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Flip-Flops PowerPoint Presentation

Flip-Flops

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Flip-Flops

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Presentation Transcript

  1. Flip-Flops

  2. RS Flip-flop S X Inputs Outputs R X

  3. RS Flip-flop - definition

  4. RS Flip-flop waveforms

  5. RS Flip-flop Types of flip-flops: a) dynamic b) synchronized

  6. Example

  7. Example continuation

  8. RS flip-flop formed by cross-coupling NOR gates

  9. RS flip-flop formed by cross-coupling NAND gates

  10. Transfer circuit

  11. RS latch

  12. D latch

  13. Shift register

  14. The progression of states by the counter

  15. Example: Binary counter

  16. Example: Gated-clock binary counter

  17. JK flip-flop

  18. Example: Binary counter made with JK flip-flops

  19. Example: Up-down counter

  20. Integrated circuits

  21. Counter design:Design rule for RS flip-flops

  22. Counter design: Exercise (RS version) Design a counter using three RS Flip-Flops to sequence as follows

  23. Solution: (RS version)

  24. Solution: Counter with RS flip-flops C B S A S S R R R

  25. Counter design: Design rule for JK flip-flops

  26. Counter design: Exercise (JK version) Design a counter using three JK Flip-Flops to sequence as follows

  27. Solution: (JK version)Counter with JK flip-flops