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Flip Flops with direct inputs

  1. Jan 9, 2015 #1
    Hi everyone,

    What is the logic circuit of JK flip flop with direct inputs (Clear and Preset)?

    I need circuit with AND-NOR and NAND combinations if that possible.

    Thanks in advance
  2. jcsd
  3. Jan 9, 2015 #2


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    Staff: Mentor

    When you do a Google Images search on JK Flipflop Circuitry, what do you find? :-)
  4. Jan 9, 2015 #3
    Please, I'm not that lazy. I've the AND-NOR combination (which my instructor gave me and I'm not sure if it's right or wrong):

    I need to know the NAND combination because my instructor didn't gave me any method to convert between AND-NOR and NAND combinations.
  5. Jan 10, 2015 #4


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    Science Advisor

    How can we know what you have or if what you have is correct? You need to provide a link or attach it to your post.
  6. Jan 21, 2015 #5


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    Science Advisor


    Here you are. Copied from Texas Instruments Datasheet.
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