CD4017 Decade Counter IC | CMOS 10 Output Divider Counter Chip (DIP-16)

The CD4017 Decade Counter IC is a widely used CMOS logic chip designed for counting and sequencing applications. It converts clock input pulses into 10 decoded outputs, making it ideal for LED chasers, digital counters, and automation projects.

With its ability to activate outputs sequentially (Q0 to Q9), the CD4017 is perfect for creating running light effects, timing circuits, and event counters. It operates over a wide voltage range and consumes very low power, making it suitable for battery-powered and embedded systems.

This IC is beginner-friendly and highly popular among students, hobbyists, and professionals working on Arduino, robotics, and digital electronics projects.

🔧 Key Features

• Decade counter with 10 decoded outputs (Q0–Q9)
• Sequential output switching with clock input
• Wide operating voltage range (3V to 15V)
• Low power CMOS technology
• Reset and clock enable control pins
• Ideal for LED chaser and timing circuits
• Easy to use for beginners and DIY projects

⚙️ Applications

• LED chaser / running light circuits
• Digital counters and timers
• Event counting systems
• Sequential control circuits
• Arduino and electronics projects
• Automation and display systems