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Jay Kulkarni
Jay Kulkarni
• Created on Oct 15, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS90

Procedure

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