2:4 decoder using logic gates

Zubiya
Zubiya Shaikh
• Created on May 6, 2021 • 0 • 0 • 2
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2:4 decoder using logic gates
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Integrated Circuits Used

74LS04 74LS08

Description

A1=i/p section pin no. 15 A2=i/p section pin no 13 D0=o/p section pin no 0 D1=o/p section pin no 1 D2=o/p section pin no 2 D3=o/p section pin no 3

Procedure

  1. Add IC 74LS04 into ICBase-1 (74LS04).
  2. Add IC 74LS08 into ICBase-2 (74LS08).
  3. Connect Pin-1 (Input) of ICBase-1 (74LS04) to Input-15.
  4. Connect Pin-3 (Input) of ICBase-1 (74LS04) to Input-13.
  5. Connect Pin-2 (Output) of ICBase-1 (74LS04) to Pin-1 (Input) of ICBase-2 (74LS08).
  6. Connect Pin-2 (Input) of ICBase-2 (74LS08) to Pin-4 (Output) of ICBase-1 (74LS04).
  7. Connect Output-0 to Pin-3 (Output) of ICBase-2 (74LS08).
  8. Connect Pin-4 (Input) of ICBase-2 (74LS08) to Pin-2 (Output) of ICBase-1 (74LS04).
  9. Connect Pin-5 (Input) of ICBase-2 (74LS08) to Input-13.
  10. Connect Output-1 to Pin-6 (Output) of ICBase-2 (74LS08).
  11. Connect Pin-16 (Input) of ICBase-2 (74LS08) to Input-15.
  12. Connect Pin-15 (Input) of ICBase-2 (74LS08) to Pin-4 (Output) of ICBase-1 (74LS04).
  13. Connect Output-2 to Pin-14 (Output) of ICBase-2 (74LS08).
  14. Connect Input-15 to Pin-19 (Input) of ICBase-2 (74LS08).
  15. Connect Input-13 to Pin-18 (Input) of ICBase-2 (74LS08).
  16. Connect Output-3 to Pin-17 (Output) of ICBase-2 (74LS08).
  17. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS04).
  18. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS04).
  19. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).
  20. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).