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Questions in stream out the layers used in a layout that includes three chips

SUEE

Hi,

I use IC51 and for the resource limitation, I have to tapeout three chips altogether in one gds file.

For the tapeout, I stream out a gds file "Chips_top.gds" of my design and I want to know the layers really used.

(1) Is PIPO.LOG the correct place I could know the layers go with this layout?  Any place else?

(2) "Chips_top" contains three independent chips, say chip1, chip2 and chip3. Why in the PIPO.LOG file only the layers of single chip is "explicitly" listed? I try several times; sometimes layers of chip1 is listed, sometimes layers of chip2 is listed and sometimes layers of chip3 is listed. Although I know the layers of these three chips could be the same, but still feel uncomfortable why the layers of only one chip is "explicitly" listed. Is there a way to let PIPO.LOG "explicitly" list all the layers in "Chips_top.gds" ?

 

 

Thanks a lot !!

 

   

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  • Andrew Beckett

    I too have seen some login problems recently. I find that I have to go to www.cadence.com and then Log In at the top, and then after that I can click on links in the emails from the forums and reply. If I'm not logged in when I try to reply it fails to log in properly. I plan to report this to Cadence IT to get resolved - just haven't had a chance yet...

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  • Andrew Beckett

    I too have seen some login problems recently. I find that I have to go to www.cadence.com and then Log In at the top, and then after that I can click on links in the emails from the forums and reply. If I'm not logged in when I try to reply it fails to log in properly. I plan to report this to Cadence IT to get resolved - just haven't had a chance yet...

    Andrew.

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