demux 74138

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Original User
• Created on Dec 16, 2024 • 1 • 0 • 3
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demux 74138
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Integrated Circuits Used

74LS138 74LS32 74LS04

Procedure

  1. Connect Pin-8 (Ground) of ICBase-1 (74LS138) to GND Port.
  2. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS138).
  3. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS32).
  4. Connect Pin-20 (VCC) of ICBase-3 (74LS32) to VCC Port.
  5. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS32).
  6. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS32).
  7. Connect Pin-5 (Input) of ICBase-1 (74LS138) to GND Port.
  8. Connect GND Port to Pin-4 (Input) of ICBase-1 (74LS138).
  9. Connect VCC Port to Pin-6 (Input) of ICBase-1 (74LS138).
  10. Connect Pin-1 (Input) of ICBase-1 (74LS138) to Input-0.
  11. Connect Pin-2 (Input) of ICBase-1 (74LS138) to Input-1.
  12. Connect Pin-3 (Input) of ICBase-1 (74LS138) to Input-2.
  13. Connect Pin-20 (VCC) of ICBase-4 (74LS04) to VCC Port.
  14. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS04).
  15. Connect Pin-1 (Input) of ICBase-4 (74LS04) to Pin-18 (Output) of ICBase-1 (74LS138).
  16. Connect Pin-3 (Input) of ICBase-4 (74LS04) to Pin-17 (Output) of ICBase-1 (74LS138).
  17. Connect Pin-5 (Input) of ICBase-4 (74LS04) to Pin-16 (Output) of ICBase-1 (74LS138).
  18. Connect Pin-19 (Input) of ICBase-4 (74LS04) to Pin-15 (Output) of ICBase-1 (74LS138).
  19. Connect Pin-17 (Input) of ICBase-4 (74LS04) to Pin-7 (Output) of ICBase-1 (74LS138).
  20. Connect Pin-1 (Input) of ICBase-2 (74LS32) to Pin-2 (Output) of ICBase-4 (74LS04).
  21. Connect Pin-2 (Input) of ICBase-2 (74LS32) to Pin-4 (Output) of ICBase-4 (74LS04).
  22. Connect Pin-19 (Input) of ICBase-2 (74LS32) to Pin-3 (Output) of ICBase-2 (74LS32).
  23. Connect Pin-4 (Input) of ICBase-2 (74LS32) to Pin-18 (Output) of ICBase-4 (74LS04).
  24. Connect Pin-5 (Input) of ICBase-2 (74LS32) to Pin-16 (Output) of ICBase-4 (74LS04).
  25. Connect Pin-18 (Input) of ICBase-2 (74LS32) to Pin-6 (Output) of ICBase-2 (74LS32).
  26. Connect Output-0 to Pin-17 (Output) of ICBase-2 (74LS32).
  27. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Pin-2 (Output) of ICBase-4 (74LS04).
  28. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Pin-4 (Output) of ICBase-4 (74LS04).
  29. Connect Pin-19 (Input) of ICBase-3 (74LS32) to Pin-3 (Output) of ICBase-3 (74LS32).
  30. Connect Pin-4 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-4 (74LS04).
  31. Connect Pin-5 (Input) of ICBase-3 (74LS32) to Pin-16 (Output) of ICBase-4 (74LS04).
  32. Connect Pin-18 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-3 (74LS32).
  33. Connect Output-1 to Pin-17 (Output) of ICBase-3 (74LS32).
  34. Add IC 74LS138 into ICBase-1 (74LS138).
  35. Add IC 74LS32 into ICBase-2 (74LS32).
  36. Add IC 74LS32 into ICBase-3 (74LS32).
  37. Add IC 74LS04 into ICBase-4 (74LS04).