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How to define a new layer in the Cadence Layout

UUinfini

Hello guys,

As mentioned in the title, I want to ask you if you know how to define a new layer in the Cadence Layout, thank you very much for any answer.

Best regards,

UU 

Parents

  • Hi,

    new layers are defined in the technology library, not the design.

    So, assuming you have an existing technology library, you can  dump an ascii version, make your edits, and re-compile the technology library from the ascii file.

    1. Dump the ascii with  Tools->technology file manager->dump.

      Select the technology library to dump and the ascii file name.

    2. Recompile with Tools->technology file manager->Load.

     

    If you look at the dumped ascii file you may be able to find out yourself  which lines to edit.

    But, a quick summary:

    You will need to define a layer name under "techLayers"

    You will need to define a layer purpose under "techLayersPurposePriorities"

    You will need to associate your layer with a color/stipple pattern with "techDisplays" 

    There are other sections as well. It all depends on what other Cadence tools you want to use (routing, DRD,etc).

    But the above should get you started.

    Look under " Technology Data ASCII Files Reference" (under "DFII") for more information.

     

    Colin 

     

Reply

  • Hi,

    new layers are defined in the technology library, not the design.

    So, assuming you have an existing technology library, you can  dump an ascii version, make your edits, and re-compile the technology library from the ascii file.

    1. Dump the ascii with  Tools->technology file manager->dump.

      Select the technology library to dump and the ascii file name.

    2. Recompile with Tools->technology file manager->Load.

     

    If you look at the dumped ascii file you may be able to find out yourself  which lines to edit.

    But, a quick summary:

    You will need to define a layer name under "techLayers"

    You will need to define a layer purpose under "techLayersPurposePriorities"

    You will need to associate your layer with a color/stipple pattern with "techDisplays" 

    There are other sections as well. It all depends on what other Cadence tools you want to use (routing, DRD,etc).

    But the above should get you started.

    Look under " Technology Data ASCII Files Reference" (under "DFII") for more information.

     

    Colin 

     

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