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Virendra Gavali
Virendra Gavali
• Created on Sep 26, 2025 • 0 • 0 • 2
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Integrated Circuits Used

74LS139 74LS04

Procedure

  1. Add IC 74LS139 into ICBase-2 (74LS139).
  2. Connect GND Port to Pin-8 (Ground) of ICBase-2 (74LS139).
  3. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS139).
  4. Add IC 74LS04 into ICBase-1 (74LS04).
  5. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS04).
  6. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS04).
  7. Connect GND Port to Pin-1 (Input) of ICBase-2 (74LS139).
  8. Add IC 74LS04 into ICBase-3 (74LS04).
  9. Connect Pin-4 (Output) of ICBase-2 (74LS139) to Pin-1 (Input) of ICBase-1 (74LS04).
  10. Connect Input-0 to Pin-2 (Input) of ICBase-2 (74LS139).
  11. Connect Input-1 to Pin-3 (Input) of ICBase-2 (74LS139).
  12. Connect Input-2 to Pin-1 (Input) of ICBase-3 (74LS04).
  13. Connect Output-0 to Pin-2 (Output) of ICBase-1 (74LS04).
  14. Connect Pin-5 (Output) of ICBase-2 (74LS139) to Pin-3 (Input) of ICBase-1 (74LS04).
  15. Connect Output-1 to Pin-4 (Output) of ICBase-1 (74LS04).
  16. Connect Pin-6 (Output) of ICBase-2 (74LS139) to Pin-5 (Input) of ICBase-1 (74LS04).
  17. Connect Output-2 to Pin-6 (Output) of ICBase-1 (74LS04).
  18. Connect Output-3 to Pin-14 (Output) of ICBase-1 (74LS04).
  19. Connect Pin-15 (Input) of ICBase-1 (74LS04) to Pin-7 (Output) of ICBase-2 (74LS139).
  20. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS04).
  21. Connect Pin-20 (VCC) of ICBase-3 (74LS04) to VCC Port.
  22. Connect Output-4 to Pin-2 (Output) of ICBase-3 (74LS04).
  23. Connect Pin-13 (Output) of ICBase-2 (74LS139) to Pin-3 (Input) of ICBase-3 (74LS04).
  24. Connect Output-5 to Pin-4 (Output) of ICBase-3 (74LS04).
  25. Connect Pin-14 (Output) of ICBase-2 (74LS139) to Pin-5 (Input) of ICBase-3 (74LS04).
  26. Connect Output-6 to Pin-6 (Output) of ICBase-3 (74LS04).
  27. Connect Pin-15 (Input) of ICBase-3 (74LS04) to Pin-15 (Output) of ICBase-2 (74LS139).
  28. Connect Output-7 to Pin-14 (Output) of ICBase-3 (74LS04).
  29. Connect Input-2 to Pin-1 (Input) of ICBase-2 (74LS139).