4 bit parallel adder or subtractor

Tejal
Tejal kodagali
• Created on Feb 21, 2021 • 0 • 0 • 2
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4 bit parallel adder or subtractor
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Integrated Circuits Used

74LS83 74LS86

Procedure

  1. Connect Input-12 to Pin-8 (Input) of ICBase-1 (74LS83).
  2. Connect Input-11 to Pin-14 (Input) of ICBase-1 (74LS83).
  3. Connect Pin-17 (Input) of ICBase-1 (74LS83) to Input-4.
  4. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS86).
  5. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS86).
  6. Connect Input-4 to Pin-1 (Input) of ICBase-2 (74LS86).
  7. Connect Input-9 to Pin-2 (Input) of ICBase-2 (74LS86).
  8. Connect Pin-20 (Input) of ICBase-1 (74LS83) to Pin-3 (Output) of ICBase-2 (74LS86).
  9. Connect Pin-4 (Input) of ICBase-2 (74LS86) to Input-4.
  10. Connect Input-8 to Pin-5 (Input) of ICBase-2 (74LS86).
  11. Connect Pin-4 (Input) of ICBase-1 (74LS83) to Pin-6 (Output) of ICBase-2 (74LS86).
  12. Connect Pin-15 (Input) of ICBase-2 (74LS86) to Input-4.
  13. Connect Input-7 to Pin-16 (Input) of ICBase-2 (74LS86).
  14. Connect Pin-7 (Input) of ICBase-1 (74LS83) to Pin-14 (Output) of ICBase-2 (74LS86).
  15. Connect Input-4 to Pin-18 (Input) of ICBase-2 (74LS86).
  16. Connect Input-6 to Pin-19 (Input) of ICBase-2 (74LS86).
  17. Connect Output-10 to Pin-18 (Output) of ICBase-1 (74LS83).
  18. Connect Output-9 to Pin-19 (Output) of ICBase-1 (74LS83).
  19. Connect Output-8 to Pin-2 (Output) of ICBase-1 (74LS83).
  20. Connect Output-7 to Pin-6 (Output) of ICBase-1 (74LS83).
  21. Connect Output-6 to Pin-13 (Output) of ICBase-1 (74LS83).
  22. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS83).
  23. Connect Pin-15 (Input) of ICBase-1 (74LS83) to Pin-17 (Output) of ICBase-2 (74LS86).
  24. Add IC 74LS83 into ICBase-1 (74LS83).
  25. Add IC 74LS86 into ICBase-2 (74LS86).
  26. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS83).
  27. Connect Input-14 to Pin-1 (Input) of ICBase-1 (74LS83).
  28. Connect Input-13 to Pin-3 (Input) of ICBase-1 (74LS83).