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Samruddhi Patil
Samruddhi Patil
• Created on Jul 22, 2026 • 0 • 0 • 3
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Integrated Circuits Used

74LS21 74LS04 74LS32

Procedure

  1. Add IC 74LS21 into ICBase-1 (74LS21).
  2. Add IC 74LS04 into ICBase-2 (74LS04).
  3. Connect Input-0 to Pin-1 (Input) of ICBase-2 (74LS04).
  4. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS04).
  5. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS04).
  6. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS21).
  7. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS21).
  8. Connect Input-1 to Pin-3 (Input) of ICBase-2 (74LS04).
  9. Connect Input-2 to Pin-5 (Input) of ICBase-2 (74LS04).
  10. Connect Pin-1 (Input) of ICBase-1 (74LS21) to Input-0.
  11. Connect Pin-2 (Input) of ICBase-1 (74LS21) to Input-1.
  12. Connect Pin-4 (Input) of ICBase-1 (74LS21) to Pin-3 (Input & Output) of ICBase-1 (74LS21).
  13. Connect Pin-5 (Input) of ICBase-1 (74LS21) to Input-2.
  14. Add IC 74LS32 into ICBase-3 (74LS32).
  15. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Pin-3 (Input & Output) of ICBase-1 (74LS21).
  16. Add IC 74LS32 into ICBase-4 (74LS32).
  17. Connect Pin-1 (Input) of ICBase-4 (74LS32) to Pin-6 (Output) of ICBase-1 (74LS21).
  18. Connect Pin-19 (Input) of ICBase-1 (74LS21) to Input-0.
  19. Connect Pin-18 (Input) of ICBase-1 (74LS21) to Pin-4 (Output) of ICBase-2 (74LS04).
  20. Connect Pin-16 (Input) of ICBase-1 (74LS21) to Pin-17 (Input & Output) of ICBase-1 (74LS21).
  21. Connect Pin-15 (Input) of ICBase-1 (74LS21) to Pin-6 (Output) of ICBase-2 (74LS04).
  22. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Pin-14 (Output) of ICBase-1 (74LS21).
  23. Connect Pin-4 (Input) of ICBase-3 (74LS32) to Pin-3 (Output) of ICBase-3 (74LS32).