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Creating all pin symbol containing inherited power\ground connections

saikatc

Hi,

I am working on Virtuoso, version IC6.1.7-64b.500.4. I am using inherited connections in the schematic. AFter parasitic extraction, I observe that the inherited connections are missing in the netlist. I know that it is not recommended to use inherited netlist. Still, is it possible to have a work around so that with the inherited connections we can have a symbol with all the power\ground pins?

thanks in advance.

Saikat Chatterjee

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  • saikatc

    Dear Andrew,

    I used Quantus QRC extraction tool as well. The problem was same.

    I found the following solution suggested by you.

    https://groups.google.com/forum/#!msg/comp.cad.cadence/j9JmVQv2TQY/19ROP1v-Y88J

    I tried following the same. However, there are some differences in the options as I am using a different version of the tool. But I am not successful with this.

    My final goal is to have a symbol where I will have all the inherited connections as pins, even if the inherited connections are used in the schematic. I have given the following example which I would like to achieve.

    Regards

    Saikat

Reply
  • saikatc

    Dear Andrew,

    I used Quantus QRC extraction tool as well. The problem was same.

    I found the following solution suggested by you.

    https://groups.google.com/forum/#!msg/comp.cad.cadence/j9JmVQv2TQY/19ROP1v-Y88J

    I tried following the same. However, there are some differences in the options as I am using a different version of the tool. But I am not successful with this.

    My final goal is to have a symbol where I will have all the inherited connections as pins, even if the inherited connections are used in the schematic. I have given the following example which I would like to achieve.

    Regards

    Saikat

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