4 bit add/sub

Shreyaj
Shreyaj Dinesh
• Created on Apr 7, 2025 • 0 • 0 • 2
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4 bit add/sub
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Integrated Circuits Used

74LS83 74LS86

Procedure

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