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Power calculation

RAJ JOHRI

I want to calculate overal leakage power of a 6T SRAM. Should I have to calculate leakge power at each node of all transistors?

I searched on the Internet and got various ways to calculate leakage power. Please tell me the correct way to calculate the leakage power in any digital circuit in cadence.

By leakage power I mean the power consumed by the transistor when it is in off state.

Thank You.

Parents

  • Hi Raj

    Would you please try Ultrasim's pcheck cmd (power check) to see if it can resolve your problem? Here is a description of the cmd from $MMSIMHOME/doc/UltraSim_User/UltraSim_User.pdf:

    "Based on the specified node list, voltage thresholds, over voltage duration time, and checking windows, the Virtuoso UltraSim simulator reports in a netlistName.pcheck file which nodes over a specific time window have voltage over, below, or within the threshold(s) for a
    time period equal to or greater than the specified duration. If no time window is specified, the entire simulation period is used."


    Best regards
    Quek

Reply

  • Hi Raj

    Would you please try Ultrasim's pcheck cmd (power check) to see if it can resolve your problem? Here is a description of the cmd from $MMSIMHOME/doc/UltraSim_User/UltraSim_User.pdf:

    "Based on the specified node list, voltage thresholds, over voltage duration time, and checking windows, the Virtuoso UltraSim simulator reports in a netlistName.pcheck file which nodes over a specific time window have voltage over, below, or within the threshold(s) for a
    time period equal to or greater than the specified duration. If no time window is specified, the entire simulation period is used."


    Best regards
    Quek

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