MOD-45 counter

Ashish
Ashish Shelar
• Created on Nov 19, 2024 • 0 • 0 • 2
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MOD-45 counter
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Integrated Circuits Used

74LS90 74LS08

Description

I made mod 45 counter using ic 74ls90[2] 74ls08[1 and] just make sure of pin config all Q are the o/p s only one input its clock

Procedure

  1. Add IC 74LS90 into ICBase-2 (74LS90).
  2. Add IC 74LS90 into ICBase-3 (74LS90).
  3. Add IC 74LS08 into ICBase-4 (74LS08).
  4. Connect GND Port to Pin-7 (Ground) of ICBase-4 (74LS08).
  5. Connect Pin-1 (Input) of ICBase-2 (74LS90) to Pin-18 (Output) of ICBase-2 (74LS90).
  6. Connect Pin-1 (Input) of ICBase-3 (74LS90) to Pin-18 (Output) of ICBase-3 (74LS90).
  7. Connect Pin-6 (Input) of ICBase-3 (74LS90) to GND Port.
  8. Connect GND Port to Pin-7 (Input) of ICBase-3 (74LS90).
  9. Connect Pin-6 (Input) of ICBase-2 (74LS90) to GND Port.
  10. Connect Pin-7 (Input) of ICBase-2 (74LS90) to GND Port.
  11. Connect VCC Port to Pin-5 (VCC) of ICBase-3 (74LS90).
  12. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS90).
  13. Connect GND Port to Pin-16 (Ground) of ICBase-3 (74LS90).
  14. Connect Pin-16 (Ground) of ICBase-2 (74LS90) to GND Port.
  15. Connect VCC Port to Pin-20 (VCC) of ICBase-4 (74LS08).
  16. Connect Pin-17 (Output) of ICBase-2 (74LS90) to Seven segment display 2.
  17. Connect Pin-14 (Output) of ICBase-2 (74LS90) to Seven segment display 2.
  18. Connect Seven segment display 2 to Pin-15 (Output) of ICBase-2 (74LS90).
  19. Connect Seven segment display 2 to Pin-18 (Output) of ICBase-2 (74LS90).
  20. Connect Seven segment display 1 to Pin-17 (Output) of ICBase-3 (74LS90).
  21. Connect Seven segment display 1 to Pin-14 (Output) of ICBase-3 (74LS90).
  22. Connect Seven segment display 1 to Pin-15 (Output) of ICBase-3 (74LS90).
  23. Connect Seven segment display 1 to Pin-18 (Output) of ICBase-3 (74LS90).
  24. Connect Pin-20 (Input) of ICBase-3 (74LS90) to Pin-17 (Output) of ICBase-2 (74LS90).
  25. Connect Clock port of 5Hz frequency to Pin-20 (Input) of ICBase-2 (74LS90).
  26. Connect Pin-1 (Input) of ICBase-4 (74LS08) to Pin-14 (Output) of ICBase-2 (74LS90).
  27. Connect Pin-2 (Input) of ICBase-4 (74LS08) to Pin-18 (Output) of ICBase-2 (74LS90).
  28. Connect Pin-4 (Input) of ICBase-4 (74LS08) to Pin-3 (Output) of ICBase-4 (74LS08).
  29. Connect Pin-14 (Output) of ICBase-3 (74LS90) to Pin-5 (Input) of ICBase-4 (74LS08).
  30. Connect Pin-2 (Input) of ICBase-3 (74LS90) to Pin-6 (Output) of ICBase-4 (74LS08).
  31. Connect Pin-3 (Input) of ICBase-3 (74LS90) to Pin-6 (Output) of ICBase-4 (74LS08).
  32. Connect Pin-6 (Output) of ICBase-4 (74LS08) to Pin-2 (Input) of ICBase-2 (74LS90).
  33. Connect Pin-6 (Output) of ICBase-4 (74LS08) to Pin-3 (Input) of ICBase-2 (74LS90).
  34. Connect GND Port to ICBase-4 (74LS08).
  35. Connect Pin-18 (Output) of ICBase-2 (74LS90) to ICBase-2 (74LS90).
  36. Connect Pin-2 (Input) of ICBase-4 (74LS08) to ICBase-3 (74LS90).
  37. Connect GND Port to ICBase-3 (74LS90).
  38. Connect GND Port to ICBase-2 (74LS90).
  39. Connect GND Port to ICBase-2 (74LS90).
  40. Connect Pin-3 (Output) of ICBase-4 (74LS08) to ICBase-3 (74LS90).
  41. Connect Pin-2 (Input) of ICBase-2 (74LS90) to ICBase-4 (74LS08).
  42. Connect Output-1 to ICBase-3 (74LS90).
  43. Connect Output-4 to ICBase-2 (74LS90).
  44. Connect GND Port to ICBase-2 (74LS90).
  45. Connect Seven segment display 2 to ICBase-2 (74LS90).
  46. Connect Seven segment display 2 to ICBase-2 (74LS90).