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Extend schematic Check&Save for checking instance CDF parameter

HoWei

I our PDK models we do have the option to select between different values for the CDF parameter "DFM_options": "minRule", "DFM", "DFM+Analog", "custom" .

By default it is set to "minRule" but we want to have "DFM" for all instances that have this CDF parameter.

How can the schematic Check&Save function be extended to check for the "DFM" to be set for all the instances which do have the "DFM_options" parameter ?

Can you provide a code template ?

  • Andrew Beckett

    You'd probably extend the code I just provided in your other post to iterate over all the instances, and for instances of the right cell, check to see if they meet the criteria you describe above (hopefully you know how to do that bit?). Something like:

    foreach(inst cv~>instances
      cdf=cdfGetInstCDF(inst)
      DFM_options=cdfFindParamByName(cdf "DFM_options")
      when(DFM_options && DFM_options->value!="DFM"
        schReportCheckFailure(...)
      )
    )

    Regards,

    Andrew.

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