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problem using 7476 dual JK f/f (URGENT)

Discussion in 'Electronic Basics' started by Ankur, Feb 22, 2004.

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  1. Ankur

    Ankur Guest

    I want to use the JK flip flop in toggle mode ..
    But i m unable 2 run it @ all . Some1 pls truobleshoot
    The pin connection i've made is as follows

    1- CLK
    2- '1'
    3- '1'
    4- '1'
    5- '1' Vcc
    13- '0' GND
    15- OUTPUT
    16- '1'

    The chip seems to b alright cos i've tried this on two separate chips
    and the voltage response is exactly the same in both .
    PS: I've to submit the project by tomm. so plss help asap..
  2. CBarn24050

    CBarn24050 Guest

    Hi, tie pin 8 to grnd to force unused ff into a known state, check your supply
    voltage is within the spec (4.75-5.25) and fit a 0.1 cap accross pin 5,13 as
    close as possible to the chip pins.
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