Up/Down Counter using JK-Flip Flop

Aniket
Aniket Kadam
• Created on Sep 23, 2025 • 2 • 1 • 4
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Up/Down Counter using JK-Flip Flop
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Integrated Circuits Used

74LS76 74LS04 74LS08 74LS32

Procedure

  1. Add IC 74LS76 into ICBase-1 (74LS76).
  2. Add IC 74LS76 into ICBase-2 (74LS76).
  3. Add IC 74LS04 into ICBase-3 (74LS04).
  4. Add IC 74LS08 into ICBase-4 (74LS08).
  5. Add IC 74LS32 into ICBase-5 (74LS32).
  6. Connect Pin-1 (Input) of ICBase-3 (74LS04) to Input-1.
  7. Connect Pin-1 (Input) of ICBase-1 (74LS76) to Clock port of 1Hz frequency.
  8. Connect Pin-4 (Input) of ICBase-1 (74LS76) to VCC Port.
  9. Connect Pin-2 (Input) of ICBase-4 (74LS08) to Pin-19 (Output) of ICBase-1 (74LS76).
  10. Connect Pin-1 (Input) of ICBase-5 (74LS32) to Pin-3 (Output) of ICBase-4 (74LS08).
  11. Connect Pin-4 (Input) of ICBase-4 (74LS08) to Pin-18 (Output) of ICBase-1 (74LS76).
  12. Connect Pin-1 (Input) of ICBase-4 (74LS08) to Pin-2 (Output) of ICBase-3 (74LS04).
  13. Connect Pin-5 (Input) of ICBase-4 (74LS08) to Input-1.
  14. Connect Pin-2 (Input) of ICBase-5 (74LS32) to Pin-6 (Output) of ICBase-4 (74LS08).
  15. Connect Clock port of 1Hz frequency to Pin-6 (Input) of ICBase-1 (74LS76).
  16. Connect Pin-13 (Input) of ICBase-1 (74LS76) to Pin-3 (Output) of ICBase-5 (74LS32).
  17. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS08).
  18. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS08).
  19. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS04).
  20. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS04).
  21. Connect GND Port to Pin-7 (Ground) of ICBase-5 (74LS32).
  22. Connect VCC Port to Pin-20 (VCC) of ICBase-5 (74LS32).
  23. Connect Pin-19 (Input) of ICBase-4 (74LS08) to Pin-15 (Output) of ICBase-1 (74LS76).
  24. Connect Pin-18 (Input) of ICBase-4 (74LS08) to Pin-3 (Output) of ICBase-4 (74LS08).
  25. Connect Pin-4 (Input) of ICBase-5 (74LS32) to Pin-17 (Output) of ICBase-4 (74LS08).
  26. Connect Pin-16 (Input) of ICBase-4 (74LS08) to Pin-14 (Output) of ICBase-1 (74LS76).
  27. Connect Pin-15 (Input) of ICBase-4 (74LS08) to Pin-6 (Output) of ICBase-4 (74LS08).
  28. Connect Pin-5 (Input) of ICBase-5 (74LS32) to Pin-14 (Output) of ICBase-4 (74LS08).
  29. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS76).
  30. Connect Pin-4 (Input) of ICBase-2 (74LS76) to Pin-6 (Output) of ICBase-5 (74LS32).
  31. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS76).
  32. Connect Clock port of 1Hz frequency to Pin-1 (Input) of ICBase-2 (74LS76).
  33. Connect GND Port to Pin-17 (Ground) of ICBase-1 (74LS76).
  34. Connect GND Port to Pin-17 (Ground) of ICBase-2 (74LS76).
  35. Connect Seven segment display 2 to Pin-15 (Output) of ICBase-1 (74LS76).
  36. Connect Seven segment display 2 to Pin-19 (Output) of ICBase-1 (74LS76).
  37. Connect Seven segment display 2 to Pin-19 (Output) of ICBase-2 (74LS76).
  38. Connect VCC Port to Pin-20 (Input) of ICBase-1 (74LS76).
  39. Connect Pin-16 (Input) of ICBase-1 (74LS76) to Pin-3 (Output) of ICBase-5 (74LS32).
  40. Connect Pin-20 (Input) of ICBase-2 (74LS76) to Pin-6 (Output) of ICBase-5 (74LS32).