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pratik wachkawade
pratik wachkawade
• Created on Nov 1, 2026 • 0 • 0 • 1
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Integrated Circuits Used

74LS90

Procedure

  1. Add IC 74LS90 into ICBase-2 (74LS90).
  2. Add IC 74LS90 into ICBase-3 (74LS90).
  3. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-2 (74LS90).
  4. Connect Pin-1 (Input) of ICBase-2 (74LS90) to Pin-18 (Output) of ICBase-2 (74LS90).
  5. Connect GND Port to Pin-2 (Input) of ICBase-2 (74LS90).
  6. Connect GND Port to Pin-3 (Input) of ICBase-2 (74LS90).
  7. Connect VCC Port to Pin-5 (VCC) of ICBase-2 (74LS90).
  8. Connect Pin-18 (Output) of ICBase-3 (74LS90) to Pin-1 (Input) of ICBase-3 (74LS90).
  9. Connect Clock port of 1Hz frequency to Pin-20 (Input) of ICBase-3 (74LS90).
  10. Connect GND Port to Pin-2 (Input) of ICBase-3 (74LS90).
  11. Connect GND Port to Pin-3 (Input) of ICBase-3 (74LS90).