The 74ACT573B from STMicroelectronics is a high-speed CMOS octal latch designed for use in a wide range of digital applications. This integrated circuit is part of the 74ACT series, which is well-known for its robust performance and compatibility with TTL (Transistor-Transistor Logic) levels. The 74ACT573B is particularly suitable for temporary storage of data and for implementing buffer registers, I/O ports, and bus-oriented systems.

Key Features

• Octal D-Type Latch: The device contains eight latches with 3-state outputs for bus organized systems applications.
• High-Speed Operation: The 74ACT573B is capable of operating at high speeds, with a typical clock frequency of up to 150 MHz.
• Wide Operating Voltage Range: It can function with a supply voltage ranging from 4.5V to 5.5V, making it versatile for various digital systems.
• Low Power Consumption: Designed for low power consumption, it also features a low ICC current when outputs are in the high-impedance state.
• Output Drive Capability: The device can drive up to 24mA at the outputs, allowing for the direct drive of LEDs or other high-current devices.
• Input and Output Interface: Inputs are compatible with TTL levels, and outputs are designed to interface with both TTL and CMOS levels.

Applications

The 74ACT573B is suitable for a variety of digital applications, including:

• Buffer registers for data management
• Input/output ports in microprocessor systems
• Bus-oriented systems where isolation is required during memory and peripheral interfacing

Quality and Reliability

STMicroelectronics is committed to providing high-quality products, and the 74ACT573B is no exception. It is manufactured to meet the stringent requirements of the industrial and automotive markets, ensuring reliable performance in even the most demanding conditions.

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