SN74HC166DRE4 - Texas Instruments 8-Bit Parallel-Load Shift Registers

The SN74HC166DRE4 from Texas Instruments is a high-performance, 8-bit shift register that operates at a wide voltage range and provides a reliable solution for digital data storage and transfer. This integrated circuit is part of the 74HC series, known for its high-speed CMOS technology, which is compatible with most TTL families.

Key Features:

• Wide Operating Voltage Range: The SN74HC166DRE4 functions optimally across a voltage range of 2V to 6V, making it versatile for various applications and compatible with other logic levels.
• High-Current Output Drive: Capable of driving up to 15 LSTTL loads, this device ensures strong signal transmission and minimal data loss, even in demanding environments.
• Parallel or Serial Input: Users can load data into the register either in parallel or serial format, offering flexibility in terms of input methods and system integration.
• Direct Overriding Clear: An asynchronous clear input (CLR) allows for the immediate clearing of the register, providing a quick way to reset the system when necessary.
• Clock Inhibit Control: The CLK INH control feature enables users to manage the timing of data shifts, ensuring synchronization with system requirements.
• Complementary Outputs: Provides both QH and Q̅H outputs for improved signal processing, allowing for direct interfacing with a variety of digital components.

Applications:

The SN74HC166DRE4 is suitable for a wide range of electronic applications, including:

• Serial-to-parallel data conversion
• Remote control holding registers
• Data acquisition systems
• Instrumentation and test equipment
• Automotive systems

Package and Quality:

Offered in a compact SOP (Small Outline Package), the SN74HC166DRE4 is designed for space-efficient PCB layouts and is available in tape and reel packaging for automated assembly processes. Texas Instruments ensures high-quality manufacturing standards, with each component being subjected to rigorous testing to guarantee performance and reliability.

For detailed specifications, application notes, and additional resources, designers and engineers are encouraged to consult the official Texas Instruments datasheet for the SN74HC166DRE4.