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Mohit bang
Mohit bang
• Created on Apr 22, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS90

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Add IC 74LS90 into ICBase-2 (74LS90).
  3. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  4. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  5. Connect Pin-1 (Input) of ICBase-1 (74LS90) to Pin-18 (Output) of ICBase-1 (74LS90).
  6. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-1 (74LS90).
  7. Connect Output-0 to Pin-18 (Output) of ICBase-1 (74LS90).
  8. Connect Output-1 to Pin-15 (Output) of ICBase-1 (74LS90).
  9. Connect Output-2 to Pin-14 (Output) of ICBase-1 (74LS90).
  10. Connect Output-3 to Pin-17 (Output) of ICBase-1 (74LS90).
  11. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS90).
  12. Connect GND Port to Pin-16 (Ground) of ICBase-2 (74LS90).
  13. Connect Pin-1 (Input) of ICBase-2 (74LS90) to Pin-18 (Output) of ICBase-2 (74LS90).
  14. Connect Pin-20 (Input) of ICBase-2 (74LS90) to Pin-17 (Output) of ICBase-1 (74LS90).
  15. Connect Output-4 to Pin-18 (Output) of ICBase-2 (74LS90).
  16. Connect Output-5 to Pin-15 (Output) of ICBase-2 (74LS90).
  17. Connect Output-6 to Pin-14 (Output) of ICBase-2 (74LS90).
  18. Connect Output-7 to Pin-17 (Output) of ICBase-2 (74LS90).
  19. Connect Seven segment display 2 to Pin-18 (Output) of ICBase-1 (74LS90).
  20. Connect Seven segment display 2 to Pin-17 (Output) of ICBase-1 (74LS90).
  21. Connect Seven segment display 1 to Pin-18 (Output) of ICBase-2 (74LS90).
  22. Connect Seven segment display 1 to Pin-17 (Output) of ICBase-2 (74LS90).
  23. Connect Pin-2 (Input) of ICBase-1 (74LS90) to Input-0.
  24. Connect Pin-3 (Input) of ICBase-1 (74LS90) to Input-1.
  25. Connect Pin-4 (Input & Output) of ICBase-1 (74LS90) to Input-2.
  26. Connect Pin-6 (Input) of ICBase-1 (74LS90) to Input-3.
  27. Connect Pin-2 (Input) of ICBase-2 (74LS90) to Input-4.
  28. Connect Pin-3 (Input) of ICBase-2 (74LS90) to Input-5.
  29. Connect Pin-4 (Input & Output) of ICBase-2 (74LS90) to Input-6.