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 GRID size issue 

Last post Tue, Jul 28 2009 3:42 PM by Andrew Beckett. 4 replies.
Started by ToMWUT 23 Jul 2009 10:59 AM. Topic has 4 replies and 1279 views
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  • Thu, Jul 23 2009 10:59 AM

    • ToMWUT
    • Top 150 Contributor
    • Joined on Mon, Apr 20 2009
    • Warsaw, Poland
    • Posts 48
    • Points 810
    GRID size issue Reply

    Hello, 

    In configuration files user would be asked to put some technological parameters. That's why I've checked in different technologies what is the unit in which cadence gives the dimensions. It was microns. Now my question: is it always microns, or may user for example change this unit. If it changes all my calculations using data given in microns will be inaccurate when Cadence will give my data in e.g nanometers...

     

    Thanks,

    ToM

    • Post Points: 20
  • Thu, Jul 23 2009 12:26 PM

    Re: GRID size issue Reply

    I'm not sure what configuration files you're talking about, but if it's related to dimensions in the database, DBUperUU and userUnits are configurable per viewType. userUnits can be one of micron, millimeter, centimeter, meter, mil and inch. 

    In CDB releases (IC5141 and earlier), these settings can be on the cellView, library, tech lib, or cdsenv (effectively they seed the cellView settings), whereas in OA releases (e.g. IC613) this information is stored in the techFile:

    viewTypeUnits(
    ;( viewType userUnit dbuperuu )
    ;( -------- -------- -------- )
    ( maskLayout "micron" 2000 )
    )

    Your mileage may vary...

    Andrew.

    • Post Points: 20
  • Sun, Jul 26 2009 11:54 AM

    • ToMWUT
    • Top 150 Contributor
    • Joined on Mon, Apr 20 2009
    • Warsaw, Poland
    • Posts 48
    • Points 810
    Re: GRID size issue Reply

    Andrew,

    So is there any possibility to get this userUnit using SKILL?

    ToM

    • Post Points: 5
  • Tue, Jul 28 2009 3:18 PM

    • ToMWUT
    • Top 150 Contributor
    • Joined on Mon, Apr 20 2009
    • Warsaw, Poland
    • Posts 48
    • Points 810
    Re: GRID size issue Reply

     Any ideas? :)

     ToM

    • Post Points: 20
  • Tue, Jul 28 2009 3:42 PM

    Re: GRID size issue Reply

    Hi ToM,

    Sorry - I didn't see your previous post - we had a network failure here in the UK at the weekend, so a few emails went missing.

    Anyway, it depends where you're starting from. If it's a cellView ID, you can do:

    cv~>userUnits

    Regards,

    Andrew.

    • Post Points: 5
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Started by ToMWUT at 23 Jul 2009 10:59 AM. Topic has 4 replies.