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Pratham
Pratham Patil
• Created on Nov 1, 2025 • 0 • 0 • 2
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Integrated Circuits Used

74LS138 74LS20

Procedure

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