_dbfCreateStrongGroup

Discussion in 'Cadence' started by Erik Wanta, Aug 14, 2003.

  1. Erik Wanta

    Erik Wanta Guest

    Any ideas on the following?

    \w *WARNING* Pcell evaluation for layout has the following error(s):
    \w *WARNING* ("_dbfCreateStrongGroup" 0 t nil ("*Error*
    _dbfCreateStrongGroup: Invalid pin" nil))
    \w *WARNING* Error kept in "errorDesc" property of the label
    "pcellEvalFailed" on layer/purpose "marker/error" in the submaster.
    \w
    \o Loading awv.cxt
    \w *WARNING* Pcell evaluation for layout has the following error(s):
    \w *WARNING* ("_dbfCreateStrongGroup" 1 t nil ("*Error*
    _dbfCreateStrongGroup: Invalid pin" nil))
    \w *WARNING* Error kept in "errorDesc" property of the label
    "pcellEvalFailed" on layer/purpose "marker/error" in the submaster.
    \w
    \w *WARNING* Pcell evaluation for layout has the following error(s):
    \w *WARNING* ("_dbfCreateStrongGroup" 2 t nil ("*Error*
    _dbfCreateStrongGroup: Invalid pin" nil))
    \w *WARNING* Error kept in "errorDesc" property of the label
    "pcellEvalFailed" on layer/purpose "marker/error" in the submaster.
     
    Erik Wanta, Aug 14, 2003
    #1
  2. Erik Wanta

    Ted Paone Guest

    Abutment requirements include the re-creation of the pins which
    triggered abutment. The pin has to be part of the same terminal and
    have the same name (pin name) as before the abutment is triggered. It
    cannot be deleted from the pcell. This means that you cannot use
    "disappearing" metal on a mos device as your abutment pin, rather it
    should be the diffusion pin which remains after abutment. Note that
    the pin may have to shrink or overlap the other pin during abutment,
    but it must exist and have the same pin name. To ensure the latter,
    assign a pin name to the pin after it is created in your pcell drawing
    routine.

    rodId~>fig~>pin~>name = "rightDiff"

    The actual error you are getting is from one of the connectivity
    commands which assign the must connect/weak connect pins on the cells.
    Like Bernd said, I suspect that you are assigning the pin before it
    gets created.
    Ted
     
    Ted Paone, Aug 18, 2003
    #2
  3. Erik Wanta

    Erik Wanta Guest

    I had an invalid pin that caused dbCreateStrongGroup to fail. Thank
    you for your detailed response!
     
    Erik Wanta, Aug 19, 2003
    #3
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