Half Subtractor

Sarthak
Sarthak Zambre
• Created on Jan 18, 2022 • 0 • 0 • 3
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Half Subtractor
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Integrated Circuits Used

74LS04 74LS08 74LS86

Description

7486 - XOR 7404 - NOT 7408 - AND Input: 15 - A; 14 - B Output: 10 - Difference; 9 - Borrow

Procedure

  1. Connect GND Port to Pin-7 (Ground) of ICBase-1 (74LS86).
  2. Connect GND Port to Pin-7 (Ground) of ICBase-2 (74LS04).
  3. Connect GND Port to Pin-7 (Ground) of ICBase-3 (74LS08).
  4. Connect VCC Port to Pin-20 (VCC) of ICBase-2 (74LS04).
  5. Connect VCC Port to Pin-20 (VCC) of ICBase-1 (74LS86).
  6. Connect VCC Port to Pin-20 (VCC) of ICBase-3 (74LS08).
  7. Connect Input-15 to Pin-1 (Input) of ICBase-1 (74LS86).
  8. Connect Input-14 to Pin-2 (Input) of ICBase-1 (74LS86).
  9. Connect Input-14 to Pin-2 (Input) of ICBase-3 (74LS08).
  10. Connect Input-15 to Pin-1 (Input) of ICBase-2 (74LS04).
  11. Connect Pin-1 (Input) of ICBase-3 (74LS08) to Pin-2 (Output) of ICBase-2 (74LS04).
  12. Connect Output-10 to Pin-3 (Output) of ICBase-1 (74LS86).
  13. Connect Output-9 to Pin-3 (Output) of ICBase-3 (74LS08).
  14. Add IC 74LS04 into ICBase-2 (74LS04).
  15. Add IC 74LS08 into ICBase-3 (74LS08).
  16. Add IC 74LS86 into ICBase-1 (74LS86).