3x8

Riya
Riya Wankhede
• Created on Aug 29, 2025 • 2 • 1 • 2
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3x8
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Integrated Circuits Used

74LS21 74LS14

Procedure

  1. Add IC 74LS21 into ICBase-1 (74LS21).
  2. Add IC 74LS14 into ICBase-2 (74LS14).
  3. Connect Input-15 to Pin-1 (Input) of ICBase-1 (74LS21).
  4. Connect Input-14 to Pin-1 (Input) of ICBase-2 (74LS14).
  5. Connect Pin-2 (Input) of ICBase-1 (74LS21) to Pin-2 (Output) of ICBase-2 (74LS14).
  6. Connect Input-13 to Pin-3 (Input) of ICBase-2 (74LS14).
  7. Connect Pin-4 (Input) of ICBase-1 (74LS21) to Pin-4 (Output) of ICBase-2 (74LS14).
  8. Connect Input-12 to Pin-5 (Input) of ICBase-2 (74LS14).
  9. Connect Pin-5 (Input) of ICBase-1 (74LS21) to Pin-6 (Output) of ICBase-2 (74LS14).
  10. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS21).
  11. Connect Output-13 to Pin-6 (Output) of ICBase-1 (74LS21).
  12. Connect Output-12 to Pin-14 (Output) of ICBase-1 (74LS21).
  13. Connect Input-15 to Pin-15 (Input) of ICBase-1 (74LS21).
  14. Connect Pin-2 (Output) of ICBase-2 (74LS14) to Pin-16 (Input) of ICBase-1 (74LS21).
  15. Connect Pin-4 (Output) of ICBase-2 (74LS14) to Pin-18 (Input) of ICBase-1 (74LS21).
  16. Connect Input-12 to Pin-19 (Input) of ICBase-1 (74LS21).
  17. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS21).
  18. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS14).
  19. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS14).
  20. Add IC 74LS21 into ICBase-3 (74LS21).
  21. Connect Input-15 to Pin-1 (Input) of ICBase-3 (74LS21).
  22. Connect Pin-2 (Input) of ICBase-3 (74LS21) to Pin-2 (Output) of ICBase-2 (74LS14).
  23. Connect Pin-4 (Input) of ICBase-3 (74LS21) to Input-13.
  24. Connect Pin-5 (Input) of ICBase-3 (74LS21) to Pin-6 (Output) of ICBase-2 (74LS14).
  25. Connect Output-11 to Pin-6 (Output) of ICBase-3 (74LS21).
  26. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS21).
  27. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS21).
  28. Connect Output-10 to Pin-14 (Output) of ICBase-3 (74LS21).
  29. Connect Input-15 to Pin-19 (Input) of ICBase-3 (74LS21).
  30. Connect Pin-18 (Input) of ICBase-3 (74LS21) to Pin-2 (Output) of ICBase-2 (74LS14).
  31. Connect Input-13 to Pin-16 (Input) of ICBase-3 (74LS21).
  32. Connect Input-12 to Pin-15 (Input) of ICBase-3 (74LS21).
  33. Add IC 74LS21 into ICBase-4 (74LS21).
  34. Connect Input-15 to Pin-1 (Input) of ICBase-4 (74LS21).
  35. Connect Pin-2 (Input) of ICBase-4 (74LS21) to Input-14.
  36. Connect Pin-4 (Input) of ICBase-4 (74LS21) to Pin-4 (Output) of ICBase-2 (74LS14).
  37. Connect Pin-5 (Input) of ICBase-4 (74LS21) to Pin-6 (Output) of ICBase-2 (74LS14).
  38. Connect Output-9 to Pin-6 (Output) of ICBase-4 (74LS21).
  39. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS21).
  40. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS21).
  41. Connect Output-8 to Pin-14 (Output) of ICBase-4 (74LS21).
  42. Connect Input-15 to Pin-19 (Input) of ICBase-4 (74LS21).
  43. Connect Input-14 to Pin-18 (Input) of ICBase-4 (74LS21).
  44. Connect Pin-16 (Input) of ICBase-4 (74LS21) to Pin-4 (Output) of ICBase-2 (74LS14).
  45. Connect Input-12 to Pin-15 (Input) of ICBase-4 (74LS21).
  46. Add IC 74LS21 into ICBase-5 (74LS21).
  47. Connect GND Port to Pin-7 (Ground) of ICBase-5 (74LS21).
  48. Connect VCC Port to Pin-20 (VCC) of ICBase-5 (74LS21).
  49. Connect Input-15 to Pin-1 (Input) of ICBase-5 (74LS21).
  50. Connect Input-14 to Pin-2 (Input) of ICBase-5 (74LS21).
  51. Connect Input-13 to Pin-4 (Input) of ICBase-5 (74LS21).
  52. Connect Pin-5 (Input) of ICBase-5 (74LS21) to Pin-6 (Output) of ICBase-2 (74LS14).
  53. Connect Output-7 to Pin-6 (Output) of ICBase-5 (74LS21).
  54. Connect Output-6 to Pin-14 (Output) of ICBase-5 (74LS21).
  55. Connect Input-15 to Pin-19 (Input) of ICBase-5 (74LS21).
  56. Connect Input-14 to Pin-18 (Input) of ICBase-5 (74LS21).
  57. Connect Input-13 to Pin-16 (Input) of ICBase-5 (74LS21).
  58. Connect Input-12 to Pin-15 (Input) of ICBase-5 (74LS21).