Texas Instruments

SN74HC164DR

The SN74HC164DR is a high-speed 8-bit shift register manufactured by Texas Instruments. It is part of the 74HC series of logic devices, which are known for their high performance and low power consumption.

Description:

The SN74HC164DR is a serial-in, parallel-out shift register that can store and shift 8 bits of data. It has a serial input (DS) for entering data, a parallel input (D0 to D7) for loading data, and an 8-bit parallel output (Q0 to Q7) for retrieving the shifted data. The device also features a storage register that holds the shifted data and a shift register that shifts the data.

Features:

1. High-speed operation: The SN74HC164DR can operate at clock frequencies up to 180 MHz, making it suitable for high-speed data processing applications.
2. Low power consumption: The device has a low power consumption of typically 1.2 mA, which makes it suitable for battery-powered applications.
3. 8-bit shift register: The device can store and shift 8 bits of data, making it useful for applications that require data buffering or serial-to-parallel conversion.
4. Serial and parallel inputs: The device has both serial and parallel inputs, allowing for flexible data entry options.
5. 8-bit parallel output: The device has an 8-bit parallel output, allowing for easy retrieval of the shifted data.
6. Storage and shift registers: The device features a storage register that holds the shifted data and a shift register that shifts the data, providing flexibility in data processing.

Applications:

The SN74HC164DR is commonly used in a variety of applications, including:

1. Data buffering: The device can be used to buffer data in high-speed data processing applications, such as in digital signal processing or data communication systems.
2. Serial-to-parallel conversion: The device can be used to convert serial data to parallel data, which can be useful in applications that require parallel data processing.
3. Data storage: The device can be used to store data temporarily, such as in memory expansion applications.
4. LED display control: The device can be used to control the segments of an LED display, allowing for dynamic display of information.
5. Data communication: The device can be used in data communication systems, such as in serial communication protocols like SPI or I2C.

Overall, the SN74HC164DR is a versatile and high-performance shift register that can be used in a wide range of applications requiring data buffering, serial-to-parallel conversion, or data storage. Its high-speed operation and low power consumption make it an ideal choice for battery-powered or high-speed applications.