4.b 3 Bit Synchronous DOWN Counter

Abhinav Kumar
Abhinav Kumar Mishra
• Created on Sep 9, 2021 • 0 • 0 • 2
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4.b 3 Bit Synchronous DOWN Counter
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Integrated Circuits Used

74LS76 74LS08

Procedure

  1. Add IC 74LS76 into ICBase-3 (74LS76).
  2. Add IC 74LS08 into ICBase-4 (74LS08).
  3. Add IC 74LS76 into ICBase-5 (74LS76).
  4. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS08).
  5. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS08).
  6. Connect Pin-4 (Input) of ICBase-5 (74LS76) to Pin-3 (Output) of ICBase-4 (74LS08).
  7. Connect Pin-20 (Input) of ICBase-5 (74LS76) to Pin-3 (Output) of ICBase-4 (74LS08).
  8. Connect GND Port to Pin-17 (Ground) of ICBase-5 (74LS76).
  9. Connect VCC Port to Pin-5 (VCC) of ICBase-5 (74LS76).
  10. Connect VCC Port to Pin-5 (VCC) of ICBase-3 (74LS76).
  11. Connect GND Port to Pin-17 (Ground) of ICBase-3 (74LS76).
  12. Connect Pin-20 (Input) of ICBase-3 (74LS76) to VCC Port.
  13. Connect Pin-4 (Input) of ICBase-3 (74LS76) to VCC Port.
  14. Connect Pin-1 (Input) of ICBase-3 (74LS76) to Clock port of 1Hz frequency.
  15. Connect Pin-6 (Input) of ICBase-3 (74LS76) to Clock port of 1Hz frequency.
  16. Connect Pin-1 (Input) of ICBase-5 (74LS76) to Clock port of 1Hz frequency.
  17. Connect Pin-2 (Input) of ICBase-3 (74LS76) to VCC Port.
  18. Connect Pin-3 (Input) of ICBase-3 (74LS76) to VCC Port.
  19. Connect Pin-2 (Input) of ICBase-5 (74LS76) to VCC Port.
  20. Connect Pin-3 (Input) of ICBase-5 (74LS76) to VCC Port.
  21. Connect Pin-7 (Input) of ICBase-3 (74LS76) to VCC Port.
  22. Connect Pin-8 (Input) of ICBase-3 (74LS76) to VCC Port.
  23. Connect Output-0 to Pin-19 (Output) of ICBase-3 (74LS76).
  24. Connect Pin-1 (Input) of ICBase-4 (74LS08) to Pin-18 (Output) of ICBase-3 (74LS76).
  25. Connect Pin-13 (Input) of ICBase-3 (74LS76) to Pin-18 (Output) of ICBase-3 (74LS76).
  26. Connect Pin-16 (Input) of ICBase-3 (74LS76) to Pin-18 (Output) of ICBase-3 (74LS76).
  27. Connect Output-1 to Pin-15 (Output) of ICBase-3 (74LS76).
  28. Connect Pin-2 (Input) of ICBase-4 (74LS08) to Pin-14 (Output) of ICBase-3 (74LS76).
  29. Connect Output-2 to Pin-19 (Output) of ICBase-5 (74LS76).