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sandip
• Created on Aug 5, 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-3 (74LS20).
  3. Connect Input-13 to Pin-1 (Input) of ICBase-1 (74LS138).
  4. Connect Input-14 to Pin-2 (Input) of ICBase-1 (74LS138).
  5. Connect Input-15 to Pin-3 (Input) of ICBase-1 (74LS138).
  6. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS138).
  7. Connect GND Port to Pin-4 (Input) of ICBase-1 (74LS138).
  8. Connect GND Port to Pin-5 (Input) of ICBase-1 (74LS138).
  9. Connect VCC Port to Pin-6 (Input) of ICBase-1 (74LS138).
  10. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS138).
  11. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS20).
  12. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS20).
  13. Connect Pin-18 (Output) of ICBase-1 (74LS138) to Pin-1 (Input) of ICBase-3 (74LS20).
  14. Connect Pin-17 (Output) of ICBase-1 (74LS138) to Pin-2 (Input) of ICBase-3 (74LS20).
  15. Connect Pin-15 (Output) of ICBase-1 (74LS138) to Pin-3 (Input & Output) of ICBase-3 (74LS20).
  16. Connect Pin-7 (Output) of ICBase-1 (74LS138) to Pin-4 (Input) of ICBase-3 (74LS20).
  17. Connect Output-10 to Pin-6 (Output) of ICBase-3 (74LS20).