MOD-99 COUNTER 7490

Diksha
Diksha Sawant
• Created on Dec 14, 2024 • 0 • 0 • 2
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MOD-99 COUNTER 7490
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Integrated Circuits Used

74LS90 74LS08

Description

7490(2) AND=7408

Procedure

  1. Add IC 74LS90 into ICBase-3 (74LS90).
  2. Add IC 74LS90 into ICBase-1 (74LS90).
  3. Add IC 74LS08 into ICBase-2 (74LS08).
  4. Connect GND Port to Pin-6 (Input) of ICBase-1 (74LS90).
  5. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  6. Connect GND Port to Pin-6 (Input) of ICBase-3 (74LS90).
  7. Connect GND Port to Pin-7 (Input) of ICBase-3 (74LS90).
  8. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  9. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS08).
  10. Connect GND Port to Pin-16 (Ground) of ICBase-3 (74LS90).
  11. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  12. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS08).
  13. Connect VCC Port to Pin-5 (VCC) of ICBase-3 (74LS90).
  14. Connect Manual clock Port to Pin-20 (Input) of ICBase-1 (74LS90).
  15. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Output-0.
  16. Connect Pin-15 (Output) of ICBase-1 (74LS90) to Output-1.
  17. Connect Output-2 to Pin-14 (Output) of ICBase-1 (74LS90).
  18. Connect Pin-17 (Output) of ICBase-1 (74LS90) to Output-3.
  19. Connect Output-4 to Pin-18 (Output) of ICBase-3 (74LS90).
  20. Connect Output-5 to Pin-15 (Output) of ICBase-3 (74LS90).
  21. Connect Pin-14 (Output) of ICBase-3 (74LS90) to Output-6.
  22. Connect Pin-17 (Output) of ICBase-3 (74LS90) to Output-7.
  23. Connect Pin-1 (Input) of ICBase-2 (74LS08) to Pin-17 (Output) of ICBase-1 (74LS90).
  24. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-2 (Input) of ICBase-2 (74LS08).
  25. Connect Pin-15 (Input) of ICBase-2 (74LS08) to Pin-3 (Output) of ICBase-2 (74LS08).
  26. Connect Pin-18 (Output) of ICBase-3 (74LS90) to Pin-4 (Input) of ICBase-2 (74LS08).
  27. Connect Pin-5 (Input) of ICBase-2 (74LS08) to Pin-17 (Output) of ICBase-3 (74LS90).
  28. Connect Pin-16 (Input) of ICBase-2 (74LS08) to Pin-6 (Output) of ICBase-2 (74LS08).
  29. Connect Pin-2 (Input) of ICBase-1 (74LS90) to Pin-14 (Output) of ICBase-2 (74LS08).
  30. Connect Pin-14 (Output) of ICBase-2 (74LS08) to Pin-3 (Input) of ICBase-1 (74LS90).
  31. Connect Pin-2 (Input) of ICBase-3 (74LS90) to Pin-14 (Output) of ICBase-2 (74LS08).
  32. Connect Pin-14 (Output) of ICBase-2 (74LS08) to Pin-3 (Input) of ICBase-3 (74LS90).
  33. Connect Pin-17 (Output) of ICBase-1 (74LS90) to Pin-20 (Input) of ICBase-3 (74LS90).
  34. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-1 (74LS90).
  35. Connect Pin-18 (Output) of ICBase-3 (74LS90) to Pin-1 (Input) of ICBase-3 (74LS90).
  36. Connect Clock port of 0.5Hz frequency to Output-0.
  37. Connect Clock port of 1Hz frequency to Output-1.
  38. Connect Clock port of 5Hz frequency to Output-2.
  39. Connect Clock port of 10Hz frequency to Output-3.
  40. Connect Seven segment display 1 to Clock port of 0.5Hz frequency.
  41. Connect Clock port of 1Hz frequency to Seven segment display 1.
  42. Connect Clock port of 5Hz frequency to Seven segment display 1.
  43. Connect Clock port of 10Hz frequency to Seven segment display 1.
  44. Connect GND Port to ICBase-3 (74LS90).
  45. Connect Output-0 to ICBase-1 (74LS90).
  46. Connect Output-1 to ICBase-1 (74LS90).