Overview

The DM74LS166N is an 8-Bit Parallel-In/Serial-Out Shift Register manufactured by Fairchild/ON Semiconductor. It belongs to the Low-power Schottky (LS) TTL logic family, offering a balance between speed and power consumption. This shift register is designed to convert parallel data into serial data, making it useful for applications such as serial communication, data multiplexing, and display driving.

Applications

• Serial communication
• Data multiplexing
• Display driving
• Keyboard scanning
• Remote control systems
• Digital signal processing

Features

• 8-Bit Parallel-In/Serial-Out Operation
• Synchronous Loading
• Asynchronous Clear
• Low Power Consumption
• TTL Compatible Inputs and Outputs
• Operating Voltage: 4.75V to 5.25V

Benefits

• Converts parallel data to serial format efficiently.
• Allows for synchronous loading of data.
• Provides an asynchronous clear function for resetting the register.
• Reduces power consumption in digital circuits.
• Interfaces easily with other TTL logic devices.
• Operates within the standard TTL voltage range.

Additional Details

The DM74LS166N is an 8-bit shift register that converts parallel data to serial data. The 'N' suffix typically denotes a plastic DIP (Dual In-line Package). It features synchronous parallel loading, meaning that data is loaded into the register on the rising edge of a clock pulse when the shift/load input is low. An asynchronous clear input allows for immediate resetting of the register. This device is commonly used in applications where parallel data needs to be transmitted serially, such as in communication interfaces and display systems. It's part of the 74LS family, known for its improved speed and power consumption compared to standard TTL logic. The operating voltage is typically 5V, and it is compatible with other TTL logic devices.