Full adder using two half adders

Zubiya
Zubiya Shaikh
• Created on May 6, 2021 • 1 • 0 • 3
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Full adder using two half adders
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Integrated Circuits Used

74LS04 74LS08 74LS32

Description

A=i/p section pin no 15 B=i/p section pin no 14 C(in)=i/p section pin no 13 Sum=o/p section pin no 1 Carry(out)=o/p section pin no 0

Procedure

  1. Connect Pin-1 (Input) of ICBase-1 (74LS04) to Input-15.
  2. Connect Pin-3 (Input) of ICBase-1 (74LS04) to Input-14.
  3. Connect Pin-15 (Input) of ICBase-1 (74LS04) to Input-13.
  4. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS04).
  5. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS04).
  6. Connect Pin-1 (Input) of ICBase-2 (74LS08) to Pin-2 (Output) of ICBase-1 (74LS04).
  7. Connect Pin-2 (Input) of ICBase-2 (74LS08) to Input-14.
  8. Connect Pin-4 (Input) of ICBase-2 (74LS08) to Input-15.
  9. Connect Pin-4 (Output) of ICBase-1 (74LS04) to Pin-5 (Input) of ICBase-2 (74LS08).
  10. Connect Pin-1 (Input) of ICBase-4 (74LS32) to Pin-3 (Output) of ICBase-2 (74LS08).
  11. Connect Pin-2 (Input) of ICBase-4 (74LS32) to Pin-6 (Output) of ICBase-2 (74LS08).
  12. Connect Pin-19 (Input) of ICBase-2 (74LS08) to Pin-3 (Output) of ICBase-4 (74LS32).
  13. Connect Pin-18 (Input) of ICBase-2 (74LS08) to Input-13.
  14. Connect Pin-15 (Input) of ICBase-4 (74LS32) to Pin-14 (Output) of ICBase-2 (74LS08).
  15. Connect Pin-16 (Input) of ICBase-4 (74LS32) to Pin-17 (Output) of ICBase-2 (74LS08).
  16. Connect Output-0 to Pin-14 (Output) of ICBase-4 (74LS32).
  17. Connect Pin-5 (Input) of ICBase-1 (74LS04) to Pin-3 (Output) of ICBase-4 (74LS32).
  18. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Pin-6 (Output) of ICBase-1 (74LS04).
  19. Connect Input-13 to Pin-2 (Input) of ICBase-3 (74LS08).
  20. Connect Pin-3 (Output) of ICBase-4 (74LS32) to Pin-4 (Input) of ICBase-3 (74LS08).
  21. Connect Pin-5 (Input) of ICBase-3 (74LS08) to Pin-14 (Output) of ICBase-1 (74LS04).
  22. Connect Pin-4 (Input) of ICBase-4 (74LS32) to Pin-3 (Output) of ICBase-3 (74LS08).
  23. Connect Pin-5 (Input) of ICBase-4 (74LS32) to Pin-6 (Output) of ICBase-3 (74LS08).
  24. Connect Output-1 to Pin-6 (Output) of ICBase-4 (74LS32).
  25. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).
  26. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).
  27. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  28. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  29. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS32).
  30. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS32).
  31. Connect Input-15 to Pin-15 (Input) of ICBase-2 (74LS08).
  32. Connect Input-14 to Pin-16 (Input) of ICBase-2 (74LS08).
  33. Add IC 74LS04 into ICBase-1 (74LS04).
  34. Add IC 74LS08 into ICBase-2 (74LS08).
  35. Add IC 74LS08 into ICBase-3 (74LS08).
  36. Add IC 74LS32 into ICBase-4 (74LS32).