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Akshat Binoy
Akshat Binoy
• Created on May 1, 2026 • 0 • 0 • 4
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Integrated Circuits Used

74LS90 74LS85 74LS04 74LS08

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Add IC 74LS85 into ICBase-2 (74LS85).
  3. Add IC 74LS04 into ICBase-3 (74LS04).
  4. Add IC 74LS08 into ICBase-4 (74LS08).
  5. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-1 (74LS90).
  6. Connect Pin-17 (Output) of ICBase-1 (74LS90) to Pin-2 (Input) of ICBase-1 (74LS90).
  7. Connect Pin-15 (Output) of ICBase-1 (74LS90) to Pin-3 (Input) of ICBase-1 (74LS90).
  8. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  9. Connect Pin-16 (Ground) of ICBase-1 (74LS90) to Pin-6 (Input) of ICBase-1 (74LS90).
  10. Connect Pin-16 (Ground) of ICBase-1 (74LS90) to Pin-7 (Input) of ICBase-1 (74LS90).
  11. Connect Pin-20 (Input) of ICBase-1 (74LS90) to Pin-3 (Output) of ICBase-4 (74LS08).
  12. Connect Pin-13 (Input) of ICBase-2 (74LS85) to Pin-18 (Output) of ICBase-1 (74LS90).
  13. Connect Seven segment display 1 to Pin-17 (Output) of ICBase-1 (74LS90).
  14. Connect Pin-18 (Input) of ICBase-2 (74LS85) to Pin-14 (Output) of ICBase-1 (74LS90).
  15. Connect Pin-17 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-2 (74LS85).
  16. Connect GND Port to Pin-2 (Input) of ICBase-2 (74LS85).
  17. Connect GND Port to Pin-8 (Ground) of ICBase-2 (74LS85).
  18. Connect GND Port to Pin-4 (Input) of ICBase-2 (74LS85).
  19. Connect Pin-1 (Input) of ICBase-3 (74LS04) to Pin-6 (Output) of ICBase-2 (74LS85).
  20. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  21. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  22. Connect Pin-15 (Input) of ICBase-2 (74LS85) to Pin-15 (Output) of ICBase-1 (74LS90).
  23. Connect VCC Port to Pin-3 (Input) of ICBase-2 (74LS85).
  24. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS85).
  25. Connect Input-3 to Pin-19 (Input) of ICBase-2 (74LS85).
  26. Connect Input-2 to Pin-17 (Input) of ICBase-2 (74LS85).
  27. Connect Input-1 to Pin-16 (Input) of ICBase-2 (74LS85).
  28. Connect GND Port to Pin-14 (Input) of ICBase-2 (74LS85).
  29. Connect Pin-1 (Input) of ICBase-4 (74LS08) to Pin-2 (Output) of ICBase-3 (74LS04).
  30. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS04).
  31. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS08).
  32. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS04).
  33. Connect Clock port of 1Hz frequency to Pin-2 (Input) of ICBase-4 (74LS08).
  34. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS08).