STMicroelectronics M74HC595B1R 8-bit Shift Register

The M74HC595B1R from STMicroelectronics is a high-performance, 8-bit shift register designed for the efficient management of digital data in a variety of electronic applications. This integrated circuit (IC) is a part of the high-speed CMOS family and is particularly suitable for expanding the width of input/output ports in microcontroller-based systems, LED displays, and in the serial-to-parallel data conversion tasks.

Key Features

• 8-bit Serial-In, Parallel-Out Shift Register: The M74HC595B1R allows serial input and provides parallel output, which makes it ideal for interfacing with microcontrollers.
• High-Speed Operation: Compatible with high-speed operation, this shift register works efficiently in systems that require quick data processing and manipulation.
• Low Power Consumption: With CMOS technology, it ensures low power dissipation, which is crucial for battery-powered and energy-saving applications.
• Output Drive Capability: It can drive up to 15 LSTTL loads, providing the versatility needed for various electronic designs.
• Multiple Package Options: The M74HC595B1R is available in different packages, including DIP, SO, and TSSOP, offering flexibility for PCB design and space constraints.

Applications

The versatile nature of the M74HC595B1R makes it suitable for a wide range of applications. It is commonly used in:

• Microcontroller I/O port expansion
• LED display control
• Data acquisition systems
• Communication systems
• Instrumentation

Technical Specifications

The M74HC595B1R operates with a supply voltage ranging from 2V to 6V and features a clock input (CP) and a clock enable (CE) pin for enhanced control over the data shifting process. Its serial data is entered through a serial input pin (DS), and the device includes an output enable (OE) pin, which allows the user to control the output transition from high impedance to active state.

For detailed technical specifications, reference datasheets, and application notes, customers are encouraged to visit the official STMicroelectronics website or contact their support for further assistance.