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In WSP, how to align different layout instances tracks in top level

Ganesh 213

Hi,

In cadence 12.2, I instantiated two instances(which were done using WSP) in top level,in which one instant m1 and m2 were aligning to track patterns.But another instant m1 m2 are not aligned to top level layout view  tracks. please can any tell me how to resolve this issue.

Thanks in advance

Regards

Ganesh 

  • ColinSutlieff

    Hi Ganesh,

    I assume that you have enabled "snap pattern snapping" in the editor options form.

    I also assume that you have not defined any extra WSP regions at the top level that may conflict with your existing patterns.

    I also assume that  you are using the WSP regions as defined in the technology library.

    And finally, I assume that the 2 instances represent the same master, or, if they are different masters, that the metal layers are correctly aligned with their patterns.

    If everything above is correct then the snapping should work correctly.

    The best option is to contact customer support and provide some more details.

    Regards

    Colin

  • Ganesh 213
    Thank you very much colin. yes , snap pattern enabled ,no extra WEP region and two different masters.
    I tried by adding offset but another another one missing alignment with track pattern.
    I heard by changing period of track pattern we can achieve (Not sure).
    but I dont know how to make different period for instances ..

    Regards
    Ganesh

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