The UPD74HC164C is an 8-bit serial-in, parallel-out shift register manufactured by NEC. This device is commonly used to convert serial data streams into parallel data for applications such as display driving, data storage, and control systems. It features a clock input, a serial data input, and eight parallel outputs. It operates with high speed and low power consumption due to its CMOS technology.

Applications

• LED Displays: Driving multiple LEDs in a display using serial data.
• Data Acquisition Systems: Converting serial data from sensors into parallel format for processing.
• Remote Control Systems: Receiving serial commands and converting them to parallel control signals.
• Keyboard Scanning: Converting serial data from a keyboard to parallel data for microprocessor input.
• Logic Circuits: Implementing shift register functions in digital logic designs.
• Digital Clocks: Storing and shifting time data for display.

Features

• 8-Bit Serial-In, Parallel-Out: Converts serial data to 8-bit parallel data.
• High-Speed Operation: Operates at high clock frequencies.
• Serial Data Input: Accepts serial data from a single input pin.
• Clock Input: Synchronizes data shifting with a clock signal.
• Clear Input: Resets all outputs to a low state.
• CMOS Technology: Low power consumption and high noise immunity.
• Wide Operating Voltage Range: Operates over a wide range of supply voltages.

Benefits

• Reduced Wiring Complexity: Converts serial data to parallel data, reducing the number of wires required.
• High Data Throughput: Enables fast data transfer with high-speed operation.
• Easy Data Conversion: Simplifies the process of converting serial data to parallel data.
• Low Power Consumption: Minimizes power dissipation, making it suitable for battery-powered applications.
• Noise Immunity: High noise immunity ensures reliable operation in noisy environments.
• Simplified Circuit Design: Reduces the need for external components, simplifying circuit design.
• Versatile Applications: Suitable for a wide range of applications requiring serial-to-parallel data conversion.

Technical Specifications

• Operating Voltage Range: 2V to 6V.
• Operating Temperature Range: -40°C to +85°C.
• Clock Frequency: Up to 25 MHz.
• Input Voltage (Low): 0V to 0.8V.
• Input Voltage (High): 2V to VCC.
• Output Voltage (Low): 0V to 0.1V.
• Output Voltage (High): VCC - 0.1V to VCC.
• Quiescent Current: Typically less than 5µA.
• Package Type: DIP-14 or SOIC-14.

The UPD74HC164C is a reliable and efficient 8-bit serial-in, parallel-out shift register suitable for a wide range of applications. Its high-speed performance, low power consumption, and ease of use make it a valuable component in digital circuit design.