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maintaining the pcell structure in a gds

Adhil

Hi!!

 I have always experienced that when i strmout a gds and stream it in again, the pcells get flattened and the pcell instantiation becomes a cell. Furthermore, the submaster gets converted into a cell master. how do i fix this problem.

 Adhil.

Parents

  • Adhil,

    You can only do that if you used the keep pcells option (only available in IC5141 and before) when you streamed out, and then used those additional side files when streaming back in, because otherwise there's no mapping information stored which tells it what the original pcell parameters were for each variant, and what the pcell was.

    If you've archived the database, there's no need to stream it back in - that's the point I was trying to make...

    Regards,

    Andrew.

Reply

  • Adhil,

    You can only do that if you used the keep pcells option (only available in IC5141 and before) when you streamed out, and then used those additional side files when streaming back in, because otherwise there's no mapping information stored which tells it what the original pcell parameters were for each variant, and what the pcell was.

    If you've archived the database, there's no need to stream it back in - that's the point I was trying to make...

    Regards,

    Andrew.

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