ON Semiconductor MM74HC165MTCX: High-Speed 8-Bit Parallel-In/Serial-Out Shift Register

The MM74HC165MTCX is a versatile and high-performance 8-bit shift register designed by ON Semiconductor, a leading figure in the semiconductor industry. This component is specifically engineered to convert parallel input data to serial output format with high precision and speed. It is a crucial element in digital systems where there is a need to reduce the number of data lines or to interface with serial communication protocols.

Key Features

• High-Speed Operation: The MM74HC165MTCX operates at typical shift frequency of 100 MHz, making it suitable for high-speed data processing applications.
• Low Power Consumption: Utilizing advanced silicon-gate CMOS technology, it offers low power dissipation yet high noise immunity characteristic of CMOS circuitry.
• Parallel or Serial Shift Register Modes: It can be used in a variety of configurations, including parallel-to-serial data conversion, which is essential for microcontroller interfacing and data acquisition systems.
• Wide Operating Voltage Range: The device can function over a broad voltage range from 2V to 6V, accommodating various logic level requirements.
• Multiple Package Options: Available in a TSSOP-16 package, the MM74HC165MTCX is designed for space-saving and efficient PCB layout.

Applications

The MM74HC165MTCX is ideally suited for a range of digital applications, including:

• Data acquisition systems
• Instrumentation and control systems
• Interface circuits for microprocessors/microcontrollers
• Serial-to-parallel data conversion
• Remote data logging

Technical Specifications

With its 8-bit parallel input and serial output configuration, the MM74HC165MTCX offers a seamless integration into digital systems. It features two output enable controls to either enable the outputs or force them to a high impedance state, thus allowing for multiple devices to share a common serial data line. The shift register also includes a direct clear input that clears the register asynchronously, ensuring a more controlled and reliable operation.

In summary, the ON Semiconductor MM74HC165MTCX shift register is a high-quality integrated circuit that provides efficient and reliable performance for a wide array of digital data processing tasks. Its combination of speed, low power consumption, and versatile operating conditions make it an excellent choice for designers looking to optimize their digital applications.