FINAL

Samruddhi
Samruddhi Raskar
• Created on Apr 19, 2026 • 0 • 0 • 2
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FINAL
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Integrated Circuits Used

74LS90 74LS08

Description

1st IC base pin 20 to clk 1Hz

Procedure

  1. Connect Pin-2 (Input) of ICBase-1 (74LS90) to GND Port.
  2. Connect Pin-3 (Input) of ICBase-1 (74LS90) to GND Port.
  3. Connect Pin-5 (VCC) of ICBase-1 (74LS90) to VCC Port.
  4. Connect Pin-6 (Input) of ICBase-1 (74LS90) to GND Port.
  5. Connect Pin-7 (Input) of ICBase-1 (74LS90) to GND Port.
  6. Connect Manual clock Port to Pin-14 (Output) of ICBase-1 (74LS90).
  7. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  8. Connect Pin-1 (Input) of ICBase-2 (74LS90) to Pin-18 (Output) of ICBase-2 (74LS90).
  9. Connect Pin-2 (Input) of ICBase-2 (74LS90) to Pin-3 (Output) of ICBase-3 (74LS08).
  10. Connect Pin-3 (Input) of ICBase-2 (74LS90) to Pin-3 (Output) of ICBase-3 (74LS08).
  11. Connect Pin-5 (VCC) of ICBase-2 (74LS90) to VCC Port.
  12. Connect GND Port to Pin-6 (Input) of ICBase-2 (74LS90).
  13. Connect GND Port to Pin-7 (Input) of ICBase-2 (74LS90).
  14. Connect Manual clock Port to Pin-20 (Input) of ICBase-2 (74LS90).
  15. Connect Seven segment display 1 to Pin-18 (Output) of ICBase-2 (74LS90).
  16. Connect Seven segment display 1 to Pin-17 (Output) of ICBase-2 (74LS90).
  17. Connect Seven segment display 1 to Pin-16 (Ground) of ICBase-2 (74LS90).
  18. Connect Seven segment display 1 to Pin-15 (Output) of ICBase-2 (74LS90).
  19. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  20. Connect Pin-7 (Ground) of ICBase-3 (74LS08) to GND Port.
  21. Connect VCC Port to Pin-5 (Input) of ICBase-3 (74LS08).
  22. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Pin-15 (Output) of ICBase-2 (74LS90).
  23. Connect Pin-2 (Input) of ICBase-3 (74LS08) to Pin-14 (Output) of ICBase-2 (74LS90).
  24. Add IC 74LS90 into ICBase-1 (74LS90).
  25. Add IC 74LS90 into ICBase-2 (74LS90).
  26. Add IC 74LS08 into ICBase-3 (74LS08).