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Encounter DEF file export

rayz

I am trying to export my layout from Encounter to Cadence DFII ennvironment using DEF format.  Apparently the DEF file generated by Encounter does not contain all the VIA definitions or Virtuoso has problem reading them since when the design is imported in Virtuoso some of the VIAs are missing and I see warniong message that VIA definitions are missing. Do you have any experince dealing with this issue.

Thanks

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  • Kari

     Rayz,

    A more typical way to get your design from Encounter into DFII is by streaming out of Encounter and then streaming in to DFII. Of course, you will need to have your libraries already in DFII. (Std cell, RAM, IO, etc.) You could also try streaming out of Encounter with the -merge option, which will include the GDS layouts, and then you may not need to have them in DFII already. Streaming out of Encounter requires a gds layer map. Post back if you need more help with this.

    - Kari 

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  • Kari

     Rayz,

    A more typical way to get your design from Encounter into DFII is by streaming out of Encounter and then streaming in to DFII. Of course, you will need to have your libraries already in DFII. (Std cell, RAM, IO, etc.) You could also try streaming out of Encounter with the -merge option, which will include the GDS layouts, and then you may not need to have them in DFII already. Streaming out of Encounter requires a gds layer map. Post back if you need more help with this.

    - Kari 

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