Full subtractor

Roshan
Roshan J
• Created on Jul 28, 2025 • 0 • 0 • 4
Full subtractor
100%

Integrated Circuits Used

Description

Working changed in the 2 and 7 input

Procedure

  1. Connect Input-13 to Pin-1 (Input) of ICBase-1 (74LS86).
  2. Connect Input-14 to Pin-2 (Input) of ICBase-1 (74LS86).
  3. Connect Pin-4 (Input) of ICBase-1 (74LS86) to Pin-3 (Output) of ICBase-1 (74LS86).
  4. Connect Input-15 to Pin-5 (Input) of ICBase-1 (74LS86).
  5. Connect Output-1 to Pin-6 (Output) of ICBase-1 (74LS86).
  6. Connect Pin-1 (Input) of ICBase-2 (74LS04) to Pin-1 (Input) of ICBase-1 (74LS86).
  7. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Pin-2 (Output) of ICBase-2 (74LS04).
  8. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Pin-2 (Input) of ICBase-1 (74LS86).
  9. Connect Pin-1 (Input) of ICBase-4 (74LS32) to Pin-3 (Output) of ICBase-3 (74LS08).
  10. Connect Pin-4 (Input) of ICBase-3 (74LS08) to Pin-1 (Input) of ICBase-1 (74LS86).
  11. Connect Pin-5 (Input) of ICBase-3 (74LS08) to Pin-2 (Input) of ICBase-1 (74LS86).
  12. Connect Pin-9 (Input & Output) of ICBase-3 (74LS08) to Pin-2 (Input) of ICBase-1 (74LS86).
  13. Connect Pin-10 (Input & Output) of ICBase-3 (74LS08) to Pin-5 (Input) of ICBase-1 (74LS86).
  14. Connect Pin-2 (Input) of ICBase-4 (74LS32) to Pin-6 (Output) of ICBase-3 (74LS08).
  15. Connect Pin-5 (Input) of ICBase-4 (74LS32) to Pin-8 (Input & Output) of ICBase-3 (74LS08).
  16. Connect Pin-4 (Input) of ICBase-4 (74LS32) to Pin-3 (Output) of ICBase-4 (74LS32).
  17. Connect Output-2 to Pin-6 (Output) of ICBase-4 (74LS32).
  18. Connect Pin-7 (Ground) of ICBase-2 (74LS04) to Pin-7 (Ground) of ICBase-1 (74LS86).
  19. Connect Pin-7 (Ground) of ICBase-3 (74LS08) to Pin-7 (Ground) of ICBase-2 (74LS04).
  20. Connect Pin-7 (Ground) of ICBase-4 (74LS32) to Pin-7 (Ground) of ICBase-3 (74LS08).
  21. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS86).
  22. Connect Pin-20 (VCC) of ICBase-2 (74LS04) to Pin-20 (VCC) of ICBase-1 (74LS86).
  23. Connect Pin-20 (VCC) of ICBase-3 (74LS08) to Pin-20 (VCC) of ICBase-2 (74LS04).
  24. Connect Pin-20 (VCC) of ICBase-4 (74LS32) to Pin-20 (VCC) of ICBase-3 (74LS08).
  25. Add IC 74LS86 into ICBase-1 (74LS86).
  26. Add IC 74LS04 into ICBase-2 (74LS04).
  27. Add IC 74LS08 into ICBase-3 (74LS08).
  28. Add IC 74LS32 into ICBase-4 (74LS32).
  29. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS86).