Spectre Convergence problem (Dynamic Comparator)

Discussion in 'Cadence' started by katyal, Feb 9, 2006.

  1. katyal

    katyal Guest

    Hey

    I am trying to simulate Dynamic Comparator in Spectre but facing
    problems with convergence. Right now I am simulating schematic level
    and its completely balanced. For certain input reference with fixed
    input (which is close to the ref. level), the output decision changes
    from one clock pd. to another (not always in consecutive pds.). I tried
    playing around with the tolerance limits but that is not helping me.
    Can anyone suggest something?

    katyal
    consecutive
     
    katyal, Feb 9, 2006
    #1
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