Description

16DIP HCF4017BE IC

Type: Johnson Decade Counter (CMOS logic IC).
Function: It counts clock pulses and activates one of 10 outputs sequentially.
Outputs: Q0 → Q9 (only one is HIGH at a time).
Clock input: Each pulse shifts the HIGH state to the next output.
Reset: Can reset the counter to start at Q0.
Carry-out pin: Allows cascading multiple chips for longer sequences.
Supply voltage range: 3V – 15V (often run at 5V or 12V).
Current: Very low (CMOS logic).