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Query:

Alisha

Hi ,

I am working on a low voltage low power circuit and I have given an input voltage -Vin+Vtn to one of the NMOS transistors to realize desired function. I am getting desired results after simulating it on Cadence spectre.

My query is about the fabrication. Can I send my circuit to fabrication  lab as one of the input is comination of Vin and Vtn (threshold voltage). Will it create any issue or such inputs are acceptable.

Alisha

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  • Quek

    Hi Alisha

    I think you can send any design for fabrication as long as it satisfies the following conditions:
    - PDK comes from an actual foundry and not a fictitious foundry such as Cadence generic PDK
    - Passes all DRC rules required by the foundry
    - Passes LVS check
    - Expected results are obtained from simulation using foundry models
    - Suitable chip package has been chosen

    Perhaps you might want to discuss more about your concerns with your supervisor, manager, etc.


    Best regards
    Quek

Reply
  • Quek

    Hi Alisha

    I think you can send any design for fabrication as long as it satisfies the following conditions:
    - PDK comes from an actual foundry and not a fictitious foundry such as Cadence generic PDK
    - Passes all DRC rules required by the foundry
    - Passes LVS check
    - Expected results are obtained from simulation using foundry models
    - Suitable chip package has been chosen

    Perhaps you might want to discuss more about your concerns with your supervisor, manager, etc.


    Best regards
    Quek

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