Texas Instruments

SN74ALS574BDWR

SN74ALS574BDWR Description

The SN74ALS574BDWR from Texas Instruments is a high-performance 8-bit D-type flip-flop with 3-state outputs, designed for surface-mount applications in the 74ALS series. Operating within a 4.5V to 5.5V supply range, this IC is optimized for high-speed digital systems, offering a clock frequency of 35 MHz and a max propagation delay of 14ns at 5V, 50pF. It features positive-edge triggering, ensuring reliable data capture on the rising clock edge. The device is RoHS3 compliant and REACH unaffected, making it suitable for environmentally conscious designs. Packaged in a 20-pin SOIC (Tape & Reel), it is ideal for automated assembly processes.

SN74ALS574BDWR Features

• High-Speed Operation: Supports 35 MHz clock frequency with 14ns propagation delay, enabling efficient data transfer in time-critical applications.
• Robust Output Drive: Delivers 2.6mA (High) and 24mA (Low) output current, ensuring strong signal integrity in bus-oriented systems.
• 3-State Outputs: Allows multiple devices to share a common bus without contention, enhancing system flexibility.
• Low Power Consumption: 18mA quiescent current minimizes energy usage in standby modes.
• Wide Operating Temperature: Functions reliably from 0°C to 70°C, suitable for industrial and commercial environments.
• MSL1 Rated: Unlimited shelf life at room temperature, simplifying inventory management.

SN74ALS574BDWR Applications

• Data Storage & Transfer: Ideal for register banks, buffering, and pipeline systems in microprocessors and DSPs.
• Bus Interface Systems: Used in address/data buses for memory or peripheral interfacing due to its 3-state outputs.
• Industrial Control: Suitable for PLC modules, motor controllers, and other high-noise environments requiring stable signal latching.
• Communication Equipment: Ensures precise timing in networking hardware, routers, and switches.
• Automotive Electronics: Compatible with dashboard displays and sensor interfaces where moderate temperature ranges apply.

Conclusion of SN74ALS574BDWR

The SN74ALS574BDWR stands out as a high-speed, low-power flip-flop with excellent drive strength and 3-state control, making it a versatile choice for digital logic designs. Its robust construction, compliance with environmental standards, and compatibility with automated manufacturing position it as a reliable solution for data storage, bus management, and industrial systems. Engineers seeking a balance of performance, efficiency, and reliability in 8-bit flip-flops will find this IC exceptionally well-suited for their applications.