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