Product Overview: 74HCT166N from NXP

The 74HCT166N is a high-speed Si-gate CMOS device from NXP Semiconductors, renowned for its quality and performance in the industry. This integrated circuit is part of the 74HCT family, which is compatible with TTL levels, making it a perfect choice for interfacing with older technology as well as newer digital systems.

Key Features

• 8-bit Parallel-In/Serial-Out Shift Register: The 74HCT166N is designed to convert an 8-bit parallel input to a serial output stream, providing an efficient solution for expanding the input/output capabilities of microcontrollers and processors.
• Synchronous Load: It features a synchronous load capability, which allows the parallel data to be loaded into the register simultaneously with the application of a load signal, ensuring data integrity and synchronization with system operations.
• Direct Overriding Clear: This device includes a direct clear input that can override all other inputs, including the clock, to immediately clear the register, providing a quick way to reset the system.
• High-Speed Operation: The 74HCT166N operates at high speeds, which makes it suitable for fast data acquisition systems, communication interfaces, and other applications requiring quick data processing.
• TTL-Compatible Inputs: With inputs compatible with TTL levels, this shift register can be easily interfaced with a wide range of digital systems without the need for additional level-shifting components.

Applications

The versatility of the 74HCT166N allows it to be used in a multitude of applications, such as:

• Data acquisition systems
• Serial-to-parallel data conversion
• Remote data logging
• Microcontroller interface expansion
• Instrumentation and control systems

Technical Specifications

• Supply Voltage: 4.5V to 5.5V
• Operating Temperature: -40°C to +125°C
• Package: DIP-16
• Logic Family: 74HCT
• Logic Type: CMOS

In summary, the 74HCT166N from NXP is a robust and reliable choice for designers looking to implement an 8-bit parallel-in/serial-out shift register in their digital systems. Its compatibility with TTL levels and high-speed operation make it an ideal component for a wide range of applications.