Adder (74139)

Rohit
Rohit haldi
• Created on Mar 25, 2024 • 0 • 0 • 3
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Adder (74139)
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Integrated Circuits Used

74LS139 74LS20 74LS04

Description

Implementing full adder using Demux ic 74139

Procedure

  1. Add IC 74LS139 into ICBase-1 (74LS139).
  2. Add IC 74LS20 into ICBase-2 (74LS20).
  3. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS139).
  4. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS20).
  5. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS139).
  6. Connect Pin-7 (Ground) of ICBase-2 (74LS20) to GND Port.
  7. Connect Input-0 to Pin-2 (Input) of ICBase-1 (74LS139).
  8. Connect Input-1 to Pin-3 (Input) of ICBase-1 (74LS139).
  9. Connect Pin-1 (Input) of ICBase-2 (74LS20) to Pin-5 (Output) of ICBase-1 (74LS139).
  10. Connect Pin-2 (Input) of ICBase-2 (74LS20) to Pin-6 (Output) of ICBase-1 (74LS139).
  11. Connect Pin-4 (Input) of ICBase-2 (74LS20) to Pin-16 (Output) of ICBase-1 (74LS139).
  12. Connect Pin-5 (Input) of ICBase-2 (74LS20) to Pin-13 (Output) of ICBase-1 (74LS139).
  13. Connect Output-0 to Pin-6 (Output) of ICBase-2 (74LS20).
  14. Connect Pin-19 (Input) of ICBase-2 (74LS20) to Pin-7 (Output) of ICBase-1 (74LS139).
  15. Connect Pin-18 (Input) of ICBase-2 (74LS20) to Pin-15 (Output) of ICBase-1 (74LS139).
  16. Connect Pin-16 (Input) of ICBase-2 (74LS20) to Pin-14 (Output) of ICBase-1 (74LS139).
  17. Connect Pin-15 (Input) of ICBase-2 (74LS20) to Pin-13 (Output) of ICBase-1 (74LS139).
  18. Connect Output-1 to Pin-14 (Output) of ICBase-2 (74LS20).
  19. Connect Pin-1 (Input) of ICBase-1 (74LS139) to Input-2.
  20. Connect Input-0 to Pin-18 (Input) of ICBase-1 (74LS139).
  21. Connect Input-1 to Pin-17 (Input) of ICBase-1 (74LS139).
  22. Connect VCC Port to ICBase-1 (74LS139).
  23. Add IC 74LS04 into ICBase-3 (74LS04).
  24. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS04).
  25. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS04).
  26. Connect Pin-1 (Input) of ICBase-3 (74LS04) to Input-2.
  27. Connect Pin-19 (Input) of ICBase-1 (74LS139) to Pin-2 (Output) of ICBase-3 (74LS04).
  28. Connect Seven segment display 1 to Pin-6 (Output) of ICBase-2 (74LS20).
  29. Connect Seven segment display 2 to Pin-14 (Output) of ICBase-2 (74LS20).