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Utkarsh Rathod
Utkarsh Rathod
• Created on Sep 23, 2025 • 0 • 0 • 1
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Integrated Circuits Used

74LS138

Procedure

  1. Add IC 74LS138 into ICBase-1 (74LS138).
  2. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS138).
  3. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS138).
  4. Connect Input-11 to Pin-6 (Input) of ICBase-1 (74LS138).
  5. Connect Input-12 to Pin-5 (Input) of ICBase-1 (74LS138).
  6. Connect Input-13 to Pin-4 (Input) of ICBase-1 (74LS138).
  7. Connect Input-2 to Pin-3 (Input) of ICBase-1 (74LS138).
  8. Connect Input-1 to Pin-2 (Input) of ICBase-1 (74LS138).
  9. Connect Input-0 to Pin-1 (Input) of ICBase-1 (74LS138).
  10. Connect Pin-1 (Input & Output) of ICBase-2 to Pin-15 (Output) of ICBase-1 (74LS138).
  11. Connect Pin-2 (Input & Output) of ICBase-2 to Pin-14 (Output) of ICBase-1 (74LS138).
  12. Connect Pin-4 (Input & Output) of ICBase-2 to Pin-13 (Output) of ICBase-1 (74LS138).
  13. Connect Pin-5 (Input & Output) of ICBase-2 to Pin-7 (Output) of ICBase-1 (74LS138).
  14. Connect Output-0 to Pin-6 (Input & Output) of ICBase-2.
  15. Connect GND Port to Pin-7 (Input & Output) of ICBase-2.
  16. Connect VCC Port to Pin-20 (Input & Output) of ICBase-2.
  17. Connect Pin-19 (Input & Output) of ICBase-2 to Pin-17 (Output) of ICBase-1 (74LS138).
  18. Connect Pin-16 (Output) of ICBase-1 (74LS138) to Pin-18 (Input & Output) of ICBase-2.
  19. Connect Pin-16 (Input & Output) of ICBase-2 to Pin-15 (Output) of ICBase-1 (74LS138).
  20. Connect Pin-15 (Input & Output) of ICBase-2 to Pin-14 (Output) of ICBase-1 (74LS138).
  21. Connect Output-1 to Pin-14 (Input & Output) of ICBase-2.
  22. Connect GND Port to Pin-7 (Input & Output) of ICBase-3.
  23. Connect VCC Port to Pin-20 (Input & Output) of ICBase-3.
  24. Connect Pin-1 (Input & Output) of ICBase-3 to Pin-18 (Output) of ICBase-1 (74LS138).
  25. Connect Pin-2 (Input & Output) of ICBase-3 to Pin-17 (Output) of ICBase-1 (74LS138).
  26. Connect Pin-4 (Input & Output) of ICBase-3 to Pin-14 (Output) of ICBase-1 (74LS138).
  27. Connect Pin-5 (Input & Output) of ICBase-3 to Pin-13 (Output) of ICBase-1 (74LS138).
  28. Connect Output-2 to Pin-6 (Input & Output) of ICBase-3.