SN74LS165 Parallel-Load 8-Bit Shift Registers

The SN74LS165 from ON Semiconductor is a high-performance, parallel-load, 8-bit shift register designed for use in systems that require high-speed data transfer and manipulation. This integrated circuit is part of the 74LS logic family, known for its low power consumption and high-speed operation, making it suitable for a wide variety of digital applications.

Key Features

• Parallel-Load Capability: The SN74LS165 allows for the parallel loading of data into its eight flip-flops, which can then be shifted out serially, offering flexibility in data handling.
• Synchronous Operation: The device operates synchronously, with both the parallel loading and serial shifting being controlled by separate clock inputs, ensuring precise timing and data integrity.
• Direct Overriding Clear: A direct clear function is provided, which enables the user to reset the entire register, ensuring that the device can be quickly initialized as required.
• Wide Operating Voltage: It operates over a wide voltage range, typically from 4.75V to 5.25V, providing compatibility with standard TTL power supply levels.
• High-Speed Performance: The SN74LS165 is designed for high-speed operation, with typical shift frequencies reaching up to the megahertz range.

Applications

The versatility of the SN74LS165 makes it ideal for a variety of digital applications, including:

• Serial-to-parallel data conversion
• Data acquisition systems
• Instrumentation and control systems
• Interface circuits
• Microprocessor input/output expansion

Product Specifications

The SN74LS165 features a standard 16-pin DIP (Dual In-line Package) or SOIC (Small Outline Integrated Circuit) package, making it easy to integrate into a wide range of electronic circuits. Its low power Schottky technology contributes to the device's high-speed performance while maintaining low power consumption.

ON Semiconductor's dedication to quality ensures that the SN74LS165 meets the stringent requirements of the electronics industry, with the device being thoroughly tested for operational reliability. For designers and engineers looking for a reliable and efficient way to manage digital data, the SN74LS165 represents a robust and versatile solution.