The QS74FCT2574ATZ is an octal D-type transparent latch from Quality Semiconductor. It is part of the FCT (Fast CMOS Technology) family, designed for high-speed performance and low power consumption. This device is ideal for applications requiring temporary data storage and retrieval in digital systems.

Applications

• Data buffering in memory systems
• Address latching in microprocessor-based systems
• I/O port expansion
• Pipeline registers
• General-purpose storage registers

Features

• High-speed operation: Fast propagation delays for improved system performance.
• Low power consumption: Minimizes power requirements for energy-efficient designs.
• Octal configuration: Provides eight independent D-type latches in a single package.
• Transparent mode: Data passes directly through the latch when the enable input is asserted.
• 3-state outputs: Allows for connection to a shared bus, preventing bus contention.
• TTL compatible inputs: Interfaces seamlessly with TTL logic circuits.
• Industrial temperature range: Operates reliably in a wide range of environmental conditions.

Benefits

• Increased system throughput: High-speed operation enables faster data processing.
• Reduced power consumption: Low power characteristics contribute to energy savings and extended battery life in portable applications.
• Simplified system design: Octal configuration reduces the number of components required, simplifying board layout and reducing costs.
• Enhanced data integrity: Transparent mode allows for real-time data monitoring and manipulation.
• Flexible bus interface: 3-state outputs enable easy integration into bus-oriented systems.

Additional Details

The QS74FCT2574ATZ operates from a 4.75V to 5.25V power supply. The propagation delay is typically in the range of nanoseconds, depending on the specific operating conditions. The device is available in a variety of packages, including SOIC and DIP. It is designed to meet or exceed JEDEC standards for ESD protection. This part is commonly used in applications where speed and low power are crucial, such as in networking equipment, computer peripherals, and industrial control systems.