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JK Flip-Flop

JK Flip-Flop. Lecture Overview. J-K Flip Flops Asynchronous Input Sample Flip Flop Applications. J Q K Q. CLK    . J 0 0 1 1. K 0 1 0 1. Q n+1 Q n (no change) 0 (clear) 1 (set) Q n (toggle). J-K Flip Flop. CLK    . J 0 0 1 1. K 0

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JK Flip-Flop

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  1. JKFlip-Flop

  2. Lecture Overview • J-K Flip Flops • Asynchronous Input • Sample Flip Flop Applications

  3. J Q K Q CLK     J 0 0 1 1 K 0 1 0 1 Q n+1 Q n(no change) 0 (clear) 1 (set) Q n(toggle) J-K Flip Flop

  4. CLK     J 0 0 1 1 K 0 1 0 1 Q n+1 Q n(no change) 0 (clear) 1 (set) Q n(toggle) Negative Edged Triggers - J-K Flip Flop

  5. CLK X X X     P-SET 0 1 0 1 1 1 1 CLR 1 0 0 1 1 1 1 J X X X 0 0 1 1 K X X X 0 1 0 1 Q n+1 1 (preset) 0 (clear) ? (illegal) Q n 0 1 Q n J-K Flip Flop with Preset & Clear

  6. Divide-By Circuit with J-K Flip Flop

  7. Divide By Circuit - Simulation

  8. Divide By Circuit - Simulation

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