FULL ADDER

Ganesh
Ganesh Davakhar
• Created on Jul 22, 2025 • 0 • 0 • 3
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FULL ADDER
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Integrated Circuits Used

74LS86 74LS08 74LS32

Description

For inputs A, B, and Cin (carry in): Sum = A ⊕ B ⊕ Cin Cout = (A . B) + ( Cin . (A ⊕ B)

Procedure

  1. Add IC 74LS86 into ICBase-1 (74LS86).
  2. Add IC 74LS08 into ICBase-2 (74LS08).
  3. Connect Input-15 to Pin-1 (Input) of ICBase-1 (74LS86).
  4. Connect Input-14 to Pin-2 (Input) of ICBase-1 (74LS86).
  5. Connect Pin-4 (Input) of ICBase-1 (74LS86) to Pin-3 (Output) of ICBase-1 (74LS86).
  6. Connect Input-13 to Pin-5 (Input) of ICBase-1 (74LS86).
  7. Connect Output-12 to Pin-6 (Output) of ICBase-1 (74LS86).
  8. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS86).
  9. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS86).
  10. Connect Pin-4 (Input) of ICBase-3 (74LS32) to Pin-3 (Output) of ICBase-3 (74LS32).
  11. Connect Input-15 to Pin-1 (Input) of ICBase-2 (74LS08).
  12. Connect Input-14 to Pin-2 (Input) of ICBase-2 (74LS08).
  13. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Pin-3 (Output) of ICBase-2 (74LS08).
  14. Connect Input-14 to Pin-4 (Input) of ICBase-2 (74LS08).
  15. Connect Input-13 to Pin-5 (Input) of ICBase-2 (74LS08).
  16. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-2 (74LS08).
  17. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).
  18. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).
  19. Connect Input-15 to Pin-19 (Input) of ICBase-2 (74LS08).
  20. Connect Input-13 to Pin-18 (Input) of ICBase-2 (74LS08).
  21. Connect Pin-5 (Input) of ICBase-3 (74LS32) to Pin-17 (Output) of ICBase-2 (74LS08).
  22. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS32).
  23. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS32).
  24. Connect Output-11 to Pin-6 (Output) of ICBase-3 (74LS32).
  25. Add IC 74LS32 into ICBase-3 (74LS32).