The CD4017 is a CMOS Decade counter IC. CD4017 is used for low range counting applications. It can count from 0 to 10 (the decade count). The circuit designed by using this ic will save board space and also time required to design the circuit. CD4017 is a 'Johnson 10 stage decade counter

Features

• The supply voltage of this IC is 3V to 15V.
• It is compatible with TTL (Transistor -Transistor Logic).
• The clock speed or operational speed of  CD4017 IC is 5 MHz.

This IC is also used in electronic industries, automotive industries, manufacturing medical electronic devices, alarms and in electronic instrumentation devices.

CD4017 Pin description

It has 16 I/O pins.