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PCB footprint

Discussion in 'Electronic Design' started by Enzo Ternavasio, Oct 9, 2005.

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  1. Anyone Knows where to find 128 pins TQFP footprint for Orcad Layout ?

    Enzo
     
  2. Pooh Bear

    Pooh Bear Guest

    orcad.com ?

    Just a guess.

    Graham
     
  3. PeteS

    PeteS Guest

    There is a user community for OrCad, but as a previous thread
    explained, it is rare to find a layout already made for some package.

    The reasons are numerous:

    Lots of incompatible CAD programs
    Each user has their own requirements of the footprint (things such as
    height, keepouts, paste layer etc) that are usually vastly different
    across the users.

    Implemented layers (and layer names) will vary across users, so unless
    you have identically named layers with identical attributes and an
    identical number of them, the footprint import won't work anyway.
    (OrCad layout isn't particularly 'top of the line' to put it
    diplomatically).

    The usual answer is 'make your own'

    Cheers

    PeteS
     
  4. Guest

    Post a reply here with the part number and manufacturer for the IC you
    want a footprint for and I will send you a footprint via e-mail.

    Jim
     
  5. The footprint i want is for the Cypress component :

    CY7C64713

    package:

    128 - Lead Thin Plastic Quad Flatpack A128

    Thanks
     
  6. qrk

    qrk Guest

    Best that you learn how to make your own footprints. With the latest
    version of Layout, you can use the footprint generator. Easy to make a
    footprint in 5 or 10 minutes of any size with the footprint generator.

    Layout has lots of parts in their library. Look in the "Quad" library.
    They have two versions of a 128-pin QFP.
     
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