bcd to excess decoder

PAVAN
PAVAN KUMAR
• Created on Dec 28, 2020 • 0 • 0 • 3
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bcd to excess decoder
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Integrated Circuits Used

74LS04 74LS08 74LS32

Procedure

  1. Add IC 74LS04 into ICBase-1 (74LS04).
  2. Connect Pin-1 (Input) of ICBase-1 (74LS04) to Input-15.
  3. Connect Output-15 to Pin-2 (Output) of ICBase-1 (74LS04).
  4. Add IC 74LS08 into ICBase-2 (74LS08).
  5. Connect Pin-1 (Input) of ICBase-2 (74LS08) to Input-14.
  6. Connect Pin-2 (Input) of ICBase-2 (74LS08) to Input-15.
  7. Add IC 74LS32 into ICBase-3 (74LS32).
  8. Connect Pin-4 (Input) of ICBase-3 (74LS32) to Pin-3 (Output) of ICBase-2 (74LS08).
  9. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Input-14.
  10. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Input-15.
  11. Connect Pin-3 (Input) of ICBase-1 (74LS04) to Pin-3 (Output) of ICBase-3 (74LS32).
  12. Connect Pin-5 (Input) of ICBase-3 (74LS32) to Pin-4 (Output) of ICBase-1 (74LS04).
  13. Connect Output-14 to Pin-6 (Output) of ICBase-3 (74LS32).
  14. Connect Pin-4 (Input) of ICBase-2 (74LS08) to Pin-4 (Output) of ICBase-1 (74LS04).
  15. Connect Pin-5 (Input) of ICBase-2 (74LS08) to Input-13.
  16. Connect Pin-19 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-2 (74LS08).
  17. Connect Pin-5 (Input) of ICBase-1 (74LS04) to Input-13.
  18. Connect Pin-19 (Input) of ICBase-2 (74LS08) to Pin-6 (Output) of ICBase-1 (74LS04).
  19. Connect Pin-18 (Input) of ICBase-2 (74LS08) to Pin-3 (Output) of ICBase-3 (74LS32).
  20. Connect Pin-18 (Input) of ICBase-3 (74LS32) to Pin-17 (Output) of ICBase-2 (74LS08).
  21. Connect Output-13 to Pin-17 (Output) of ICBase-3 (74LS32).
  22. Connect Pin-16 (Input) of ICBase-2 (74LS08) to Input-13.
  23. Connect Pin-15 (Input) of ICBase-2 (74LS08) to Pin-3 (Output) of ICBase-3 (74LS32).
  24. Connect Pin-16 (Input) of ICBase-3 (74LS32) to Pin-14 (Output) of ICBase-2 (74LS08).
  25. Connect Pin-15 (Input) of ICBase-3 (74LS32) to Input-12.
  26. Connect Output-12 to Pin-14 (Output) of ICBase-3 (74LS32).