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 Do we remove scan chain before placement and reconnected after routing ? 

Last post Mon, Jan 16 2012 10:38 AM by Kari. 1 replies.
Started by Ashok Nellore 09 Aug 2011 10:53 PM. Topic has 1 replies and 2060 views
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  • Tue, Aug 9 2011 10:53 PM

    • Ashok Nellore
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    • Joined on Sun, Jul 17 2011
    • Bangalore, Karnataka
    • Posts 11
    • Points 220
    Do we remove scan chain before placement and reconnected after routing ? Reply

     Do we remove scan chain before placement and reconnected after routing ?

    • Post Points: 20
  • Mon, Jan 16 2012 10:38 AM

    • Kari
    • Top 10 Contributor
    • Joined on Tue, Jul 15 2008
    • Cary, NC
    • Posts 693
    • Points 14,155
    Re: Do we remove scan chain before placement and reconnected after routing ? Reply

     It depends. In the past we always reordered the scan chains after placement. But lately, we haven't, because it can lead to hold violations. It may depend on your design and what speed you run scan at. The scan chain isn't really "removed", just reordered.

    • Post Points: 5
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Started by Ashok Nellore at 09 Aug 2011 10:53 PM. Topic has 1 replies.