Synchronous downcounter using 7476

Rijul
Rijul Rajesh T P
• Created on Jun 24, 2023 • 0 • 0 • 2
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Synchronous downcounter using 7476
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Integrated Circuits Used

74LS76 74LS08

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-4 (Input) of ICBase-2 (74LS76) to Pin-3 (Output) of ICBase-3 (74LS08).
  4. Connect Pin-20 (Input) of ICBase-2 (74LS76) to Pin-3 (Output) of ICBase-3 (74LS08).
  5. Connect Pin-4 (Input) of ICBase-3 (74LS08) to Pin-3 (Output) of ICBase-3 (74LS08).
  6. Connect Pin-13 (Input) of ICBase-2 (74LS76) to Pin-6 (Output) of ICBase-3 (74LS08).
  7. Connect Pin-16 (Input) of ICBase-2 (74LS76) to Pin-6 (Output) of ICBase-3 (74LS08).
  8. Connect Output-3 to Pin-15 (Output) of ICBase-2 (74LS76).
  9. Connect Pin-19 (Output) of ICBase-1 (74LS76) to Output-0.
  10. Connect Output-2 to Pin-19 (Output) of ICBase-2 (74LS76).
  11. Connect Pin-3 (Input) of ICBase-1 (74LS76) to Input-0.
  12. Connect Pin-8 (Input) of ICBase-1 (74LS76) to Input-0.
  13. Connect Pin-3 (Input) of ICBase-2 (74LS76) to Input-0.
  14. Connect Pin-8 (Input) of ICBase-2 (74LS76) to Input-0.
  15. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS76).
  16. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS76).
  17. Connect GND Port to Pin-17 (Ground) of ICBase-2 (74LS76).
  18. Connect GND Port to Pin-17 (Ground) of ICBase-1 (74LS76).
  19. Connect VCC Port to Pin-2 (Input) of ICBase-1 (74LS76).
  20. Connect VCC Port to Pin-7 (Input) of ICBase-1 (74LS76).
  21. Connect VCC Port to Pin-2 (Input) of ICBase-2 (74LS76).
  22. Connect Pin-7 (Input) of ICBase-2 (74LS76) to VCC Port.
  23. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  24. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  25. Add IC 74LS76 into ICBase-1 (74LS76).
  26. Add IC 74LS76 into ICBase-2 (74LS76).
  27. Connect Output-1 to Pin-15 (Output) of ICBase-1 (74LS76).
  28. Connect Pin-18 (Output) of ICBase-1 (74LS76) to Pin-13 (Input) of ICBase-1 (74LS76).
  29. Connect Pin-18 (Output) of ICBase-1 (74LS76) to Pin-16 (Input) of ICBase-1 (74LS76).
  30. Connect Pin-18 (Output) of ICBase-2 (74LS76) to Pin-5 (Input) of ICBase-3 (74LS08).
  31. Connect Pin-1 (Input) of ICBase-2 (74LS76) to Manual clock Port.
  32. Connect Pin-6 (Input) of ICBase-2 (74LS76) to Manual clock Port.
  33. Connect Pin-1 (Input) of ICBase-1 (74LS76) to Manual clock Port.
  34. Connect Pin-6 (Input) of ICBase-1 (74LS76) to Manual clock Port.
  35. Add IC 74LS08 into ICBase-3 (74LS08).
  36. Connect Pin-14 (Output) of ICBase-1 (74LS76) to Pin-2 (Input) of ICBase-3 (74LS08).
  37. Connect Pin-18 (Output) of ICBase-1 (74LS76) to Pin-1 (Input) of ICBase-3 (74LS08).