MOD-20 counter

Shivani
Shivani Sawant
• Created on Nov 28, 2021 • 0 • 0 • 1
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MOD-20 counter
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Integrated Circuits Used

74LS90

Procedure

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