2x4 decoder

Sangayan
Sangayan Uke
• Created on Aug 26, 2025 • 0 • 0 • 2
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2x4 decoder
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Integrated Circuits Used

74LS139 74LS32

Procedure

  1. Add IC 74LS139 into ICBase-1 (74LS139).
  2. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS139).
  3. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS139).
  4. Connect Output-15 to Pin-7 (Output) of ICBase-1 (74LS139).
  5. Connect Input-15 to Pin-1 (Input) of ICBase-1 (74LS139).
  6. Connect Input-14 to Pin-2 (Input) of ICBase-1 (74LS139).
  7. Connect Output-14 to Pin-13 (Output) of ICBase-1 (74LS139).
  8. Connect Pin-1 (Input) of ICBase-2 (74LS32) to Pin-14 (Output) of ICBase-1 (74LS139).
  9. Connect Pin-2 (Input) of ICBase-2 (74LS32) to Pin-15 (Output) of ICBase-1 (74LS139).
  10. Add IC 74LS32 into ICBase-2 (74LS32).
  11. Connect Output-13 to Pin-16 (Output) of ICBase-1 (74LS139).
  12. Connect Input-13 to Pin-3 (Input) of ICBase-1 (74LS139).
  13. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS32).
  14. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS32).
  15. Connect Output-12 to Pin-3 (Output) of ICBase-2 (74LS32).