decoder

Aditi
Aditi Tangri
• Created on Nov 4, 2024 • 0 • 0 • 4
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decoder
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Integrated Circuits Used

74LS138 74LS00 74LS32 74LS04

Description

full subtractor using decoder

Procedure

  1. Add IC 74LS138 into ICBase-1 (74LS138).
  2. Connect Input-13 to Pin-1 (Input) of ICBase-1 (74LS138).
  3. Connect Input-12 to Pin-2 (Input) of ICBase-1 (74LS138).
  4. Connect Pin-3 (Input) of ICBase-1 (74LS138) to Input-11.
  5. Connect GND Port to Pin-4 (Input) of ICBase-1 (74LS138).
  6. Connect Pin-5 (Input) of ICBase-1 (74LS138) to GND Port.
  7. Connect Pin-20 (VCC) of ICBase-1 (74LS138) to VCC Port.
  8. Connect VCC Port to Pin-6 (Input) of ICBase-1 (74LS138).
  9. Connect Input-12 to ICBase-1 (74LS138).
  10. Connect VCC Port to ICBase-1 (74LS138).
  11. Add IC 74LS00 into ICBase-2 (74LS00).
  12. Add IC 74LS32 into ICBase-3 (74LS32).
  13. Connect Pin-18 (Output) of ICBase-1 (74LS138) to Pin-1 (Input) of ICBase-2 (74LS00).
  14. Connect Pin-2 (Input) of ICBase-2 (74LS00) to Pin-17 (Output) of ICBase-1 (74LS138).
  15. Connect Pin-4 (Input) of ICBase-2 (74LS00) to Pin-7 (Output) of ICBase-1 (74LS138).
  16. Connect Pin-5 (Input) of ICBase-2 (74LS00) to Pin-15 (Output) of ICBase-1 (74LS138).
  17. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-2 (74LS00).
  18. Connect Pin-3 (Output) of ICBase-2 (74LS00) to Pin-1 (Input) of ICBase-3 (74LS32).
  19. Connect Output-1 to Pin-3 (Output) of ICBase-3 (74LS32).
  20. Connect Pin-19 (Input) of ICBase-2 (74LS00) to Pin-19 (Output) of ICBase-1 (74LS138).
  21. Connect Pin-18 (Input) of ICBase-2 (74LS00) to Pin-17 (Output) of ICBase-1 (74LS138).
  22. Connect Pin-16 (Input) of ICBase-2 (74LS00) to Pin-7 (Output) of ICBase-1 (74LS138).
  23. Connect Pin-15 (Input) of ICBase-2 (74LS00) to Pin-16 (Output) of ICBase-1 (74LS138).
  24. Connect Pin-4 (Input) of ICBase-3 (74LS32) to Pin-14 (Output) of ICBase-2 (74LS00).
  25. Connect Pin-17 (Output) of ICBase-2 (74LS00) to Pin-5 (Input) of ICBase-3 (74LS32).
  26. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS00).
  27. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS32).
  28. Connect Pin-20 (VCC) of ICBase-3 (74LS32) to VCC Port.
  29. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS00).
  30. Connect GND Port to Pin-8 (Ground) of ICBase-1 (74LS138).
  31. Connect Pin-1 (Input) of ICBase-2 (74LS00) to ICBase-1 (74LS138).
  32. Connect Pin-3 (Output) of ICBase-2 (74LS00) to ICBase-3 (74LS32).
  33. Connect Pin-17 (Output) of ICBase-1 (74LS138) to ICBase-2 (74LS00).
  34. Connect VCC Port to ICBase-3 (74LS32).
  35. Connect VCC Port to ICBase-2 (74LS00).
  36. Add IC 74LS04 into ICBase-4 (74LS04).
  37. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS04).
  38. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS04).
  39. Connect Pin-1 (Input) of ICBase-4 (74LS04) to Pin-6 (Output) of ICBase-3 (74LS32).
  40. Connect Output-2 to Pin-6 (Output) of ICBase-3 (74LS32).
  41. Connect VCC Port to ICBase-4 (74LS04).
  42. Connect Output-5 to ICBase-4 (74LS04).