STMicroelectronics

74ACT574TTR

74ACT574TTR Description

The 74ACT574TTR is a high-performance D-type flip-flop IC designed by STMicroelectronics. This single-element, 8-bit flip-flop operates with a clock frequency of up to 270 MHz, ensuring rapid data processing and synchronization. It features a positive-edge trigger type, which means it captures data on the rising edge of the clock signal, providing precise timing control. The device is powered by a supply voltage ranging from 4.5V to 5.5V, making it suitable for a variety of standard voltage applications.

The 74ACT574TTR is housed in a 20-pin TSSOP package and is available in tape and reel (TR) format, facilitating surface-mount assembly processes. It boasts an input capacitance of 4 pF, which helps minimize signal distortion and ensures reliable operation at high frequencies. The maximum propagation delay is 10ns at 5V with a maximum load capacitance of 50pF, ensuring fast signal transmission and minimal latency.

74ACT574TTR Features

• High-Speed Operation: With a clock frequency of up to 270 MHz, the 74ACT574TTR is optimized for high-speed data processing and synchronization.
• Positive Edge Triggering: This ensures precise timing control, making it ideal for applications requiring accurate data capture on the rising edge of the clock signal.
• Wide Supply Voltage Range: The 4.5V to 5.5V supply voltage range provides flexibility and compatibility with various power supply configurations.
• Low Quiescent Current: Consuming only 4 µA in quiescent mode, the 74ACT574TTR is energy-efficient, making it suitable for low-power applications.
• High Output Current Capability: The device can source and sink up to 24mA, providing robust output drive capabilities.
• Compliance and Safety: The 74ACT574TTR is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 1 (unlimited), the device is highly resistant to moisture, enhancing its reliability in various environmental conditions.

74ACT574TTR Applications

The 74ACT574TTR is ideal for a wide range of applications where high-speed data processing and precise timing control are required. Some specific use cases include:

• Digital Signal Processing: The high clock frequency and low propagation delay make it suitable for processing high-speed digital signals.
• Data Synchronization: The positive-edge triggering ensures accurate synchronization of data in complex digital systems.
• Memory Interfaces: The 8-bit flip-flop can be used in memory interfaces to manage data flow and ensure reliable data storage and retrieval.
• Communication Systems: The device's robust output drive capabilities and wide supply voltage range make it suitable for various communication systems.

Conclusion of 74ACT574TTR

The 74ACT574TTR from STMicroelectronics is a versatile and high-performance D-type flip-flop IC that offers several advantages over similar models. Its high clock frequency, positive-edge triggering, and wide supply voltage range make it suitable for a variety of applications requiring precise timing and high-speed data processing. The device's low quiescent current and high output current capability further enhance its performance and reliability. Despite being marked as obsolete, the 74ACT574TTR remains a valuable component for engineers and designers looking for a reliable and efficient solution for their digital systems.