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Streaming out pcells to gds

mtwadeCU

Hi,

While I'm actively developing a pcell, it is useful to be able to stream out a gds directly from the pcell without instantiating it in another layout first. However, when I try to stream out the pcell using the CIW File -> Export -> Stream, the streamed out file is empty and the "Summary of Objects Translated" message to the CIW shows that zero shapes were translated. If I first create a new layout cellview and instantiate the pcell in that layout, I can stream things out just fine. Is there a way to stream out a pcell without first instantiating it in a larger layout? 

Thanks,

Mark 

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  • Andrew Beckett

    Mark,

    Not sure which version you're using, but I just tried this in IC616 (ISR7, as it happens) and it works fine.

    It might slightly depend on how you're developing the pcell too (if you're using pcDefinePCell rather than dbDefineProc) because it will not evaluate the pcell as such, but use whatever default shapes are in the pcell (which for  pcDefinePCell would correspond to whatever the default values produced).

    Regards,

    Andrew.

Reply
  • Andrew Beckett

    Mark,

    Not sure which version you're using, but I just tried this in IC616 (ISR7, as it happens) and it works fine.

    It might slightly depend on how you're developing the pcell too (if you're using pcDefinePCell rather than dbDefineProc) because it will not evaluate the pcell as such, but use whatever default shapes are in the pcell (which for  pcDefinePCell would correspond to whatever the default values produced).

    Regards,

    Andrew.

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