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Kritika Sharma
Kritika Sharma
• Created on Oct 13, 2025 • 0 • 0 • 2
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Integrated Circuits Used

74LS138 74LS20

Procedure

  1. Add IC 74LS138 into ICBase-1 (74LS138).
  2. Add IC 74LS20 into ICBase-2 (74LS20).
  3. Connect VCC Port to Pin-20 (Input & Output) of ICBase-3.
  4. Connect Input-0 to Pin-1 (Input) of ICBase-1 (74LS138).
  5. Connect Input-1 to Pin-2 (Input) of ICBase-1 (74LS138).
  6. Connect Input-2 to Pin-3 (Input) of ICBase-1 (74LS138).
  7. Connect Pin-1 (Input) of ICBase-2 (74LS20) to Pin-20 (VCC) of ICBase-1 (74LS138).
  8. Connect Pin-2 (Input) of ICBase-2 (74LS20) to Pin-17 (Output) of ICBase-1 (74LS138).
  9. Connect GND Port to Pin-5 (Input) of ICBase-1 (74LS138).
  10. Connect GND Port to Pin-7 (Input & Output) of ICBase-3.
  11. Connect GND Port to Pin-13 (Output) of ICBase-1 (74LS138).