Full Subtractor using IC 74138

Madhuri
Madhuri Bidwe
• Created on Sep 29, 2022 • 0 • 0 • 3
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Full Subtractor using IC 74138
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Integrated Circuits Used

74LS138 74LS08 74LS00

Procedure

  1. Add IC 74LS138 into ICBase-2 (74LS138).
  2. Connect GND Port to Pin-8 (Ground) of ICBase-2 (74LS138).
  3. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS138).
  4. Connect Pin-2 (Input) of ICBase-2 (74LS138) to Input-1.
  5. Connect VCC Port to Pin-6 (Input) of ICBase-2 (74LS138).
  6. Connect GND Port to Pin-4 (Input) of ICBase-2 (74LS138).
  7. Connect GND Port to Pin-5 (Input) of ICBase-2 (74LS138).
  8. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Pin-18 (Output) of ICBase-2 (74LS138).
  9. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Pin-17 (Output) of ICBase-2 (74LS138).
  10. Add IC 74LS08 into ICBase-3 (74LS08).
  11. Add IC 74LS00 into ICBase-4 (74LS00).
  12. Connect Pin-1 (Input) of ICBase-4 (74LS00) to Pin-3 (Output) of ICBase-3 (74LS08).
  13. Connect Pin-4 (Input) of ICBase-3 (74LS08) to Pin-15 (Output) of ICBase-2 (74LS138).
  14. Connect Pin-5 (Input) of ICBase-3 (74LS08) to Pin-7 (Output) of ICBase-2 (74LS138).
  15. Connect Pin-2 (Input) of ICBase-4 (74LS00) to Pin-6 (Output) of ICBase-3 (74LS08).
  16. Connect Pin-16 (Input) of ICBase-3 (74LS08) to Pin-16 (Output) of ICBase-2 (74LS138).
  17. Connect Pin-7 (Output) of ICBase-2 (74LS138) to Pin-15 (Input) of ICBase-3 (74LS08).
  18. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  19. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  20. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS00).
  21. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS00).
  22. Connect Pin-4 (Input) of ICBase-4 (74LS00) to Pin-3 (Output) of ICBase-3 (74LS08).
  23. Connect Pin-14 (Output) of ICBase-3 (74LS08) to Pin-5 (Input) of ICBase-4 (74LS00).
  24. Connect Output-1 to Pin-3 (Output) of ICBase-4 (74LS00).
  25. Connect Pin-6 (Output) of ICBase-4 (74LS00) to Output-0.
  26. Connect Pin-1 (Input) of ICBase-2 (74LS138) to Input-0.
  27. Connect Pin-3 (Input) of ICBase-2 (74LS138) to Input-2.