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 LVS switches needed for extraction of additional parameters for MOSFETS in PVS 

Last post Mon, Jul 15 2013 12:25 AM by sohaiba. 2 replies.
Started by sohaiba 11 Jul 2013 11:12 PM. Topic has 2 replies and 539 views
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  • Thu, Jul 11 2013 11:12 PM

    • sohaiba
    • Top 500 Contributor
    • Joined on Mon, Jul 9 2012
    • Islamabad, Pakistan
    • Posts 21
    • Points 375
    LVS switches needed for extraction of additional parameters for MOSFETS in PVS Reply

    Hello everyone,

     Please can anyone indicate the LVS switches required for extraction of intrinsic capacitance etc for MOSFETS in PVS/LVS. I know that for calibre we can use "PEX_RUN=TRUE " to acheive this.

     

    Regards

     

    Sohaib
    • Post Points: 20
  • Fri, Jul 12 2013 6:50 AM

    • Quek
    • Top 10 Contributor
    • Joined on Wed, Oct 14 2009
    • Singapore, 00-SG
    • Posts 1,079
    • Points 16,415
    Re: LVS switches needed for extraction of additional parameters for MOSFETS in PVS Reply

    Hi Sohaib

    PVS does not extract parasitic capacitance. This is done by the downstream tool QRC. Some foundries use the same PEX_RUN switch in PVS decks to enable the extraction of special lvs parameters. If such a switch is present in your deck, I think you can also enable it.

    Best regards
    Quek

    • Post Points: 20
  • Mon, Jul 15 2013 12:25 AM

    • sohaiba
    • Top 500 Contributor
    • Joined on Mon, Jul 9 2012
    • Islamabad, Pakistan
    • Posts 21
    • Points 375
    Re: LVS switches needed for extraction of additional parameters for MOSFETS in PVS Reply

     Yes thank you for your reply. To obtain the intrinsic capacitance parameters for spice netlists, I had to turn on a switch during LVS. Then I applied PVS-QRC to get that intrinsic parameters extracted.

    Regards

    Sohaib
    • Post Points: 5
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Started by sohaiba at 11 Jul 2013 11:12 PM. Topic has 2 replies.