Three bit up/down counter

Jainika Isha
Jainika Isha Bisen
• Created on Apr 9, 2023 • 2 • 0 • 1
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Three bit up/down counter
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Integrated Circuits Used

74LS76

Procedure

  1. Connect VCC Port to Pin-5 (VCC) of ICBase-3 (74LS76).
  2. Connect GND Port to Pin-17 (Ground) of ICBase-3 (74LS76).
  3. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS76).
  4. Connect Input-1 to Pin-4 (Input) of ICBase-3 (74LS76).
  5. Connect Input-0 to Pin-20 (Input) of ICBase-3 (74LS76).
  6. Connect Input-4 to Pin-2 (Input) of ICBase-3 (74LS76).
  7. Connect Input-3 to Pin-3 (Input) of ICBase-3 (74LS76).
  8. Connect Output-0 to Pin-19 (Output) of ICBase-3 (74LS76).
  9. Connect Pin-2 (Input) of ICBase-2 (74LS76) to Input-9.
  10. Connect Input-8 to Pin-3 (Input) of ICBase-2 (74LS76).
  11. Connect Input-7 to Pin-4 (Input) of ICBase-2 (74LS76).
  12. Connect Input-6 to Pin-20 (Input) of ICBase-2 (74LS76).
  13. Connect Output-4 to Pin-19 (Output) of ICBase-2 (74LS76).
  14. Connect GND Port to Pin-17 (Ground) of ICBase-2 (74LS76).
  15. Connect VCC Port to Pin-5 (VCC) of ICBase-4 (74LS76).
  16. Connect Output-7 to Pin-19 (Output) of ICBase-4 (74LS76).
  17. Connect Input-11 to Pin-4 (Input) of ICBase-4 (74LS76).
  18. Connect Input-10 to Pin-20 (Input) of ICBase-4 (74LS76).
  19. Connect GND Port to Pin-17 (Ground) of ICBase-4 (74LS76).
  20. Connect Input-13 to Pin-2 (Input) of ICBase-4 (74LS76).
  21. Connect Pin-3 (Input) of ICBase-4 (74LS76) to Input-14.
  22. Connect Pin-18 (Output) of ICBase-3 (74LS76) to Pin-1 (Input) of ICBase-2 (74LS76).
  23. Connect Clock port of 1Hz frequency to Pin-1 (Input) of ICBase-3 (74LS76).
  24. Add IC 74LS76 into ICBase-3 (74LS76).
  25. Add IC 74LS76 into ICBase-2 (74LS76).
  26. Add IC 74LS76 into ICBase-4 (74LS76).
  27. Connect Pin-1 (Input) of ICBase-4 (74LS76) to Pin-18 (Output) of ICBase-2 (74LS76).