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Virtuoso Layout XL Suite - Generating all from source

wgtkan

Hello,

When creating a multi-fingered transistor schematic, in the Edit Instance Properties  window, there is an option for connecting S/D/G terminals. By checking that option, the corresponding layout creating via Layout Suite XL connective > generate all from source, indeed generate the multi-fingered transistor by connecting the sources and gates as instructed but it connects it in the wrong direction.

Has anyone used this option before and is there any way to change the direction? In this picture it should connected the top sources and the bottom gates.

Thanks

Version: Cadence Virtuoso  C6.1.8-64b.500.1

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  • Andrew Beckett

    This is something determined by the design kit you're using. You didn't mention what that was, but it's more of a question for the foundry that provided the PDK - it's not a function of Virtuoso that controls this.

    Kind Regards,

    Andrew.

  • wgtkan
    in reply to Andrew Beckett

    Hello Andrew,

    It is GF (Global Foundaries 8HP PDK) and I looked in there training, model files, as well as design rule and nothing, is described there. 

  • Andrew Beckett
    in reply to wgtkan

    OK, but I don't think anyone could really answer it here without potentially violating an NDA. So you should contact GF (they must have a support channel).

    Regards,

    Andrew.

Reply
  • Andrew Beckett
    in reply to wgtkan

    OK, but I don't think anyone could really answer it here without potentially violating an NDA. So you should contact GF (they must have a support channel).

    Regards,

    Andrew.

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