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 A problem in ELC (Encounter Library Characterizer) 

Last post Sat, Jul 12 2014 7:58 PM by great ljx. 4 replies.
Started by Hyunny 23 Feb 2011 07:51 AM. Topic has 4 replies and 2038 views
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  • Wed, Feb 23 2011 7:51 AM

    • Hyunny
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    • Joined on Wed, Feb 23 2011
    • Posts 2
    • Points 55
    A problem in ELC (Encounter Library Characterizer) Reply
    Hi, I am characterizing standard cells, but I have the following problem. When I run db_spice, elc says "[WARNING(db_spice)]No spice simulation to do, please check the cell/process list for any error", and it does not do any simulation. Could anyone help me? My elccfg is EC_SIM_USE_LSF=1; EC_SIM_LSF_CMD=" "; EC_SIM_LSF_PARALLEL=2; EC_SIM_TYPE="hspice"; EC_SIM_NAME="hspice"; EC_SPICE_SIMPLIFY=1; EC_CHAR="ECSM-TIMING ECSM-POWER"; SUBCKT = "inv.sp"; MODEL = "tr_model.m"; DESIGNS = "INVX1"; SETUP = "mySetup"; PROCESS = "typical"; and inv.sp is .SUBCKT INVX1 A Z VDD VSS blah_blah..... (this section is too long, so I didn't show it) .ENDS Thank you.
    • Post Points: 20
  • Thu, Feb 24 2011 11:20 PM

    • wangweike
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    • Points 145
    Re: A problem in ELC (Encounter Library Characterizer) Reply

    Hi, I think your problems must be in the subckt file,can you post it ?

    • Post Points: 20
  • Fri, Feb 25 2011 6:09 PM

    • Hyunny
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    • Joined on Wed, Feb 23 2011
    • Posts 2
    • Points 55
    Re: A problem in ELC (Encounter Library Characterizer) Reply
    Hi, Thank you for your reply, but I finally resolved this issue. I thought that elc should work if I define Corner="typical" in a Process statement, Process MYP, and define Process="typical" in elccfg, but it was the problem. so I defined Corner="" in Process MYP, and defined Process="MYP" in elccfg, and it worked. Thanks, anyway!
    • Post Points: 35
  • Thu, Oct 18 2012 1:49 AM

    • jandark
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    Re: A problem in ELC (Encounter Library Characterizer) Reply

     Hi frined

    I am going to calculate the characterization for some basic cell, I know I should survey time ,noise and power.

    but i don't know,how??

    I appreciate you if you help and guide me,
    Regards

     

    • Post Points: 5
  • Sat, Jul 12 2014 7:58 PM

    • great ljx
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    • Joined on Thu, Jul 10 2014
    • Posts 6
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    Re: A problem in ELC (Encounter Library Characterizer) Reply

    hello ,

    can you explain this question more ,I try your way,but it doesn't work .

    I think I  must forget some thing ,so looking forword to your more detial about the question .

    3Q~ 

    • Post Points: 5
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Started by Hyunny at 23 Feb 2011 07:51 AM. Topic has 4 replies.