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Prachi
Prachi Jadhav
• Created on Sep 9, 2025 • 0 • 0 • 3
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Integrated Circuits Used

74LS90 74LS11 74LS32

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  3. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  4. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-1 (74LS90).
  5. Connect Pin-1 (Input) of ICBase-1 (74LS90) to Pin-18 (Output) of ICBase-1 (74LS90).
  6. Connect Pin-2 (Input) of ICBase-2 (74LS11) to Pin-15 (Output) of ICBase-1 (74LS90).
  7. Connect Pin-1 (Input) of ICBase-2 (74LS11) to Pin-18 (Output) of ICBase-1 (74LS90).
  8. Connect Pin-3 (Input) of ICBase-2 (74LS11) to Pin-14 (Output) of ICBase-1 (74LS90).
  9. Add IC 74LS11 into ICBase-2 (74LS11).
  10. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Pin-4 (Input) of ICBase-2 (74LS11).
  11. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Pin-17 (Output) of ICBase-1 (74LS90).
  12. Add IC 74LS32 into ICBase-3 (74LS32).
  13. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS11).
  14. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS11).
  15. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS32).
  16. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS32).
  17. Connect Output-3 to Pin-18 (Output) of ICBase-1 (74LS90).
  18. Connect Output-2 to Pin-15 (Output) of ICBase-1 (74LS90).
  19. Connect Output-1 to Pin-14 (Output) of ICBase-1 (74LS90).
  20. Connect Output-0 to Pin-17 (Output) of ICBase-1 (74LS90).
  21. Connect Pin-3 (Output) of ICBase-3 (74LS32) to Pin-2 (Input) of ICBase-1 (74LS90).
  22. Connect Pin-3 (Output) of ICBase-3 (74LS32) to Pin-3 (Input) of ICBase-1 (74LS90).