Full adder - Carry, Full subtractor - Borrow

Anushree
Anushree Kamath
• Created on Jul 16, 2024 • 0 • 0 • 3
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Full adder - Carry, Full subtractor - Borrow
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Integrated Circuits Used

74LS08 74LS32 74LS04

Description

Input: A,B,C = 0,1,2 Output: Carry = 0, Borrow = 1

Procedure

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