2x1 miultiplexer

radhika
radhika narayamkar
• Created on Mar 24, 2025 • 0 • 0 • 2
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2x1 miultiplexer
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Integrated Circuits Used

74LS04 74LS21

Description

2X1 miultiplexer

Procedure

  1. Connect Pin-20 (VCC) of ICBase-3 (74LS21) to VCC Port.
  2. Connect Pin-20 (VCC) of ICBase-2 (74LS21) to VCC Port.
  3. Connect Pin-20 (VCC) of ICBase-1 (74LS04) to VCC Port.
  4. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS04).
  5. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS21).
  6. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS21).
  7. Add IC 74LS04 into ICBase-1 (74LS04).
  8. Add IC 74LS21 into ICBase-2 (74LS21).
  9. Add IC 74LS21 into ICBase-3 (74LS21).
  10. Connect Input-1 to Pin-1 (Input) of ICBase-1 (74LS04).
  11. Connect Input-2 to Pin-3 (Input) of ICBase-1 (74LS04).
  12. Connect Pin-1 (Input) of ICBase-2 (74LS21) to Pin-2 (Output) of ICBase-1 (74LS04).
  13. Connect Pin-2 (Input) of ICBase-2 (74LS21) to Pin-4 (Output) of ICBase-1 (74LS04).
  14. Connect Input-3 to Pin-4 (Input) of ICBase-2 (74LS21).
  15. Connect Input-4 to Pin-5 (Input) of ICBase-2 (74LS21).
  16. Connect Input-1 to Pin-19 (Input) of ICBase-2 (74LS21).
  17. Connect Pin-18 (Input) of ICBase-2 (74LS21) to Pin-4 (Output) of ICBase-1 (74LS04).
  18. Connect Input-3 to Pin-16 (Input) of ICBase-2 (74LS21).
  19. Connect Input-4 to Pin-15 (Input) of ICBase-2 (74LS21).
  20. Connect Pin-2 (Output) of ICBase-1 (74LS04) to Pin-1 (Input) of ICBase-3 (74LS21).
  21. Connect Input-2 to Pin-2 (Input) of ICBase-3 (74LS21).
  22. Connect Input-3 to Pin-4 (Input) of ICBase-3 (74LS21).
  23. Connect Input-4 to Pin-5 (Input) of ICBase-3 (74LS21).
  24. Connect Input-1 to Pin-19 (Input) of ICBase-3 (74LS21).
  25. Connect Input-2 to Pin-18 (Input) of ICBase-3 (74LS21).
  26. Connect Input-3 to Pin-16 (Input) of ICBase-3 (74LS21).
  27. Connect Pin-15 (Input) of ICBase-3 (74LS21) to Input-4.
  28. Connect Output-1 to Pin-6 (Output) of ICBase-2 (74LS21).
  29. Connect Output-2 to Pin-8 (Input & Output) of ICBase-2 (74LS21).
  30. Connect Output-3 to Pin-6 (Output) of ICBase-3 (74LS21).
  31. Connect Pin-17 (Input & Output) of ICBase-3 (74LS21) to Output-4.
  32. Connect Input-4 to ICBase-3 (74LS21).