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symbol PCELL extraction issue.

fishbulb15
I have created a symbol, schematic and layout pcell. Everything seemed to be working correctly until I wanted to start LVS-ing the the pcell. I first ran into an issue where it required that my schematic be extracted since last edit. So I followed the instructions here: ___Schematic PCell: Schematic cellviews modified since last extracted___ support.cadence.com/.../ ------->Which seemed to solve that issue. But now I am getting "ERROR: Netlister: symbol of instance modified, please re-extract cell ''." Is there something like : dbCreateProp(pcCellView "schGeometryLastRecorded" "time" getCurrentTime() ) dbCreateProp(pcCellView "lastSchematicExtraction" "time" getCurrentTime() ) to add to the symbol pcell?? How can I get this to work.. Thank you, Mitchell Cohen
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  • fishbulb15
    Andrew, After writing it I noticed that all my formatting left for some reason... I am using IC5141. So, trying your suggestion of the new command did not help unfortunately. Let me try to describe the problem in a bit more detail. I have created three PCells one for a symbol view,a schematic view and a layout view. I have an instance of this PCell (instance call "data") instantiated in a containing schematic,lets call it "ROM". When I go to netlist the ROM schematic to the ROM layout using Calibre LVS (not for simulation) it errors out with the error: "Netlister: symbol of instance 'data' modified, please re-extract cell 'ROM'. Previous to this problem (which could be solved with your solution above and with the solution that I used before) I saw that the schematic of the PCell was not being seen as extracted, now that is not the problem any more. Your suggestion led me to probe a bit further and I determined that all three instance views returns true for dbIsConnCurrent(). Could there be something else I am missing? If you need more information, please let me know! Thank you!
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  • fishbulb15
    Andrew, After writing it I noticed that all my formatting left for some reason... I am using IC5141. So, trying your suggestion of the new command did not help unfortunately. Let me try to describe the problem in a bit more detail. I have created three PCells one for a symbol view,a schematic view and a layout view. I have an instance of this PCell (instance call "data") instantiated in a containing schematic,lets call it "ROM". When I go to netlist the ROM schematic to the ROM layout using Calibre LVS (not for simulation) it errors out with the error: "Netlister: symbol of instance 'data' modified, please re-extract cell 'ROM'. Previous to this problem (which could be solved with your solution above and with the solution that I used before) I saw that the schematic of the PCell was not being seen as extracted, now that is not the problem any more. Your suggestion led me to probe a bit further and I determined that all three instance views returns true for dbIsConnCurrent(). Could there be something else I am missing? If you need more information, please let me know! Thank you!
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