17. Decade counters

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• Created on Feb 4, 2025 • undefined 0 • undefined 0 • undefined 1
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17. Decade counters
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undefined Integrated Circuits Used

74LS90

undefined Procedure

  1. Add IC 74LS90 into ICBase-1 (74LS90).
  2. Connect VCC Port to Pin-5 (VCC) of ICBase-1 (74LS90).
  3. Connect GND Port to Pin-16 (Ground) of ICBase-1 (74LS90).
  4. Connect Pin-2 (Input) of ICBase-1 (74LS90) to GND Port.
  5. Connect Output-0 to Pin-18 (Output) of ICBase-1 (74LS90).
  6. Connect Output-3 to Pin-17 (Output) of ICBase-1 (74LS90).
  7. Connect Output-1 to Pin-15 (Output) of ICBase-1 (74LS90).
  8. Connect Output-2 to Pin-14 (Output) of ICBase-1 (74LS90).
  9. Connect Pin-20 (Input) of ICBase-1 (74LS90) to Clock port of 1Hz frequency.
  10. Connect GND Port to Pin-3 (Input) of ICBase-1 (74LS90).
  11. Connect GND Port to Pin-6 (Input) of ICBase-1 (74LS90).
  12. Connect GND Port to Pin-7 (Input) of ICBase-1 (74LS90).
  13. Connect Pin-18 (Output) of ICBase-1 (74LS90) to Pin-1 (Input) of ICBase-1 (74LS90).