3x8 Decoder Using 3x8 Decoder IC

Saurav
Saurav Wani
Created on Aug 29, 2025 0 0 1
3x8 Decoder Using 3x8 Decoder IC
100%

Integrated Circuits Used

Procedure

  1. Add IC 74LS138 into ICBase-1 (74LS138).
  2. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS138).
  3. Connect Pin-20 (VCC) of ICBase-1 (74LS138) to VCC Port.
  4. Connect Pin-1 (Input) of ICBase-1 (74LS138) to Input-15.
  5. Connect Input-14 to Pin-2 (Input) of ICBase-1 (74LS138).
  6. Connect Pin-3 (Input) of ICBase-1 (74LS138) to Input-13.
  7. Connect Output-15 to Pin-7 (Output) of ICBase-1 (74LS138).
  8. Connect Output-14 to Pin-13 (Output) of ICBase-1 (74LS138).
  9. Connect Output-13 to Pin-14 (Output) of ICBase-1 (74LS138).
  10. Connect Output-12 to Pin-15 (Output) of ICBase-1 (74LS138).
  11. Connect Output-11 to Pin-16 (Output) of ICBase-1 (74LS138).
  12. Connect Pin-17 (Output) of ICBase-1 (74LS138) to Output-10.
  13. Connect Output-9 to Pin-18 (Output) of ICBase-1 (74LS138).
  14. Connect Pin-19 (Output) of ICBase-1 (74LS138) to Output-8.