The M74LS166AP is a high-speed 8-bit parallel-in/serial-out shift register fabricated with Low power Schottky technology. It is designed for general purpose storage and serial transmission applications, operating from a single 5V power supply. The device features asynchronous master reset and synchronous parallel loading for increased operational flexibility. This IC is commonly utilized in applications requiring data serialization and transmission.

Applications:

• Serial data transmission
• Data multiplexing
• Keyboard scanning
• Serial-to-parallel conversion
• General digital logic

Features:

• Parallel or Serial Input Capability
• Asynchronous Master Reset
• Synchronous Parallel Loading
• 8-Bit Register
• High Speed Operation
• Low Power Consumption

Benefits:

• Versatile Data Handling: Allows both parallel and serial data input, offering flexibility in system design.
• Efficient Data Transmission: Ideal for serial data transmission applications, reducing the number of required interconnections.
• Simplified System Design: Integrated master reset simplifies initialization and error recovery.
• High-Speed Operation: Ensures fast data processing and transmission.
• Low Power Consumption: Reduces overall system power requirements and improves energy efficiency.

Additional Details:

The M74LS166AP operates within a supply voltage range of 4.75V to 5.25V and is characterized for operation from 0°C to 70°C. It is housed in a 16-pin DIP package. The device features a clock input, serial input, parallel data inputs (A-H), and a serial output (Q). The master reset input allows for asynchronous clearing of the register. The parallel load enable input controls the synchronous parallel loading of data.