Synchronous - down counter

Sagar
Sagar Panchal
• Created on Sep 3, 2025 • 1 • 2 • 0
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Synchronous - down counter
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Procedure

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