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  3. Generating a LEF file from a layout

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Generating a LEF file from a layout

Usuomi
Usuomi over 16 years ago

 Hey all-

I need to export my layout as a LEF file.  I have used CIW>File>Export...>.  When the "Virtuoso LEF Out" menu comes up I try to specify the layout cell from which to export a LEF file.  I choose "Pattern Match" at the bottom of the screen.  Then I type the name of library/cell/view (i.e. libraryTemp/adderTemp/layout). 

 I think that putting an abstract view instead of "layout" is correct.  Is this true that I need an abstract view if I want to use the LEF file in an automated layout (Magma)? 

Thanks,
Matthew

 

 

 

 

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  • Kari
    Kari over 16 years ago

     Hi Matthew,

    I just tried this with a layout view and I got a valid lefout.list file. However, the pattern match function is really meant for generating a lefout.list file for a lot of cells. If you are just outputing one cell, you can make your own lefout.list file with just that cell. The format is:

    libname cellname viewname

    - Kari 

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  • Kari
    Kari over 16 years ago

     Hi Matthew,

    I just tried this with a layout view and I got a valid lefout.list file. However, the pattern match function is really meant for generating a lefout.list file for a lot of cells. If you are just outputing one cell, you can make your own lefout.list file with just that cell. The format is:

    libname cellname viewname

    - Kari 

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