MOD 99 counter

Vedant
Vedant Gunjal
• Created on Dec 14, 2024 • 0 • 0 • 2
Edit Circuit Copy Circuit Try Yourself
MOD 99 counter
100%

Integrated Circuits Used

74LS90 74LS08

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Add IC 74LS90 into ICBase-2 (74LS90).
  3. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  4. Connect GND Port to Pin-16 (Ground) of ICBase-2 (74LS90).
  5. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  6. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS90).
  7. Add IC 74LS08 into ICBase-3 (74LS08).
  8. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Pin-18 (Output) of ICBase-1 (74LS90).
  9. Connect Pin-4 (Input) of ICBase-3 (74LS08) to Pin-18 (Output) of ICBase-2 (74LS90).
  10. Connect Pin-19 (Input) of ICBase-3 (74LS08) to Pin-3 (Output) of ICBase-3 (74LS08).
  11. Connect Pin-18 (Input) of ICBase-3 (74LS08) to Pin-6 (Output) of ICBase-3 (74LS08).
  12. Connect Pin-2 (Input) of ICBase-2 (74LS90) to Pin-17 (Output) of ICBase-3 (74LS08).
  13. Connect Pin-3 (Input) of ICBase-2 (74LS90) to Pin-17 (Output) of ICBase-3 (74LS08).
  14. Connect Pin-2 (Input) of ICBase-1 (74LS90) to Pin-17 (Output) of ICBase-3 (74LS08).
  15. Connect Pin-3 (Input) of ICBase-1 (74LS90) to Pin-17 (Output) of ICBase-3 (74LS08).
  16. Connect GND Port to Pin-6 (Input) of ICBase-1 (74LS90).
  17. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  18. Connect GND Port to Pin-6 (Input) of ICBase-2 (74LS90).
  19. Connect GND Port to Pin-7 (Input) of ICBase-2 (74LS90).
  20. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  21. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  22. Connect Pin-1 (Input) of ICBase-1 (74LS90) to Pin-18 (Output) of ICBase-1 (74LS90).
  23. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-1 (74LS90).
  24. Connect Output-0 to Pin-18 (Output) of ICBase-1 (74LS90).
  25. Connect Output-1 to Pin-15 (Output) of ICBase-1 (74LS90).
  26. Connect Output-2 to Pin-14 (Output) of ICBase-1 (74LS90).
  27. Connect Output-3 to Pin-17 (Output) of ICBase-1 (74LS90).
  28. Connect Output-4 to Pin-18 (Output) of ICBase-2 (74LS90).
  29. Connect Output-5 to Pin-15 (Output) of ICBase-2 (74LS90).
  30. Connect Output-6 to Pin-14 (Output) of ICBase-2 (74LS90).
  31. Connect Output-7 to Pin-17 (Output) of ICBase-2 (74LS90).
  32. Connect Pin-17 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-3 (74LS08).
  33. Connect Pin-17 (Output) of ICBase-2 (74LS90) to Pin-5 (Input) of ICBase-3 (74LS08).
  34. Connect Pin-20 (Input) of ICBase-2 (74LS90) to Pin-17 (Output) of ICBase-1 (74LS90).
  35. Connect Pin-1 (Input) of ICBase-2 (74LS90) to Pin-18 (Output) of ICBase-2 (74LS90).
  36. Connect Output-5 to ICBase-1 (74LS90).