B)" - an innovative digital circuit design by Pratik Kshirsagar using 74LS21, 74LS32 and 74LS04. Circuit stats: 3 ICs. View, edit, or fork this circuit on DeldSim." /> B)" - an innovative digital circuit design by Pratik Kshirsagar using 74LS21, 74LS32 and 74LS04. Circuit stats: 3 ICs. View, edit, or fork this circuit on DeldSim." /> B)" - an innovative digital circuit design by Pratik Kshirsagar using 74LS21, 74LS32 and 74LS04. Circuit stats: 3 ICs. View, edit, or fork this circuit on DeldSim." />

2-Bit comparator (A>B)

Pratik
Pratik Kshirsagar
• Created on Jul 22, 2024 • 0 • 0 • 3
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2-Bit comparator (A>B)
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Integrated Circuits Used

74LS21 74LS32 74LS04

Procedure

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