decoder subtractor

shraddha
shraddha chaudhari
• Created on Nov 5, 2024 • 0 • 0 • 3
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decoder subtractor
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Integrated Circuits Used

74LS138 74LS08 74LS00

Procedure

  1. Connect VCC Port to Pin-6 (Input) of ICBase-1 (74LS138).
  2. Connect GND Port to Pin-4 (Input) of ICBase-1 (74LS138).
  3. Connect GND Port to Pin-5 (Input) of ICBase-1 (74LS138).
  4. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS138).
  5. Connect Pin-20 (VCC) of ICBase-1 (74LS138) to VCC Port.
  6. Connect Pin-17 (Output) of ICBase-1 (74LS138) to Pin-1 (Input) of ICBase-2 (74LS08).
  7. Connect Pin-2 (Input) of ICBase-2 (74LS08) to Pin-18 (Output) of ICBase-1 (74LS138).
  8. Connect Pin-1 (Input) of ICBase-3 (74LS00) to Pin-3 (Output) of ICBase-2 (74LS08).
  9. Connect Pin-4 (Input) of ICBase-2 (74LS08) to Pin-7 (Output) of ICBase-1 (74LS138).
  10. Connect Pin-5 (Input) of ICBase-2 (74LS08) to Pin-15 (Output) of ICBase-1 (74LS138).
  11. Connect Pin-2 (Input) of ICBase-3 (74LS00) to Pin-6 (Output) of ICBase-2 (74LS08).
  12. Connect Output-2 to Pin-3 (Output) of ICBase-3 (74LS00).
  13. Connect Pin-4 (Input) of ICBase-3 (74LS00) to Pin-3 (Output) of ICBase-2 (74LS08).
  14. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).
  15. Connect Pin-16 (Input) of ICBase-2 (74LS08) to Pin-16 (Output) of ICBase-1 (74LS138).
  16. Connect Pin-15 (Input) of ICBase-2 (74LS08) to Pin-7 (Output) of ICBase-1 (74LS138).
  17. Connect Pin-5 (Input) of ICBase-3 (74LS00) to Pin-14 (Output) of ICBase-2 (74LS08).
  18. Connect Output-1 to Pin-6 (Output) of ICBase-3 (74LS00).
  19. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).
  20. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS00).
  21. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS00).
  22. Connect Input-6 to Pin-3 (Input) of ICBase-1 (74LS138).
  23. Connect Input-5 to Pin-2 (Input) of ICBase-1 (74LS138).
  24. Connect Input-4 to Pin-1 (Input) of ICBase-1 (74LS138).
  25. Add IC 74LS138 into ICBase-1 (74LS138).
  26. Add IC 74LS08 into ICBase-2 (74LS08).
  27. Add IC 74LS00 into ICBase-3 (74LS00).