The TC74VHC165FK is an 8-bit parallel-in/serial-out shift register from Toshiba. It belongs to the VHC (Very High-Speed CMOS) family, offering high-speed operation and low power consumption. This device is designed for applications requiring parallel-to-serial data conversion, such as data transmission, keyboard scanning, and interfacing with microcontrollers. Its versatile operation and high-speed performance make it suitable for various digital systems.

Applications

• Data Transmission: Used in serial data transmission systems.
• Keyboard Scanning: Employed in keyboard scanning circuits to convert parallel key presses to serial data.
• Microcontroller Interfacing: Found in systems where a microcontroller needs to receive data from a parallel source.
• Data Multiplexing: Utilized in data multiplexing applications.
• Digital Logic Systems: General-purpose shift register for digital circuits.

Features

• High-Speed Operation: Offers a typical propagation delay of 5.5 ns at VCC = 5V.
• Low Power Consumption: Features low quiescent current, minimizing power dissipation.
• Wide Operating Voltage Range: Operates from 2V to 5.5V.
• 8-Bit Parallel-In/Serial-Out: Converts 8-bit parallel data to serial data.
• Synchronous Operation: Data is shifted on the positive edge of the clock signal.

Benefits

• Improved System Performance: High-speed operation enables faster data transmission and processing.
• Reduced Power Consumption: Low power consumption contributes to energy efficiency and longer battery life.
• Flexible Operation: Wide operating voltage range allows for use in various systems.
• Versatile Data Conversion: Converts parallel data to serial data for various applications.
• Compact Design: Small package size facilitates space-saving designs.

Additional Details

The TC74VHC165FK is available in a SOP (Small Outline Package). It operates over a temperature range of -40°C to +85°C. The input pins are equipped with protection diodes to guard against electrostatic discharge (ESD). This component is lead-free and RoHS compliant.