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Texas Instruments Proprietary IC's?

Discussion in 'Datasheets, Manuals and Component Identification' started by shrtrnd, Jan 18, 2010.

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  1. shrtrnd

    shrtrnd

    3,827
    520
    Jan 15, 2010
    Trying to identify some 14-Pin DIP IC's, made by Texas Instruments.
    Does anybody know anything about the markings, and what they might cross to?

    158-2606
    158-2763
    158-5996
    158-9129

    I don't know if they're some obsolete family of IC's, or proprietary markings for some company. Anybody seen this type of marking before?
    Thanks
     
  2. Resqueline

    Resqueline

    2,848
    2
    Jul 31, 2009
    It's typical proprietary/ in-house markings. HP had 4-4 digit markings for instance. These could be standard TTL circuits if they are a little aged. If you find no clues on the net your only option is to assume something and test them in some (safe, current limited) way.
     
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