Demux

Shital
Shital Shirole
• Created on Dec 14, 2020 • 0 • 0 • 2
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Demux
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Integrated Circuits Used

74LS20 74LS139

Procedure

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