ON Semiconductor MC74VHC573DTR2 Octal Latch

The MC74VHC573DTR2 is a high-performance CMOS octal latch from ON Semiconductor, designed to operate with a 2V to 5.5V VCC supply. It's part of the VHC family, which is renowned for its low power consumption and high speed. This device is particularly suitable for battery-operated and low-power applications, as well as those requiring high-speed operation.

Key Features

• Versatile Voltage Operation: The device supports a wide operating voltage range from 2V to 5.5V, making it versatile for various applications.
• High Speed: With propagation delay times significantly reduced, this octal latch is capable of fast operation, which is essential for high-speed data processing.
• Low Power Dissipation: It has a low power consumption characteristic, with a 4µA maximum ICC at 25°C. This makes it an energy-efficient choice for power-sensitive designs.
• Bus-Compatible Outputs: The outputs are capable of driving up to 15 LSTTL loads, which means the device can be easily integrated into bus-oriented systems.
• Pin and Function Compatibility: The MC74VHC573DTR2 is pin-compatible with the high-speed CMOS (HC) and low-power Schottky TTL (LS) logic families, allowing for easy upgrades of existing systems with minimal redesign.

Product Applications

The MC74VHC573DTR2 is ideal for a variety of applications that require the temporary storage of data. It can be used in:

• Memory address latching
• Data multiplexing
• System control
• Data bus buffering and isolation

With its latch-enable (LE) and clear (CLR) inputs, the device allows for transparent latching when LE is HIGH and storage of data when LE is LOW. When CLR is LOW, all outputs are forced to a LOW state, regardless of the other inputs, providing a convenient clearing feature.

Quality and Reliability

ON Semiconductor is committed to delivering high-quality products. The MC74VHC573DTR2 is no exception, with rigorous testing and quality control measures in place to ensure reliability and performance in demanding applications. It is available in a TSSOP-20 package, providing a compact solution for space-constrained designs.