Overview
The CD4017BK3 is a CMOS Decade Counter/Divider IC produced by Harris Corporation, a well-known manufacturer in the semiconductor industry. This IC is widely used in digital electronics for counting and sequencing applications. It is part of the 4000 series CMOS logic family, known for its low power consumption and versatility. The CD4017BK3 is designed for use in applications requiring reliable counting and timing functions, making it suitable for hobbyists, engineers, and professionals in electronics design and development. Its unique selling points include its simplicity, robustness, and compatibility with a wide range of digital systems.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3 to 15 | V | Wide operating range |
| Maximum Clock Frequency | 5.5 | MHz | At 10V supply |
| Output Current | ±2.5 | mA | High drive capability |
| Power Dissipation | 500 | mW | Maximum |
| Operating Temperature Range | -55 to +125 | °C | Wide temperature range |
| Package Type | TO-92 | - | Through-hole package |
Key Features
- Decade counting with 10 decoded outputs
- Low power consumption typical of CMOS technology
- Reset function for easy initialization
- High noise immunity
- Wide supply voltage range for versatile applications
Applications
The CD4017BK3 is utilized in a variety of applications including LED chasers, frequency dividers, sequencers, and timers. It is particularly effective in projects requiring sequential activation of components, such as in decorative lighting, electronic games, and educational kits. Its robustness and ease of use make it a popular choice for both prototyping and final product development in consumer electronics and industrial automation.
Q & A
What is the maximum supply voltage for the CD4017BK3?
The maximum supply voltage for the CD4017BK3 is 15V.
Can the CD4017BK3 operate at high frequencies?
Yes, it can operate at frequencies up to 5.5 MHz at a 10V supply.
Is the CD4017BK3 suitable for battery-operated devices?
Yes, its low power consumption makes it suitable for battery-operated devices.
What is the output current capability of the CD4017BK3?
The CD4017BK3 can source or sink up to ±2.5 mA per output.
How does the reset function work in the CD4017BK3?
The reset function allows the counter to be initialized to the first output, ensuring a known starting point for the sequence.
What is the operating temperature range of the CD4017BK3?
It operates within a temperature range of -55°C to +125°C.
Can the CD4017BK3 be used in automotive applications?
Yes, its wide temperature range and robustness make it suitable for automotive applications.
What package type does the CD4017BK3 come in?
It comes in a TO-92 through-hole package.
How many outputs does the CD4017BK3 have?
It has 10 decoded outputs.
Is the CD4017BK3 compatible with TTL logic?
While it is a CMOS device, it can interface with TTL logic with appropriate level shifting.
