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Yousef Albert S. Reyes
Yousef Albert S. Reyes
• Created on May 10, 2026 • 0 • 0 • 2
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Integrated Circuits Used

74LS02 74LS27

Procedure

  1. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS02).
  2. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS27).
  3. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS02).
  4. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS02).
  5. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS27).
  6. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS02).
  7. Add IC 74LS02 into ICBase-1 (74LS02).
  8. Add IC 74LS27 into ICBase-2 (74LS27).
  9. Add IC 74LS02 into ICBase-3 (74LS02).
  10. Connect Pin-18 (Input) of ICBase-3 (74LS02) to Input-0.
  11. Connect Pin-17 (Input) of ICBase-3 (74LS02) to Input-0.
  12. Connect Pin-14 (Input) of ICBase-3 (74LS02) to Input-1.
  13. Connect Pin-15 (Input) of ICBase-3 (74LS02) to Input-1.
  14. Connect Pin-6 (Input) of ICBase-3 (74LS02) to Input-2.
  15. Connect Pin-5 (Input) of ICBase-3 (74LS02) to Input-2.
  16. Connect Pin-2 (Input) of ICBase-3 (74LS02) to Pin-19 (Output) of ICBase-3 (74LS02).
  17. Connect Pin-3 (Input) of ICBase-3 (74LS02) to Pin-16 (Output) of ICBase-3 (74LS02).
  18. Connect Pin-1 (Input) of ICBase-2 (74LS27) to Pin-1 (Output) of ICBase-3 (74LS02).
  19. Connect Pin-2 (Input) of ICBase-1 (74LS02) to Pin-19 (Output) of ICBase-3 (74LS02).
  20. Connect Pin-3 (Input) of ICBase-1 (74LS02) to Input-2.
  21. Connect Pin-2 (Input) of ICBase-2 (74LS27) to Pin-1 (Output) of ICBase-1 (74LS02).
  22. Connect Pin-5 (Input) of ICBase-1 (74LS02) to Pin-16 (Output) of ICBase-3 (74LS02).
  23. Connect Pin-6 (Input) of ICBase-1 (74LS02) to Pin-4 (Output) of ICBase-3 (74LS02).
  24. Connect Pin-19 (Input) of ICBase-2 (74LS27) to Pin-4 (Output) of ICBase-1 (74LS02).
  25. Connect Pin-18 (Input) of ICBase-1 (74LS02) to Pin-18 (Output) of ICBase-2 (74LS27).
  26. Connect Pin-17 (Input) of ICBase-1 (74LS02) to Pin-18 (Output) of ICBase-2 (74LS27).
  27. Connect Output-0 to Pin-19 (Output) of ICBase-1 (74LS02).
  28. Connect Pin-3 (Input) of ICBase-2 (74LS27) to Pin-1 (Output) of ICBase-3 (74LS02).
  29. Connect Pin-4 (Input) of ICBase-2 (74LS27) to Pin-1 (Output) of ICBase-1 (74LS02).
  30. Connect Pin-4 (Output) of ICBase-1 (74LS02) to Pin-5 (Input) of ICBase-2 (74LS27).
  31. Connect Pin-14 (Input) of ICBase-1 (74LS02) to Pin-6 (Output) of ICBase-2 (74LS27).
  32. Connect Pin-15 (Input) of ICBase-1 (74LS02) to Pin-6 (Output) of ICBase-2 (74LS27).
  33. Connect Output-3 to Pin-16 (Output) of ICBase-1 (74LS02).
  34. Connect Output-5 to Pin-6 (Output) of ICBase-2 (74LS27).
  35. Connect Pin-3 (Input) of ICBase-1 (74LS02) to Pin-4 (Output) of ICBase-3 (74LS02).