carry look ahead

Mihir
Mihir P
• Created on Feb 24, 2021 • 0 • 0 • 3
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carry look ahead
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Integrated Circuits Used

74LS86 74LS32 74LS08

Procedure

  1. Connect Pin-5 (Input) of ICBase-1 (74LS86) to Input-13.
  2. Connect Pin-4 (Input) of ICBase-1 (74LS86) to Input-1.
  3. Connect Pin-18 (Input) of ICBase-1 (74LS86) to Input-15.
  4. Connect Pin-19 (Input) of ICBase-1 (74LS86) to Input-3.
  5. Connect Pin-19 (Input) of ICBase-4 (74LS08) to Input-15.
  6. Connect Pin-18 (Input) of ICBase-4 (74LS08) to Input-3.
  7. Connect Pin-1 (Input) of ICBase-5 (74LS08) to Pin-3 (Output) of ICBase-4 (74LS08).
  8. Connect Pin-2 (Input) of ICBase-5 (74LS08) to Pin-6 (Output) of ICBase-1 (74LS86).
  9. Connect Pin-4 (Input) of ICBase-2 (74LS86) to Pin-3 (Output) of ICBase-3 (74LS32).
  10. Connect Pin-4 (Input) of ICBase-5 (74LS08) to Pin-3 (Output) of ICBase-3 (74LS32).
  11. Connect Pin-5 (Input) of ICBase-2 (74LS86) to Pin-14 (Output) of ICBase-1 (74LS86).
  12. Connect Pin-5 (Input) of ICBase-5 (74LS08) to Pin-14 (Output) of ICBase-1 (74LS86).
  13. Connect Pin-4 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-5 (74LS08).
  14. Connect Pin-5 (Input) of ICBase-3 (74LS32) to Pin-14 (Output) of ICBase-4 (74LS08).
  15. Connect Pin-15 (Input) of ICBase-2 (74LS86) to Pin-6 (Output) of ICBase-3 (74LS32).
  16. Connect Pin-15 (Input) of ICBase-5 (74LS08) to Pin-6 (Output) of ICBase-3 (74LS32).
  17. Connect Pin-16 (Input) of ICBase-2 (74LS86) to Pin-17 (Output) of ICBase-1 (74LS86).
  18. Connect Pin-16 (Input) of ICBase-5 (74LS08) to Pin-17 (Output) of ICBase-1 (74LS86).
  19. Connect Pin-15 (Input) of ICBase-3 (74LS32) to Pin-14 (Output) of ICBase-5 (74LS08).
  20. Connect Pin-16 (Input) of ICBase-3 (74LS32) to Pin-17 (Output) of ICBase-4 (74LS08).
  21. Connect Output-11 to Pin-3 (Output) of ICBase-1 (74LS86).
  22. Connect Output-12 to Pin-3 (Output) of ICBase-2 (74LS86).
  23. Connect Output-13 to Pin-6 (Output) of ICBase-2 (74LS86).
  24. Connect Output-14 to Pin-14 (Output) of ICBase-2 (74LS86).
  25. Connect Output-15 to Pin-14 (Output) of ICBase-3 (74LS32).
  26. Add IC 74LS86 into ICBase-1 (74LS86).
  27. Add IC 74LS86 into ICBase-2 (74LS86).
  28. Add IC 74LS32 into ICBase-3 (74LS32).
  29. Add IC 74LS08 into ICBase-4 (74LS08).
  30. Add IC 74LS08 into ICBase-5 (74LS08).
  31. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS86).
  32. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS86).
  33. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS32).
  34. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS08).
  35. Connect VCC Port to Pin-20 (VCC) of ICBase-5 (74LS08).
  36. Connect GND Port to Pin-7 (Ground) of ICBase-5 (74LS08).
  37. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS08).
  38. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS32).
  39. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS86).
  40. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS86).
  41. Connect Pin-1 (Input) of ICBase-1 (74LS86) to Input-12.
  42. Connect Pin-2 (Input) of ICBase-1 (74LS86) to Input-0.
  43. Connect Pin-15 (Input) of ICBase-1 (74LS86) to Input-14.
  44. Connect Pin-16 (Input) of ICBase-1 (74LS86) to Input-2.
  45. Connect Pin-1 (Input) of ICBase-4 (74LS08) to Input-12.
  46. Connect Pin-2 (Input) of ICBase-4 (74LS08) to Input-0.
  47. Connect Pin-4 (Input) of ICBase-4 (74LS08) to Input-13.
  48. Connect Pin-5 (Input) of ICBase-4 (74LS08) to Input-1.
  49. Connect Pin-15 (Input) of ICBase-4 (74LS08) to Input-14.
  50. Connect Pin-16 (Input) of ICBase-4 (74LS08) to Input-2.
  51. Connect Pin-1 (Input) of ICBase-2 (74LS86) to Pin-3 (Output) of ICBase-4 (74LS08).
  52. Connect Pin-2 (Input) of ICBase-2 (74LS86) to Pin-6 (Output) of ICBase-1 (74LS86).
  53. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Pin-3 (Output) of ICBase-5 (74LS08).
  54. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-4 (74LS08).