25070_Suhas_Palve_Assignment_#4 - Copy - Copy

Soniya
Soniya Dhekle
• Created on Oct 20, 2021 • 0 • 0 • 3
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25070_Suhas_Palve_Assignment_#4 - Copy - Copy
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Integrated Circuits Used

74LS138 74LS04 74LS32

Description

Design and implement full subtractor using decoder IC 74138

Procedure

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