Product Overview: 74HC573 Octal D-Type Transparent Latch from NXP

The 74HC573 is a high-speed Si-gate CMOS device from NXP Semiconductors, renowned for its robust performance and versatility in various digital applications. This integrated circuit is designed to provide the functionality of an octal D-type transparent latch with 3-state outputs, making it an ideal choice for temporary storage of data and interfacing between mismatched bus speeds.

Key Features

• Octal D-Type Latch: The 74HC573 features eight latches with D-type inputs, allowing for simultaneous storage of 8 bits of data.
• Transparent Latch Operation: When the latch enable (LE) input is high, the Q outputs follow the data (D) inputs. When LE is low, the latches store the information that was present at the D inputs a set-up time preceding the high-to-low transition of LE.
• 3-State Outputs: The device includes an output enable (OE) input, which, when high, disables the outputs and puts them in a high-impedance state, facilitating bus-oriented applications.
• Wide Operating Voltage Range: The 74HC573 operates over a wide voltage range from 2.0 to 6.0 V, accommodating various logic levels and making it suitable for interfacing with microcontrollers and other logic devices.
• High Noise Immunity: Characterized by high noise immunity and low power consumption, the 74HC573 is reliable in electrically noisy environments.
• Compatibility: It is pin compatible with low power Schottky TTL (LSTTL), allowing for easy integration or replacement in systems initially designed for LSTTL devices.

Applications

The 74HC573 is widely used in a range of applications, including:

• Data storage and transfer
• Buffer registers
• System control
• Bus-oriented systems

With its durable construction and NXP's commitment to quality, the 74HC573 is a reliable component for designers and engineers looking to implement latching mechanisms in their digital logic systems. Its performance and flexibility make it a staple in the electronics industry, suitable for both commercial and industrial applications.