BCD to excess -3

Ankita Jadhav
Ankita Jadhav
Created on Sep 12, 2026 0 0 0
BCD to excess -3
100%

Procedure

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