Design and implement full adder and full subtractor function using IC-74138.

Ashwani Singh
Ashwani Singh
• Created on Nov 7, 2025 • 2 • 0 • 0
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Design and implement full adder and full subtractor function using IC-74138.
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Procedure

  1. Connect VCC Port to Pin-20 (Input & Output) of ICBase-1.
  2. Connect VCC Port to Pin-20 (Input & Output) of ICBase-2.
  3. Connect GND Port to Pin-7 (Input & Output) of ICBase-2.
  4. Connect GND Port to Pin-7 (Input & Output) of ICBase-1.
  5. Connect GND Port to Pin-4 (Input & Output) of ICBase-1.
  6. Connect VCC Port to Pin-6 (Input & Output) of ICBase-1.
  7. Connect Input-1 to Pin-2 (Input & Output) of ICBase-1.
  8. Connect GND Port to Pin-8 (Input & Output) of ICBase-1.
  9. Connect Pin-2 (Input & Output) of ICBase-2 to Pin-18 (Input & Output) of ICBase-1.
  10. Connect Pin-4 (Input & Output) of ICBase-2 to Pin-15 (Input & Output) of ICBase-1.
  11. Connect Output-0 to Pin-6 (Input & Output) of ICBase-2.
  12. Connect Pin-1 (Input & Output) of ICBase-3 to Pin-17 (Input & Output) of ICBase-1.
  13. Connect Pin-2 (Input & Output) of ICBase-3 to Pin-13 (Input & Output) of ICBase-1.
  14. Connect Pin-4 (Input & Output) of ICBase-3 to Pin-14 (Input & Output) of ICBase-1.
  15. Connect Output-1 to Pin-6 (Input & Output) of ICBase-3.