CD4017BE Decade Counter/Divider IC – High-Performance CMOS Logic from Texas Instruments
The CD4017BE is a high-speed CMOS Decade Counter/Divider with 10 Decoded Outputs, designed and manufactured by Texas Instruments (TI). This versatile integrated circuit is widely used in digital electronics for counting, sequencing, and timing applications. With its robust design, low power consumption, and high noise immunity, it is a preferred choice among engineers and system designers in industrial, automotive, and consumer electronics sectors.
As a trusted component in the IC Manufacturer catalog, the CD4017BE is backed by TI’s decades of innovation in semiconductor technology. It is ideal for applications requiring reliable digital counting and output sequencing, such as LED chasers, frequency dividers, and event counters.
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Technical Specifications and Electrical Characteristics
The following table outlines the key technical parameters of the CD4017BE, ensuring engineers have the data needed for accurate system integration:
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range (VDD) | 3 to 15 | V |
| Maximum Clock Frequency | 5 MHz (at VDD = 10V) | Hz |
| Input High Voltage (VIH) | 0.7 × VDD (min) | V |
| Input Low Voltage (VIL) | 0.3 × VDD (max) | V |
| Output Drive Current | ±1.5 (at VDD = 5V) | mA |
| Power Dissipation | 500 | mW |
| Operating Temperature Range | -55 to +125 | °C |
| Package Type | PDIP-16 | – |
Why Choose This CMOS Decade Counter Over Alternatives?
The CD4017BE offers several performance advantages over typical TTL-based or older CMOS counters. Its wide supply voltage range (3V to 15V) makes it compatible with both low-voltage and high-voltage systems, offering flexibility in design. The IC’s high noise immunity and low static power consumption are critical for battery-powered and industrial applications where reliability and efficiency are paramount.
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Compared to standard decade counters, this device features 10 fully decoded outputs, eliminating the need for additional decoding logic. The built-in carry-out signal allows for cascading multiple counters, enabling extended counting sequences without complex circuitry. Additionally, the CD4017BE’s asynchronous reset and clock inhibit functions provide precise control over counting operations, which is essential in timing-sensitive applications.
According to industry professionals and embedded system designers, the CD4017BE is a “go-to” component for prototyping and production due to its predictable behavior and ease of use. Its compatibility with a wide range of logic families and microcontrollers further enhances its appeal in modern digital systems.
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Typical Applications in Industrial and Consumer Electronics
This IC is widely used in a variety of digital logic applications, including:
- LED sequencing and chaser circuits
- Frequency division in signal processing
- Event counting in automation systems
- Digital clocks and timers
- Light control systems in automotive dashboards
- Security systems for zone activation
Its ability to drive multiple outputs with minimal external components makes it ideal for compact and cost-effective designs.
Texas Instruments – A Trusted Name in Semiconductor Innovation
Texas Instruments (TI) is a global leader in analog and embedded processing semiconductors. With a legacy of innovation and quality, TI components are known for their reliability and performance in mission-critical applications. The CD4017BE is part of TI’s extensive CMOS logic family, designed to meet the demands of modern electronics with robust specifications and long-term availability.
TI’s commitment to quality and support ensures that engineers and OEMs can rely on the CD4017BE for both prototyping and high-volume production. The IC is manufactured under stringent quality control standards, ensuring consistent performance across batches.
Frequently Asked Questions (FAQ)
1. What is the function of the CD4017BE in a circuit?
The CD4017BE functions as a decade counter with 10 decoded outputs. It counts input clock pulses and activates one of its 10 outputs sequentially, making it ideal for timing and sequencing applications.
2. Can I cascade multiple CD4017BE ICs for extended counting?
Yes, the IC includes a carry-out (CO) pin that allows cascading with additional counters. This enables counting beyond 10 steps by connecting the CO output to the clock input of the next IC.
3. What is the maximum clock frequency supported by this IC?
The maximum clock frequency is approximately 5 MHz when operating at a supply voltage of 10V. This makes it suitable for moderate-speed digital applications requiring reliable timing.
4. Is the CD4017BE compatible with 3.3V logic systems?
Yes, the IC operates from 3V to 15V, making it compatible with 3.3V logic systems. However, ensure that input and output voltage levels are within the specified limits for reliable operation.
