decoder - Copy

Aditi
Aditi Tangri
• Created on Nov 4, 2024 • 0 • 0 • 3
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decoder - Copy
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Integrated Circuits Used

74LS139 74LS04 74LS20

Description

full subtractor using decoder

Procedure

  1. Connect Input-12 to Pin-2 (Input) of ICBase-1 (74LS139).
  2. Connect Pin-3 (Input) of ICBase-1 (74LS139) to Input-11.
  3. Connect Pin-20 (VCC) of ICBase-1 (74LS139) to VCC Port.
  4. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS20).
  5. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS20).
  6. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS139).
  7. Connect GND Port to Pin-7 (Input & Output) of ICBase-4.
  8. Connect Input-13 to Pin-1 (Input) of ICBase-1 (74LS139).
  9. Add IC 74LS139 into ICBase-1 (74LS139).
  10. Connect Pin-5 (Output) of ICBase-1 (74LS139) to Pin-2 (Input) of ICBase-2 (74LS20).
  11. Connect Output-6 to Pin-6 (Output) of ICBase-2 (74LS20).
  12. Connect Pin-4 (Input) of ICBase-2 (74LS20) to ICBase-1 (74LS139).
  13. Add IC 74LS04 into ICBase-3 (74LS04).
  14. Connect Pin-1 (Input) of ICBase-3 (74LS04) to Input-13.
  15. Connect Pin-19 (Input) of ICBase-1 (74LS139) to Pin-2 (Output) of ICBase-3 (74LS04).
  16. Connect Pin-18 (Input) of ICBase-1 (74LS139) to Input-12.
  17. Connect Pin-17 (Input) of ICBase-1 (74LS139) to Input-11.
  18. Connect Pin-5 (Output) of ICBase-1 (74LS139) to Pin-18 (Input) of ICBase-2 (74LS20).
  19. Connect Pin-19 (Input) of ICBase-2 (74LS20) to Pin-6 (Output) of ICBase-1 (74LS139).
  20. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS04).
  21. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS04).
  22. Connect Output-5 to Pin-14 (Output) of ICBase-2 (74LS20).
  23. Connect Pin-16 (Input) of ICBase-2 (74LS20) to ICBase-1 (74LS139).
  24. Connect Pin-18 (Input) of ICBase-2 (74LS20) to ICBase-1 (74LS139).
  25. Connect VCC Port to ICBase-3 (74LS04).
  26. Add IC 74LS20 into ICBase-2 (74LS20).
  27. Connect Pin-16 (Input) of ICBase-2 (74LS20) to Pin-7 (Output) of ICBase-1 (74LS139).
  28. Connect Pin-15 (Input) of ICBase-2 (74LS20) to Pin-13 (Output) of ICBase-1 (74LS139).
  29. Connect Pin-4 (Input) of ICBase-2 (74LS20) to Pin-16 (Output) of ICBase-1 (74LS139).
  30. Connect Pin-5 (Output) of ICBase-1 (74LS139) to Pin-1 (Input) of ICBase-2 (74LS20).
  31. Connect Pin-5 (Input) of ICBase-2 (74LS20) to Pin-13 (Output) of ICBase-1 (74LS139).
  32. Connect Pin-13 (Output) of ICBase-1 (74LS139) to ICBase-2 (74LS20).