STMicroelectronics M74HCT573M1R Product Overview

The M74HCT573M1R is a high-speed CMOS octal latch manufactured by STMicroelectronics, designed for use in a wide array of electronic applications that require the storage of eight bits of data. This integrated circuit (IC) is particularly suitable for interfacing with bus-oriented systems due to its transparent latch feature, which allows direct input-to-output connections while the latch-enable (LE) input is high.

The device belongs to the HCT family, which means it is compatible with TTL (Transistor-Transistor Logic) levels, allowing for easy integration into systems that utilize TTL logic without the need for additional interfacing components. The M74HCT573M1R operates with a power supply range of 4.5V to 5.5V, which is typical for 5V digital systems, ensuring reliable performance and compatibility with standard digital logic voltage levels.

Key Features

• Logic Type: Octal D-Type Transparent Latch
• Output Type: 3-State, which allows for bus driving with high-impedance state during off cycles.
• Number of Channels: 8, providing the ability to store eight individual bits of data.
• Supply Voltage Range: 4.5V to 5.5V, suitable for interfacing with standard TTL logic levels.
• Operating Temperature Range: -55°C to +125°C, ensuring stability and functionality across a wide range of environmental conditions.
• Package: The device comes in a SOIC-20 package, which is compact and suitable for surface-mounted technology (SMT).

Applications

The M74HCT573M1R is versatile and can be used in a variety of applications, including:

• Computers and computer peripherals
• Data storage and retrieval systems
• Communication systems
• Instrumentation and control circuits
• Microprocessor/microcontroller systems

This octal latch is designed to meet the requirements of JEDEC standard no. 7A, ensuring industry-standard specifications and performance. With its robust design and compatibility with TTL logic levels, the M74HCT573M1R from STMicroelectronics is a reliable choice for designers looking to incorporate an octal latch into their digital systems.