4 bit parallel adder / subtractor

1NH19ME023
1NH19ME023 BISHAL GHOSH
• Created on Apr 2, 2021 • 0 • 0 • 2
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4 bit parallel adder / subtractor
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Integrated Circuits Used

74LS83 74LS86

Description

7483 4 bit full adder 7486 xor

Procedure

  1. Connect Input-4 to Pin-1 (Input) of ICBase-1 (74LS83).
  2. Connect Input-3 to Pin-3 (Input) of ICBase-1 (74LS83).
  3. Connect Input-2 to Pin-8 (Input) of ICBase-1 (74LS83).
  4. Connect Input-1 to Pin-14 (Input) of ICBase-1 (74LS83).
  5. Connect Input-11 to Pin-2 (Input) of ICBase-2 (74LS86).
  6. Connect Input-11 to Pin-5 (Input) of ICBase-2 (74LS86).
  7. Connect Input-11 to Pin-16 (Input) of ICBase-2 (74LS86).
  8. Connect Input-11 to Pin-19 (Input) of ICBase-2 (74LS86).
  9. Connect Input-11 to Pin-17 (Input) of ICBase-1 (74LS83).
  10. Connect Input-9 to Pin-1 (Input) of ICBase-2 (74LS86).
  11. Connect Input-8 to Pin-4 (Input) of ICBase-2 (74LS86).
  12. Connect Input-7 to Pin-15 (Input) of ICBase-2 (74LS86).
  13. Connect Input-6 to Pin-18 (Input) of ICBase-2 (74LS86).
  14. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS83).
  15. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS83).
  16. Connect Output-4 to Pin-18 (Output) of ICBase-1 (74LS83).
  17. Add IC 74LS83 into ICBase-1 (74LS83).
  18. Add IC 74LS86 into ICBase-2 (74LS86).
  19. Connect Pin-20 (Input) of ICBase-1 (74LS83) to Pin-3 (Output) of ICBase-2 (74LS86).
  20. Connect Pin-4 (Input) of ICBase-1 (74LS83) to Pin-6 (Output) of ICBase-2 (74LS86).
  21. Connect Pin-7 (Input) of ICBase-1 (74LS83) to Pin-14 (Output) of ICBase-2 (74LS86).
  22. Connect Pin-15 (Input) of ICBase-1 (74LS83) to Pin-17 (Output) of ICBase-2 (74LS86).
  23. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS86).
  24. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS86).
  25. Connect Output-3 to Pin-19 (Output) of ICBase-1 (74LS83).
  26. Connect Output-2 to Pin-2 (Output) of ICBase-1 (74LS83).
  27. Connect Output-1 to Pin-6 (Output) of ICBase-1 (74LS83).
  28. Connect Output-0 to Pin-13 (Output) of ICBase-1 (74LS83).