Decade 4-bit Synchronous counter using 74LS76

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Preview of Decade 4-bit Synchronous counter using 74LS76 with 74LS08, 74LS76 and 74LS32 ICs
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Tutorial

Start by tapping on Next button.

1. Click on 'Next' button to Add IC-74LS76, 74LS08, 74LS32

Click on 'Next' button to Add IC-74LS76, 74LS08, 74LS32

2. Click on 'Next' button to Connect GND and VCC of ICs

Click on 'Next' button to Connect GND and VCC of ICs

3. Click on 'Next' button to Connect J1, K1 to Vcc

Click on 'Next' button to Connect J1, K1 to Vcc

4. Click on 'Next' button to Connect Clock Pin-1 to clock port

Click on 'Next' button to Connect Clock Pin-1 to clock port

5. Click on 'Next' button to Connect QA to Output port

Click on 'Next' button to Connect QA to Output port

6. Click on 'Next' button to Connect QA to Pin-1 of AND Gate

Click on 'Next' button to Connect QA to Pin-1 of AND Gate

7. Click on 'Next' button to Connect output of AND Gate to J2,K2

Click on 'Next' button to Connect output of AND Gate to J2,K2

8. Click on 'Next' button to Connect Clock Pin-2 to clock port

Click on 'Next' button to Connect Clock Pin-2 to clock port

9. Click on 'Next' button to Connect QB to output port

Click on 'Next' button to Connect QB to output port

10. Click on 'Next' button to Connect QB to Pin-4 of AND Gate

Click on 'Next' button to Connect QB to Pin-4 of AND Gate

11. Click on 'Next' button to Connect QA to Pin-5 of AND Gate

Click on 'Next' button to Connect QA to Pin-5 of AND Gate

12. Click on 'Next' button to Connect Output-2 of AND Gate to J3,K3

Click on 'Next' button to Connect Output-2 of AND Gate to J3,K3

13. Click on 'Next' button to Connect Clock Pin-3 to clock port

Click on 'Next' button to Connect Clock Pin-3 to clock port

14. Click on 'Next' button to Connect Output-2 of AND Gate to Pin-9 of AND Gate

Click on 'Next' button to Connect Output-2 of AND Gate to Pin-9 of AND Gate

15. Click on 'Next' button to Connect QC to output port

Click on 'Next' button to Connect QC to output port

16. Click on 'Next' button to Connect QC to pin-10 of AND Gate

Click on 'Next' button to Connect QC to pin-10 of AND Gate

17. Click on 'Next' button to Connect Output-3 of AND Gate to input-1 of OR Gate

Click on 'Next' button to Connect Output-3 of AND Gate to input-1 of OR Gate

18. Click on 'Next' button to Connect Output of OR Gate to J4,K4

Click on 'Next' button to Connect Output of OR Gate to J4,K4

19. Click on 'Next' button to Connect Clock Pin-4 to clock port

Click on 'Next' button to Connect Clock Pin-4 to clock port

20. Click on 'Next' button to Connect QD to output port

Click on 'Next' button to Connect QD to output port

21. Click on 'Next' button to Connect -QD to pin-2 of AND Gate

Click on 'Next' button to Connect -QD to pin-2 of AND Gate

22. Click on 'Next' button to Connect QA to pin-18 of AND Gate

Click on 'Next' button to Connect QA to pin-18 of AND Gate

23. Click on 'Next' button to Connect QD to pin-19 of AND Gate

Click on 'Next' button to Connect QD to pin-19 of AND Gate

24. Click on 'Next' button to Connect pin-17 of AND Gate to pin-2 of OR Gate

Click on 'Next' button to Connect pin-17 of AND Gate to pin-2 of OR Gate

25. Click on 'Next' button to Connect CLEAR Pins of all ICs to Input port

Click on 'Next' button to Connect CLEAR Pins of all ICs to Input port

26. Click on 'Next' button to Connect PR Pins of all ICs to Vcc port

Click on 'Next' button to Connect PR Pins of all ICs to Vcc port

27. Click on 'Next' button to Connect Outputs to 7-seg display to better understanding of counter (Optional)

Click on 'Next' button to Connect Outputs to 7-seg display to better understanding of counter (Optional)

Done

You have completed the tutorial. Power on the circuit to test the behavior.

Step-by-Step Procedure

  1. Click on 'Next' button to Add IC-74LS76, 74LS08, 74LS32
  2. Click on 'Next' button to Connect GND and VCC of ICs
  3. Click on 'Next' button to Connect J1, K1 to Vcc
  4. Click on 'Next' button to Connect Clock Pin-1 to clock port
  5. Click on 'Next' button to Connect QA to Output port
  6. Click on 'Next' button to Connect QA to Pin-1 of AND Gate
  7. Click on 'Next' button to Connect output of AND Gate to J2,K2
  8. Click on 'Next' button to Connect Clock Pin-2 to clock port
  9. Click on 'Next' button to Connect QB to output port
  10. Click on 'Next' button to Connect QB to Pin-4 of AND Gate
  11. Click on 'Next' button to Connect QA to Pin-5 of AND Gate
  12. Click on 'Next' button to Connect Output-2 of AND Gate to J3,K3
  13. Click on 'Next' button to Connect Clock Pin-3 to clock port
  14. Click on 'Next' button to Connect Output-2 of AND Gate to Pin-9 of AND Gate
  15. Click on 'Next' button to Connect QC to output port
  16. Click on 'Next' button to Connect QC to pin-10 of AND Gate
  17. Click on 'Next' button to Connect Output-3 of AND Gate to input-1 of OR Gate
  18. Click on 'Next' button to Connect Output of OR Gate to J4,K4
  19. Click on 'Next' button to Connect Clock Pin-4 to clock port
  20. Click on 'Next' button to Connect QD to output port
  21. Click on 'Next' button to Connect -QD to pin-2 of AND Gate
  22. Click on 'Next' button to Connect QA to pin-18 of AND Gate
  23. Click on 'Next' button to Connect QD to pin-19 of AND Gate
  24. Click on 'Next' button to Connect pin-17 of AND Gate to pin-2 of OR Gate
  25. Click on 'Next' button to Connect CLEAR Pins of all ICs to Input port
  26. Click on 'Next' button to Connect PR Pins of all ICs to Vcc port
  27. Click on 'Next' button to Connect Outputs to 7-seg display to better understanding of counter (Optional)

Block Diagram

Block diagram representing pin diagram of Decade 4-bit Synchronous counter using 74LS76 with 74LS08, 74LS76 and 74LS32 ICs

ICs used in this circuit with pin diagram



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