Tying objects in layout

Discussion in 'Cadence' started by Miettivainen, Feb 25, 2004.

  1. Miettivainen

    Miettivainen Guest

    Hello all,

    I have the following problem in Virtuoso layout:

    I have an object in layout, a pcell of a transistor for example. I
    will call this the "master object". I would like to attach an another
    object to it (lets call it "slave") so that it would follow changes
    made to the master object.

    The slave object should be updated when any of the following changes
    are made to the master object:
    1) Move
    2) Rotate
    3) Parameter change (e.g changing the width of a transistor)

    The first case is easy to implement with rodAlign, but the second and
    third cases are the problem.
    What I basically would like to have is a callback that would be
    invoked every time there are changes in the cell.

    So in your opinion is this kind of behaviour possible to implement?

    Best regards
    TM
     
    Miettivainen, Feb 25, 2004
    #1
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