4 Bit asynchronous down counter

Rijul
Rijul Rajesh T P
• Created on Jun 24, 2023 • 0 • 0 • 1
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4 Bit asynchronous down counter
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Integrated Circuits Used

74LS76

Description

Using 7476 JK Flipflop

Procedure

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