3-bit Synchronous Up/Down counter

Manav Joshi
Manav Joshi
• Created on Dec 15, 2025 • 0 • 0 • 0
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3-bit Synchronous Up/Down counter
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Procedure

  1. Add IC 74LS76 into ICBase-2 (74LS76).
  2. Add IC 74LS08 into ICBase-3 (74LS08).
  3. Add IC 74LS32 into ICBase-4 (74LS32).
  4. Add IC 74LS04 into ICBase-5 (74LS04).
  5. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS76).
  6. Connect GND Port to Pin-17 (Ground) of ICBase-2 (74LS76).
  7. Connect Pin-7 (Ground) of ICBase-3 (74LS08) to GND Port.
  8. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  9. Connect Pin-20 (VCC) of ICBase-4 (74LS32) to VCC Port.
  10. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS32).
  11. Connect Pin-7 (Ground) of ICBase-5 (74LS04) to GND Port.
  12. Connect VCC Port to Pin-20 (VCC) of ICBase-5 (74LS04).
  13. Add IC 74LS76 into ICBase-1 (74LS76).
  14. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (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. Connect VCC Port to Pin-2 (Input) of ICBase-1 (74LS76).
  18. Connect Pin-3 (Input) of ICBase-1 (74LS76) to VCC Port.
  19. Connect VCC Port to Pin-4 (Input) of ICBase-1 (74LS76).
  20. Connect Pin-1 (Input) of ICBase-5 (74LS04) to Input-9.
  21. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Pin-2 (Output) of ICBase-5 (74LS04).
  22. Connect Pin-19 (Output) of ICBase-1 (74LS76) to Pin-1 (Input) of ICBase-3 (74LS08).
  23. Connect Pin-4 (Input) of ICBase-3 (74LS08) to Pin-18 (Output) of ICBase-1 (74LS76).
  24. Connect Pin-5 (Input) of ICBase-3 (74LS08) to Input-9.
  25. Connect Pin-1 (Input) of ICBase-4 (74LS32) to Pin-3 (Output) of ICBase-3 (74LS08).
  26. Connect Pin-6 (Output) of ICBase-3 (74LS08) to Pin-2 (Input) of ICBase-4 (74LS32).
  27. Connect Pin-13 (Input) of ICBase-1 (74LS76) to Pin-3 (Output) of ICBase-4 (74LS32).
  28. Connect Clock port of 5Hz frequency to Pin-6 (Input) of ICBase-1 (74LS76).
  29. Connect VCC Port to Pin-7 (Input) of ICBase-1 (74LS76).
  30. Connect Pin-8 (Input) of ICBase-1 (74LS76) to VCC Port.
  31. Connect Pin-19 (Input) of ICBase-3 (74LS08) to Pin-15 (Output) of ICBase-1 (74LS76).
  32. Connect Pin-3 (Output) of ICBase-3 (74LS08) to Pin-18 (Input) of ICBase-3 (74LS08).
  33. Connect Pin-14 (Output) of ICBase-1 (74LS76) to Pin-16 (Input) of ICBase-3 (74LS08).
  34. Connect Pin-6 (Output) of ICBase-3 (74LS08) to Pin-15 (Input) of ICBase-3 (74LS08).
  35. Connect Pin-4 (Input) of ICBase-4 (74LS32) to Pin-17 (Output) of ICBase-3 (74LS08).
  36. Connect Pin-5 (Input) of ICBase-4 (74LS32) to Pin-14 (Output) of ICBase-3 (74LS08).
  37. Connect Pin-4 (Input) of ICBase-2 (74LS76) to Pin-6 (Output) of ICBase-4 (74LS32).
  38. Connect Pin-3 (Input) of ICBase-5 (74LS04) to Pin-3 (Output) of ICBase-4 (74LS32).
  39. Connect Clock port of 5Hz frequency to Pin-1 (Input) of ICBase-2 (74LS76).
  40. Connect VCC Port to Pin-2 (Input) of ICBase-2 (74LS76).
  41. Connect Pin-3 (Input) of ICBase-2 (74LS76) to VCC Port.
  42. Connect Pin-5 (Input) of ICBase-5 (74LS04) to Pin-6 (Output) of ICBase-4 (74LS32).
  43. Connect Seven segment display 1 to Pin-19 (Output) of ICBase-1 (74LS76).
  44. Connect Pin-15 (Output) of ICBase-1 (74LS76) to Seven segment display 1.
  45. Connect Seven segment display 1 to Pin-19 (Output) of ICBase-2 (74LS76).
  46. Connect VCC Port to Pin-20 (Input) of ICBase-1 (74LS76).
  47. Connect Pin-16 (Input) of ICBase-1 (74LS76) to Pin-3 (Output) of ICBase-4 (74LS32).
  48. Connect Pin-20 (Input) of ICBase-2 (74LS76) to Pin-6 (Output) of ICBase-4 (74LS32).