BCD 4 bit adder

Shrawani
Shrawani Darde
• Created on Aug 21, 2025 • 0 • 0 • 3
Edit Circuit Copy Circuit Try Yourself
BCD 4 bit adder
100%

Integrated Circuits Used

74LS83 74LS08 74LS32

Procedure

  1. Connect Input-12 to Pin-1 (Input) of ICBase-1 (74LS83).
  2. Connect Input-13 to Pin-3 (Input) of ICBase-1 (74LS83).
  3. Connect Input-9 to Pin-4 (Input) of ICBase-1 (74LS83).
  4. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS83).
  5. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS83).
  6. Connect Input-10 to Pin-7 (Input) of ICBase-1 (74LS83).
  7. Connect Input-14 to Pin-8 (Input) of ICBase-1 (74LS83).
  8. Add IC 74LS83 into ICBase-1 (74LS83).
  9. Connect Input-15 to Pin-14 (Input) of ICBase-1 (74LS83).
  10. Connect Input-11 to Pin-15 (Input) of ICBase-1 (74LS83).
  11. Connect GND Port to Pin-17 (Input) of ICBase-1 (74LS83).
  12. Connect Input-8 to Pin-20 (Input) of ICBase-1 (74LS83).
  13. Connect Pin-14 (Input) of ICBase-2 (74LS83) to Pin-13 (Output) of ICBase-1 (74LS83).
  14. Add IC 74LS83 into ICBase-2 (74LS83).
  15. Connect Pin-8 (Input) of ICBase-2 (74LS83) to Pin-6 (Output) of ICBase-1 (74LS83).
  16. Connect Pin-3 (Input) of ICBase-2 (74LS83) to Pin-2 (Output) of ICBase-1 (74LS83).
  17. Connect Pin-1 (Input) of ICBase-2 (74LS83) to Pin-19 (Output) of ICBase-1 (74LS83).
  18. Connect GND Port to Pin-16 (Ground) of ICBase-2 (74LS83).
  19. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS83).
  20. Connect Input-7 to Pin-15 (Input) of ICBase-2 (74LS83).
  21. Connect Input-6 to Pin-7 (Input) of ICBase-2 (74LS83).
  22. Connect Input-5 to Pin-4 (Input) of ICBase-2 (74LS83).
  23. Connect Input-4 to Pin-20 (Input) of ICBase-2 (74LS83).
  24. Connect GND Port to Pin-17 (Input) of ICBase-2 (74LS83).
  25. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Pin-2 (Output) of ICBase-1 (74LS83).
  26. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Pin-6 (Output) of ICBase-1 (74LS83).
  27. Connect Pin-1 (Input) of ICBase-4 (74LS32) to Pin-3 (Output) of ICBase-3 (74LS08).
  28. Connect Pin-4 (Input) of ICBase-3 (74LS08) to Pin-1 (Input) of ICBase-3 (74LS08).
  29. Connect Pin-5 (Input) of ICBase-3 (74LS08) to Pin-13 (Output) of ICBase-1 (74LS83).
  30. Connect Pin-2 (Input) of ICBase-4 (74LS32) to Pin-6 (Output) of ICBase-3 (74LS08).
  31. Add IC 74LS08 into ICBase-3 (74LS08).
  32. Add IC 74LS32 into ICBase-4 (74LS32).
  33. Connect GND Port to Input-4.
  34. Connect GND Port to Input-7.
  35. Connect Input-6 to Output-0.
  36. Connect Input-5 to Output-0.
  37. Connect Output-1 to Pin-13 (Output) of ICBase-2 (74LS83).
  38. Connect Output-2 to Pin-6 (Output) of ICBase-2 (74LS83).
  39. Connect Output-3 to Pin-2 (Output) of ICBase-2 (74LS83).
  40. Connect Output-4 to Pin-19 (Output) of ICBase-2 (74LS83).
  41. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  42. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  43. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS32).
  44. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS32).
  45. Connect Pin-4 (Input) of ICBase-4 (74LS32) to Pin-3 (Output) of ICBase-4 (74LS32).
  46. Connect Pin-5 (Input) of ICBase-4 (74LS32) to Pin-18 (Output) of ICBase-1 (74LS83).
  47. Connect Output-0 to Pin-6 (Output) of ICBase-4 (74LS32).