Design 3 bit Synchronous Up/Down Counter using JK-Flip Flop

Aniket
Aniket
• Created on Sep 25, 2025 • 9 • 1 • 2
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Design 3 bit Synchronous Up/Down Counter using JK-Flip Flop
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Integrated Circuits Used

74LS83 74LS76

Procedure

  1. Add IC 74LS83 into ICBase-1 (74LS83).
  2. Add IC 74LS76 into ICBase-2 (74LS76).
  3. Add IC 74LS76 into ICBase-3 (74LS76).
  4. Connect VCC Port to Pin-5 (VCC) of ICBase-3 (74LS76).
  5. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS76).
  6. Connect VCC Port to Pin-20 (Input) of ICBase-1 (74LS83).
  7. Connect GND Port to Pin-17 (Ground) of ICBase-2 (74LS76).
  8. Connect GND Port to Pin-17 (Ground) of ICBase-3 (74LS76).
  9. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS83).
  10. Connect Clock port of 5Hz frequency to Pin-1 (Input) of ICBase-2 (74LS76).
  11. Connect VCC Port to Pin-7 (Input) of ICBase-2 (74LS76).
  12. Connect VCC Port to Pin-8 (Input) of ICBase-2 (74LS76).
  13. Connect VCC Port to Pin-4 (Input) of ICBase-2 (74LS76).
  14. Connect Seven segment display 1 to Pin-19 (Output) of ICBase-2 (74LS76).
  15. Connect Pin-19 (Output) of ICBase-2 (74LS76) to Pin-1 (Input) of ICBase-1 (74LS83).
  16. Connect Pin-16 (Input) of ICBase-2 (74LS76) to Pin-19 (Output) of ICBase-2 (74LS76).
  17. Connect Clock port of 5Hz frequency to Pin-6 (Input) of ICBase-2 (74LS76).
  18. Connect Seven segment display 1 to Pin-15 (Output) of ICBase-2 (74LS76).
  19. Connect Pin-16 (Input) of ICBase-2 (74LS76) to Pin-2 (Output) of ICBase-1 (74LS83).
  20. Connect VCC Port to Pin-2 (Input) of ICBase-3 (74LS76).
  21. Connect Clock port of 5Hz frequency to Pin-1 (Input) of ICBase-3 (74LS76).
  22. Connect Seven segment display 1 to Pin-19 (Output) of ICBase-3 (74LS76).
  23. Connect Pin-18 (Output) of ICBase-2 (74LS76) to Pin-5 (VCC) of ICBase-1 (74LS83).