CD4033 CMOS Decade Counter Divider IC

The CD4033 CMOS Decade Counter Divider IC is a 5-stage Johnson decade counter with decoded 7-segment display outputs, available in a DIP-16 package. It is commonly used for digital counters, clocks, frequency dividers, and electronic timers.

CD4033 Decade Counter Divider IC

The CD4033 Decade Counter Divider IC is a CMOS logic device that combines a 5-stage Johnson counter with decoded 7-segment display outputs. Packaged in a DIP-16, it is widely used for digital clocks, counters, frequency dividers, and display driving applications. With its wide voltage range (3V–15V), high noise immunity, and low power CMOS design, it is reliable for both DIY electronics and professional embedded systems.

🔹 Applications

Digital clocks and electronic timers
7-segment LED display drivers
Frequency dividers and counters
Scoreboards and digital measurement displays
Robotics and automation systems
DIY electronics & STEM learning projects

🔹 Precautions

Maximum supply voltage should not exceed 18V
Handle carefully to prevent ESD damage
Ensure proper grounding to avoid logic errors
Do not exceed current limits when driving 7-segment LEDs
Avoid prolonged high temperatures during soldering (<260°C, 10s max)

🔹 Technical Specifications

IC Type: Decade Counter with 7-Segment Decoder
Technology: CMOS
Package Type: DIP-16
Counter Type: Johnson 5-stage divide-by-10
Display Output: Directly drives 7-segment display
Supply Voltage Range (VDD): 3V – 15V (Max 18V)
Typical Operating Voltage: 5V, 10V, 15V
Propagation Delay: ~250ns (at VDD = 10V)
Clock Input Frequency: 5MHz max (at VDD = 10V)
Reset Pin: Resets counter to 0
Carry-Out Output: For cascading multiple counters
Operating Temperature Range: -55°C to +125°C
Pin Count: 16 pins

📹 Tutorial Video

Watch CD4033 Counter IC Tutorial

🔹 Related Categories

🔹 Summary

The CD4033 CMOS Decade Counter Divider IC (DIP-16) is a versatile and efficient digital IC for counter and display applications. With its built-in 7-segment decoder/driver, wide voltage range, and low power operation, it is widely used in digital clocks, timers, frequency counters, and educational electronics projects. A must-have IC in every IC’s collection.