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check the instance symbol change in schematic

lzyc

Andrew (or anybody),

If an instance symbol is modified after the schematic last modification, cadence will give you warning in CIW when you open the schematic. I want to write a skill code to check the schematic for the same purpose?  Initially I thougt cadence only compare the timeStamp of the schematic and the instance symbol. But I found cadence does more than that. They can capture the symbol change even if I rollback to a old sybmol version (with earlier timestamp). Can you tell me how Cadence capture the instance symbol change when you open the schematic?

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  • theopaone

     I don't have access to Virtuoso right now so I can't track down where the data would be found. I don't think you can eliminate that error as once the error has been marked, it must be cleared by the tool and is not "fixable" by the user.

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  • theopaone

     I don't have access to Virtuoso right now so I can't track down where the data would be found. I don't think you can eliminate that error as once the error has been marked, it must be cleared by the tool and is not "fixable" by the user.

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