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