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Sai Lahamge
Sai Lahamge
• Created on Nov 9, 2025 • 0 • 0 • 2
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Integrated Circuits Used

74LS90 74LS08

Procedure

  1. Add IC 74LS90 into ICBase-3 (74LS90).
  2. Connect Pin-5 (VCC) of ICBase-3 (74LS90) to VCC Port.
  3. Connect GND Port to Pin-16 (Ground) of ICBase-3 (74LS90).
  4. Connect Seven segment display 2 to Pin-18 (Output) of ICBase-3 (74LS90).
  5. Connect Seven segment display 2 to Pin-15 (Output) of ICBase-3 (74LS90).
  6. Connect Seven segment display 2 to Pin-14 (Output) of ICBase-3 (74LS90).
  7. Connect Seven segment display 2 to Pin-17 (Output) of ICBase-3 (74LS90).
  8. Connect GND Port to Pin-6 (Input) of ICBase-3 (74LS90).
  9. Connect GND Port to Pin-7 (Input) of ICBase-3 (74LS90).
  10. Connect Pin-1 (Input) of ICBase-3 (74LS90) to Pin-15 (Output) of ICBase-3 (74LS90).
  11. Add IC 74LS90 into ICBase-4 (74LS90).
  12. Connect VCC Port to Pin-5 (VCC) of ICBase-4 (74LS90).
  13. Connect GND Port to Pin-16 (Ground) of ICBase-4 (74LS90).
  14. Connect GND Port to Pin-6 (Input) of ICBase-4 (74LS90).
  15. Connect GND Port to Pin-7 (Input) of ICBase-4 (74LS90).
  16. Connect Seven segment display 1 to Pin-18 (Output) of ICBase-4 (74LS90).
  17. Connect Seven segment display 1 to Pin-15 (Output) of ICBase-4 (74LS90).
  18. Connect Seven segment display 1 to Pin-14 (Output) of ICBase-4 (74LS90).
  19. Connect Seven segment display 1 to Pin-17 (Output) of ICBase-4 (74LS90).
  20. Connect Pin-1 (Input) of ICBase-4 (74LS90) to Pin-18 (Output) of ICBase-4 (74LS90).
  21. Connect Clock port of 0.5Hz frequency to Pin-20 (Input) of ICBase-4 (74LS90).
  22. Add IC 74LS08 into ICBase-5 (74LS08).
  23. Connect GND Port to Pin-7 (Ground) of ICBase-5 (74LS08).
  24. Connect VCC Port to Pin-20 (VCC) of ICBase-5 (74LS08).
  25. Connect Pin-1 (Input) of ICBase-5 (74LS08) to Pin-15 (Output) of ICBase-4 (74LS90).
  26. Connect Pin-2 (Input) of ICBase-5 (74LS08) to Pin-14 (Output) of ICBase-3 (74LS90).
  27. Connect Pin-2 (Input) of ICBase-3 (74LS90) to Pin-3 (Output) of ICBase-5 (74LS08).
  28. Connect Pin-3 (Input) of ICBase-3 (74LS90) to Pin-3 (Output) of ICBase-5 (74LS08).
  29. Connect Pin-2 (Input) of ICBase-4 (74LS90) to Pin-3 (Output) of ICBase-5 (74LS08).
  30. Connect Pin-3 (Input) of ICBase-4 (74LS90) to Pin-3 (Output) of ICBase-5 (74LS08).
  31. Connect Pin-20 (Input) of ICBase-3 (74LS90) to Pin-17 (Output) of ICBase-4 (74LS90).