MOD 67 using IC 7490

Tanmay
Tanmay Inamdar
• Created on Oct 24, 2024 • 0 • 0 • 3
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MOD 67 using IC 7490
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Integrated Circuits Used

74LS90 74LS21 74LS08

Procedure

  1. Add IC 74LS90 into ICBase-3 (74LS90).
  2. Add IC 74LS90 into ICBase-4 (74LS90).
  3. Connect VCC Port to Pin-5 (VCC) of ICBase-4 (74LS90).
  4. Connect Pin-5 (VCC) of ICBase-3 (74LS90) to VCC Port.
  5. Connect GND Port to Pin-16 (Ground) of ICBase-3 (74LS90).
  6. Connect Pin-16 (Ground) of ICBase-4 (74LS90) to GND Port.
  7. Connect GND Port to Pin-6 (Input) of ICBase-4 (74LS90).
  8. Connect Pin-7 (Input) of ICBase-4 (74LS90) to GND Port.
  9. Connect Pin-7 (Input) of ICBase-3 (74LS90) to GND Port.
  10. Connect GND Port to Pin-6 (Input) of ICBase-3 (74LS90).
  11. Connect Pin-20 (Input) of ICBase-3 (74LS90) to Pin-17 (Output) of ICBase-4 (74LS90).
  12. Connect Pin-1 (Input) of ICBase-3 (74LS90) to Pin-18 (Output) of ICBase-3 (74LS90).
  13. Connect Pin-18 (Output) of ICBase-4 (74LS90) to Pin-1 (Input) of ICBase-4 (74LS90).
  14. Connect Clock port of 10Hz frequency to Pin-20 (Input) of ICBase-4 (74LS90).
  15. Connect Seven segment display 1 to Pin-18 (Output) of ICBase-4 (74LS90).
  16. Connect Pin-15 (Output) of ICBase-4 (74LS90) to Seven segment display 1.
  17. Connect Seven segment display 1 to Pin-14 (Output) of ICBase-4 (74LS90).
  18. Connect Pin-17 (Output) of ICBase-4 (74LS90) to Seven segment display 1.
  19. Connect Seven segment display 2 to Pin-18 (Output) of ICBase-3 (74LS90).
  20. Connect Pin-15 (Output) of ICBase-3 (74LS90) to Seven segment display 2.
  21. Connect Seven segment display 2 to Pin-14 (Output) of ICBase-3 (74LS90).
  22. Connect Seven segment display 2 to Pin-17 (Output) of ICBase-3 (74LS90).
  23. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS21).
  24. Add IC 74LS21 into ICBase-2 (74LS21).
  25. Connect Pin-20 (VCC) of ICBase-2 (74LS21) to VCC Port.
  26. Connect Pin-14 (Output) of ICBase-3 (74LS90) to Pin-1 (Input) of ICBase-2 (74LS21).
  27. Connect Pin-2 (Input) of ICBase-2 (74LS21) to Pin-15 (Output) of ICBase-3 (74LS90).
  28. Connect Pin-14 (Output) of ICBase-4 (74LS90) to Pin-4 (Input) of ICBase-2 (74LS21).
  29. Connect Pin-5 (Input) of ICBase-2 (74LS21) to Pin-15 (Output) of ICBase-4 (74LS90).
  30. Connect VCC Port to ICBase-2 (74LS21).
  31. Add IC 74LS08 into ICBase-1 (74LS08).
  32. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS08).
  33. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS08).
  34. Connect Pin-1 (Input) of ICBase-1 (74LS08) to Pin-6 (Output) of ICBase-2 (74LS21).
  35. Connect Pin-18 (Output) of ICBase-4 (74LS90) to Pin-2 (Input) of ICBase-1 (74LS08).
  36. Connect Pin-3 (Input) of ICBase-3 (74LS90) to Pin-3 (Output) of ICBase-1 (74LS08).
  37. Connect Pin-3 (Output) of ICBase-1 (74LS08) to Pin-2 (Input) of ICBase-3 (74LS90).
  38. Connect Pin-3 (Output) of ICBase-1 (74LS08) to Pin-2 (Input) of ICBase-4 (74LS90).
  39. Connect Pin-3 (Input) of ICBase-4 (74LS90) to Pin-3 (Output) of ICBase-1 (74LS08).