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SHAURYA THAPA
SHAURYA THAPA
• Created on Feb 23, 2026 • 0 • 0 • 3
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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. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS21).
  4. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS04).
  5. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS32).
  6. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS21).
  7. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS32).
  8. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS04).
  9. Connect Pin-5 (Input) of ICBase-2 (74LS32) to Pin-6 (Output) of ICBase-1 (74LS21).
  10. Connect Input-15 to Pin-4 (Input) of ICBase-1 (74LS21).
  11. Connect Input-14 to Pin-5 (Input) of ICBase-1 (74LS21).
  12. Connect Input-10 to Pin-4 (Input) of ICBase-2 (74LS32).
  13. Add IC 74LS04 into ICBase-3 (74LS04).
  14. Connect Output-10 to Pin-6 (Output) of ICBase-1 (74LS21).
  15. Connect Pin-5 (Input) of ICBase-3 (74LS04) to Pin-6 (Output) of ICBase-2 (74LS32).
  16. Connect Output-2 to Pin-6 (Output) of ICBase-3 (74LS04).