 11:32 AM

    • weebey
    • Not Ranked
    • Joined on Tue, Aug 14 2012
    • Posts 13
    • Points 140
    verifyGeometry violations, Encounter 11 Reply

    I'm having a strange issue with verifyGeometry in Encounter 11. After routing my design, my tcl script runs 'verifyGeometry' before saving the design (.enc) . 'verifyGeometry' reports that there are multiple violations of various types. However, if I reopen Encounter and load the design (.enc) and rerun 'verifyGeometry', there are no violations detected.

    After I save the design (through OA) into one of my Virtuoso libraries, I run Calibre DRC and LVS. The only DRC errors reported are density related. LVS passes.

    Does anyone have any idea why verifyGeometry is reporting these violations before closing restarting Encounter? 

    • Post Points: 5
  • Mon, Jul 15 2013 9:28 AM

    • weebey
    • Not Ranked
    • Joined on Tue, Aug 14 2012
    • Posts 13
    • Points 140
    Re: verifyGeometry violations, Encounter 11 Reply
    I noticed that all of the errors involve a "Cell null" or "Pin of Cell null". Does anyone know what this "Cell null" is?
    • Post Points: 20
  • Thu, Sep 19 2013 11:57 AM

    • Kari
    • Top 10 Contributor
    • Joined on Tue, Jul 15 2008
    • Cary, NC
    • Posts 693
    • Points 14,275
    Re: verifyGeometry violations, Encounter 11 Reply
    sounds like there might have been an empty module that got cleaned up with the save/reload. hard to tell though.
    • Post Points: 5
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Started by weebey at 08 Jul 2013 11:32 AM. Topic has 2 replies.