Toshiba TD3472AP Replacement ???

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  • guizmo1967
    Senior Member
    • Sep 2022
    • 75
    • Canada

    #1

    Toshiba TD3472AP Replacement ???

    Hello,

    I search and search and could not find the datasheet for this IC !!!

    What I understand it's a JK Flip Flop IC. From the schematic the pinout is:

    1- Not connected
    2- R
    3- ground
    4- J (tied to ground with 3 and 5)
    5- ground
    6- Q(bar)
    7- Vss
    8- Q
    9- +5V
    10- +5V
    11- K (tied to +5V with 9 and 10)
    12- C
    13- S
    14- Vdd

    What is pin2 (R), pin13 (S), pin12 (C) ???

    Is it (R)eset, (S)et and (C)lock ???

    Thank you for your help !!
  • truclacicr
    Badcaps Veteran
    • Apr 2019
    • 300
    • australia

    #2
    Re: Toshiba TD3472AP Replacement ???

    2 = CLR (clear)
    13 = PR (preset)
    12 = CK (clock)

    https://cdn.badcaps-static.com/pdfs/...10897416d6.pdf (IC11, page 14)

    The chip appears to have the same pinout as a 7472.

    https://cdn.badcaps-static.com/pdfs/...42accdc4e4.pdf
    https://www.datasheetarchive.com/dat...&term=TD3472AP
    Last edited by truclacicr; 11-13-2023, 03:05 PM.

    Comment

    • guizmo1967
      Senior Member
      • Sep 2022
      • 75
      • Canada

      #3
      Re: Toshiba TD3472AP Replacement ???

      Looks like the SN5472/SN7472 are the exact replacement for the TD3472AP !!!

      Thank you very much for your information truclacicr

      Comment

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