Full Subtractor 74139 DEMUX

Pratham
Pratham Jain
• Created on Nov 5, 2024 • 0 • 0 • 3
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Full Subtractor 74139 DEMUX
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Integrated Circuits Used

74LS139 74LS04 74LS20

Description

Using 74139 ic

Procedure

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