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tanishka
tanishka
• Created on Apr 24, 2026 • 0 • 0 • 2
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Integrated Circuits Used

74LS138 74LS20

Procedure

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