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SNM calculation for SRAM

Mohana

 Hey,

 

I am currently working on SRAM cell. I need to calculate the SNM-read, write and idle for my cell. I have the understanding of what is SNM. But i am not sure on how to plot the butterfly curve for the cell in cadance. Could any1 please help me with this.

 

Thank you

 

Mohana

Parents
  • Andrew Beckett

    Hi Mohana,

    Not sure why you've filed this under RF design, because it's not really RF related. Anyway, there's an example of using SpectreMDL to do SNM measurements. See:

    <MMSIMinstDir>/tools/spectre/examples/MDL_workshop

    There's a pdf in there, and a gzipped tar file containing an example database. In the version I looked a, page 63 of the PDF talks about doing SNM

    Regards,

    Andrew.

Reply
  • Andrew Beckett

    Hi Mohana,

    Not sure why you've filed this under RF design, because it's not really RF related. Anyway, there's an example of using SpectreMDL to do SNM measurements. See:

    <MMSIMinstDir>/tools/spectre/examples/MDL_workshop

    There's a pdf in there, and a gzipped tar file containing an example database. In the version I looked a, page 63 of the PDF talks about doing SNM

    Regards,

    Andrew.

Children
  • monkeydliren
    in reply to Andrew Beckett

    thank you, found it, and it is very helpful

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