IC-7490

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sai jannawar
• Created on Sep 9, 2025 • 0 • 0 • 3
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 IC-7490
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Integrated Circuits Used

74LS90 74LS08 74LS32

Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Connect Input-1 to Pin-20 (Input) of ICBase-1 (74LS90).
  3. Connect Input-2 to Pin-1 (Input) of ICBase-1 (74LS90).
  4. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  5. Add IC 74LS08 into ICBase-2 (74LS08).
  6. Connect Pin-1 (Input) of ICBase-3 (74LS32) to Pin-17 (Output) of ICBase-1 (74LS90).
  7. Connect Pin-1 (Input) of ICBase-2 (74LS08) to Pin-14 (Output) of ICBase-1 (74LS90).
  8. Connect Pin-2 (Input) of ICBase-2 (74LS08) to Pin-15 (Output) of ICBase-1 (74LS90).
  9. Connect Pin-4 (Input) of ICBase-2 (74LS08) to Pin-3 (Output) of ICBase-2 (74LS08).
  10. Connect Pin-5 (Input) of ICBase-2 (74LS08) to Pin-18 (Output) of ICBase-1 (74LS90).
  11. Connect Pin-2 (Input) of ICBase-3 (74LS32) to Pin-6 (Output) of ICBase-2 (74LS08).
  12. Add IC 74LS32 into ICBase-3 (74LS32).