Adder subtractor

Sunandhita
Sunandhita B
• Created on Jan 5, 2021 • 0 • 0 • 2
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Adder subtractor
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Integrated Circuits Used

74LS83 74LS86

Description

Output section: 10-Cout , 8-S3, 7-S2 , 6-S1 , 5-S0 Input section: 10-A3 , 9-A2 , 8-A1 , 7-A0 ; 5-B3 , 4-B2 , 3-B1 , 2-B0 ; 0- Cin

Procedure

  1. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS86).
  2. Connect Input-10 to Pin-1 (Input) of ICBase-2 (74LS83).
  3. Connect Input-9 to Pin-3 (Input) of ICBase-2 (74LS83).
  4. Connect Input-8 to Pin-8 (Input) of ICBase-2 (74LS83).
  5. Connect Input-7 to Pin-14 (Input) of ICBase-2 (74LS83).
  6. Connect Pin-1 (Input) of ICBase-3 (74LS86) to Input-5.
  7. Connect Input-0 to Pin-2 (Input) of ICBase-3 (74LS86).
  8. Connect Input-4 to Pin-4 (Input) of ICBase-3 (74LS86).
  9. Connect Input-0 to Pin-5 (Input) of ICBase-3 (74LS86).
  10. Connect Pin-20 (Input) of ICBase-2 (74LS83) to Pin-3 (Output) of ICBase-3 (74LS86).
  11. Connect Pin-4 (Input) of ICBase-2 (74LS83) to Pin-6 (Output) of ICBase-3 (74LS86).
  12. Connect Pin-14 (Output) of ICBase-3 (74LS86) to Pin-7 (Input) of ICBase-2 (74LS83).
  13. Connect Input-3 to Pin-15 (Input) of ICBase-3 (74LS86).
  14. Connect Pin-16 (Input) of ICBase-3 (74LS86) to Input-0.
  15. Connect Pin-17 (Output) of ICBase-3 (74LS86) to Pin-15 (Input) of ICBase-2 (74LS83).
  16. Connect Input-2 to Pin-18 (Input) of ICBase-3 (74LS86).
  17. Connect Input-0 to Pin-19 (Input) of ICBase-3 (74LS86).
  18. Add IC 74LS83 into ICBase-2 (74LS83).
  19. Add IC 74LS86 into ICBase-3 (74LS86).
  20. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS86).
  21. Connect Output-7 to Pin-2 (Output) of ICBase-2 (74LS83).
  22. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS83).
  23. Connect Output-6 to Pin-6 (Output) of ICBase-2 (74LS83).
  24. Connect Output-8 to Pin-19 (Output) of ICBase-2 (74LS83).
  25. Connect Output-10 to Pin-18 (Output) of ICBase-2 (74LS83).
  26. Connect Input-0 to Pin-17 (Input) of ICBase-2 (74LS83).
  27. Connect GND Port to Pin-16 (Ground) of ICBase-2 (74LS83).
  28. Connect Output-5 to Pin-13 (Output) of ICBase-2 (74LS83).
  29. Connect VCC Port to ICBase-3 (74LS86).