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
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Digital clocks and electronic timers
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7-segment LED display drivers
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Frequency dividers and counters
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Scoreboards and digital measurement displays
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Robotics and automation systems
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DIY electronics & STEM learning projects
🔹 Precautions
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Maximum supply voltage should not exceed 18V
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Handle carefully to prevent ESD damage
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Ensure proper grounding to avoid logic errors
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Do not exceed current limits when driving 7-segment LEDs
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Avoid prolonged high temperatures during soldering (<260°C, 10s max)
🔹 Technical Specifications
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IC Type: Decade Counter with 7-Segment Decoder
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Technology: CMOS
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Package Type: DIP-16
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Counter Type: Johnson 5-stage divide-by-10
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Display Output: Directly drives 7-segment display
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Supply Voltage Range (VDD): 3V – 15V (Max 18V)
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Typical Operating Voltage: 5V, 10V, 15V
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Propagation Delay: ~250ns (at VDD = 10V)
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Clock Input Frequency: 5MHz max (at VDD = 10V)
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Reset Pin: Resets counter to 0
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Carry-Out Output: For cascading multiple counters
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Operating Temperature Range: -55°C to +125°C
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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.
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