The NXP 74HCT4017 is a high-speed Si-gate CMOS device that is a part of the 74HCT family of integrated circuits. This decade counter/divider is designed to be directly interfaced with TTL levels, offering a robust and versatile solution for various digital applications. The 74HCT4017 is widely used in counting operations, which makes it an essential component in electronic devices requiring precise timing and control sequences.

Key Features

• High-Speed Performance: The 74HCT4017 operates at a high speed, making it suitable for applications that require quick response times and efficient processing of digital signals.
• TTL Compatible: This device can be directly connected to TTL logic levels, ensuring compatibility with older technology and ease of integration into existing systems.
• Low Power Consumption: As part of the CMOS family, the 74HCT4017 is designed for low power consumption, which helps in reducing the overall power requirements of the system it is used in.
• Decade Counter/Divider Functionality: The IC features a 5-stage Johnson decade counter with 10 decoded outputs, which can be used for various counting and dividing configurations.
• Multiple Operating Modes: It includes a master reset function and can operate in either a divide-by-10 Johnson counter mode or a divide-by-8 counter mode when Q5-9 is connected to the CP0 input.

Applications

The 74HCT4017 is versatile and can be used in a wide range of applications, including:

• Time Delay Circuits
• Counter/Display Drivers
• Sequential Control Systems
• Frequency Dividers
• Alarm Systems
• LED Sequencers and Controllers

Technical Specifications

• Supply Voltage Range: 2.0 to 6.0 V
• Output Current: -25 mA to +25 mA
• Operating Temperature: -40°C to +125°C
• Package Options: Includes DIP, SO, and TSSOP packages

The NXP 74HCT4017 is a reliable and efficient solution for designers and engineers looking to implement counting or dividing functions within their digital systems. Its compatibility with TTL levels and low power consumption makes it a practical choice for a multitude of electronic applications.