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Rutvik Vairagi
Rutvik Vairagi
• Created on Apr 18, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS90

Procedure

  1. Connect GND Port to Pin-11 (Input & Output) of ICBase-1 (74LS90).
  2. Connect GND Port to Pin-11 (Input & Output) of ICBase-2 (74LS90).
  3. Connect GND Port to Pin-11 (Input & Output) of ICBase-3.
  4. Connect GND Port to Pin-11 (Input & Output) of ICBase-4.
  5. Connect GND Port to Pin-11 (Input & Output) of ICBase-5.
  6. Connect VCC Port to Pin-20 (Input) of ICBase-1 (74LS90).
  7. Connect VCC Port to Pin-20 (Input) of ICBase-2 (74LS90).
  8. Connect VCC Port to Pin-20 (Input & Output) of ICBase-3.
  9. Connect VCC Port to Pin-20 (Input & Output) of ICBase-4.
  10. Connect VCC Port to Pin-20 (Input & Output) of ICBase-5.
  11. Connect GND Port to Pin-3 (Input) of ICBase-1 (74LS90).
  12. Connect GND Port to Pin-4 (Input & Output) of ICBase-1 (74LS90).
  13. Connect GND Port to Pin-6 (Input) of ICBase-1 (74LS90).
  14. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  15. Connect VCC Port to Pin-2 (Input) of ICBase-1 (74LS90).
  16. Connect Pin-1 (Input) of ICBase-1 (74LS90) to Clock port of 1Hz frequency.
  17. Connect Pin-1 (Input) of ICBase-2 (74LS90) to Pin-12 (Input & Output) of ICBase-1 (74LS90).
  18. Connect Pin-3 (Input) of ICBase-2 (74LS90) to Pin-9 (Input & Output) of ICBase-2 (74LS90).
  19. Connect Pin-4 (Input & Output) of ICBase-2 (74LS90) to Pin-9 (Input & Output) of ICBase-2 (74LS90).
  20. Connect Pin-3 (Input) of ICBase-2 (74LS90) to Pin-8 (Input & Output) of ICBase-2 (74LS90).
  21. Connect Pin-4 (Input & Output) of ICBase-2 (74LS90) to Pin-8 (Input & Output) of ICBase-2 (74LS90).
  22. Connect GND Port to Pin-6 (Input) of ICBase-2 (74LS90).
  23. Connect GND Port to Pin-7 (Input) of ICBase-2 (74LS90).
  24. Connect VCC Port to Pin-2 (Input) of ICBase-2 (74LS90).
  25. Connect Pin-18 (Input & Output) of ICBase-3 to Pin-17 (Output) of ICBase-1 (74LS90).
  26. Connect Pin-19 (Input & Output) of ICBase-3 to Pin-16 (Ground) of ICBase-1 (74LS90).
  27. Connect Pin-20 (Input & Output) of ICBase-3 to Pin-15 (Output) of ICBase-1 (74LS90).
  28. Connect Pin-17 (Input & Output) of ICBase-3 to Pin-12 (Input & Output) of ICBase-1 (74LS90).
  29. Connect Pin-18 (Input & Output) of ICBase-4 to Pin-17 (Output) of ICBase-2 (74LS90).
  30. Connect Pin-19 (Input & Output) of ICBase-4 to Pin-16 (Ground) of ICBase-2 (74LS90).
  31. Connect Pin-20 (Input & Output) of ICBase-4 to Pin-15 (Output) of ICBase-2 (74LS90).
  32. Connect Pin-17 (Input & Output) of ICBase-4 to Pin-12 (Input & Output) of ICBase-2 (74LS90).
  33. Connect Pin-2 (Input & Output) of ICBase-3 to VCC Port.
  34. Connect Pin-3 (Input & Output) of ICBase-3 to VCC Port.
  35. Connect VCC Port to Pin-4 (Input & Output) of ICBase-3.
  36. Connect Pin-2 (Input & Output) of ICBase-4 to VCC Port.
  37. Connect Pin-3 (Input & Output) of ICBase-4 to VCC Port.
  38. Connect Pin-4 (Input & Output) of ICBase-4 to VCC Port.
  39. Connect Pin-12 (Input & Output) of ICBase-4 to Seven segment display 2.
  40. Connect Pin-13 (Input & Output) of ICBase-4 to Seven segment display 2.
  41. Connect Pin-14 (Input & Output) of ICBase-4 to Seven segment display 2.
  42. Connect Pin-15 (Input & Output) of ICBase-4 to Seven segment display 2.
  43. Connect Seven segment display 1 to Pin-12 (Input & Output) of ICBase-5.
  44. Connect Seven segment display 1 to Pin-13 (Input & Output) of ICBase-5.
  45. Connect Seven segment display 1 to Pin-14 (Input & Output) of ICBase-5.
  46. Connect Seven segment display 1 to Pin-15 (Input & Output) of ICBase-5.
  47. Add IC 74LS90 into ICBase-1 (74LS90).
  48. Add IC 74LS90 into ICBase-2 (74LS90).