adder subtractor

Deepesh
Deepesh Kumar
• Created on Feb 24, 2021 • 0 • 0 • 2
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adder subtractor
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Integrated Circuits Used

74LS83 74LS86

Description

INPUT SECTION: 15-A3, 14-A2, 13-A1, 12-A0, 9-B3, 8-B2, 7-B1, 6-B0, 3-Cin OUTPUT SECTION: 15-Cout, 3-S3, 2-S2, 1-S1, 0-S0

Procedure

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