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[Cadence Virtuoso] matching schematic transistors with interdigitated layout counterparts

calbear2009

Hi,

In Cadence Virtuoso/Composer, I am trying to match multiple transistors devices in my schematic to interdigitated transistors in layout.

However, Virtuoso seems to have a problem mapping many schematic devices to a single cell in layout. How do I do this? This would be crucial for LVS, and I believe the interdigitated fingers for matching transistors is a common practice. Thanks a lot in advance!

Parents

  • Could you please explain how you could have multiple devices in schematic to be bound with only device on layout ?

    If you have interdigitated transistors in the layout I assumed you had multiples device or maybe you have created an extra level of hiearchy.

     In case you have added a level of hierarchy then you need to create this extra level of hierarchy in the schematic as well.

    Anyway I'll check but I think in 5.1.41 you could not map one layout device to multiple schematic devices.

    Thanks,

    Alex

Reply

  • Could you please explain how you could have multiple devices in schematic to be bound with only device on layout ?

    If you have interdigitated transistors in the layout I assumed you had multiples device or maybe you have created an extra level of hiearchy.

     In case you have added a level of hierarchy then you need to create this extra level of hierarchy in the schematic as well.

    Anyway I'll check but I think in 5.1.41 you could not map one layout device to multiple schematic devices.

    Thanks,

    Alex

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