lca method 2 (failed)

prisha chaudhari
prisha chaudhari
• Created on Apr 21, 2026 • 0 • 0 • 0
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lca method 2 (failed)
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Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Add IC 74LS90 into ICBase-3 (74LS90).
  3. Connect VCC Port to Pin-4 (Input & Output) of ICBase-1 (74LS90).
  4. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  5. Connect VCC Port to Pin-4 (Input & Output) of ICBase-3 (74LS90).
  6. Connect GND Port to Pin-16 (Ground) of ICBase-3 (74LS90).
  7. Connect GND Port to Pin-6 (Input) of ICBase-1 (74LS90).
  8. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  9. Connect GND Port to Pin-6 (Input) of ICBase-3 (74LS90).
  10. Connect GND Port to Pin-7 (Input) of ICBase-3 (74LS90).
  11. Connect Clock port of 1Hz frequency to Pin-1 (Input) of ICBase-1 (74LS90).
  12. Connect Pin-5 (VCC) of ICBase-1 (74LS90) to Pin-18 (Output) of ICBase-1 (74LS90).
  13. Connect Pin-1 (Input) of ICBase-3 (74LS90) to Pin-17 (Output) of ICBase-1 (74LS90).
  14. Connect Pin-5 (VCC) of ICBase-3 (74LS90) to Pin-18 (Output) of ICBase-3 (74LS90).
  15. Connect Pin-2 (Input) of ICBase-3 (74LS90) to Pin-15 (Output) of ICBase-1 (74LS90).
  16. Connect Pin-3 (Input) of ICBase-1 (74LS90) to Pin-18 (Output) of ICBase-3 (74LS90).
  17. Connect Pin-3 (Input) of ICBase-3 (74LS90) to Pin-18 (Output) of ICBase-3 (74LS90).