Active learning - mod 100 counter

Kanak
Kanak Maurya
• Created on May 9, 2023 • 0 • 0 • 2
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Active learning - mod 100 counter
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Integrated Circuits Used

74LS21 74LS90

Description

2,3 - Decade counters 4 - 4 input and gate

Procedure

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