STMicroelectronics

74VHCT574ATTR

74VHCT574ATTR Description

The 74VHCT574ATTR is a single 8-bit D-type flip-flop IC manufactured by STMicroelectronics. This device is designed for high-speed digital applications and features a clock frequency of up to 130 MHz, ensuring efficient data handling and processing. The flip-flop is triggered on the positive edge of the clock signal, which is ideal for synchronous digital systems. Despite being marked as obsolete, the 74VHCT574ATTR remains a reliable choice for legacy systems and specific applications where its unique features are required.

74VHCT574ATTR Features

• Clock Frequency: The 74VHCT574ATTR operates at a maximum clock frequency of 130 MHz, providing high-speed performance suitable for demanding digital applications.
• Trigger Type: The positive edge-triggered design ensures precise timing and synchronization, making it ideal for clock-driven systems.
• Voltage - Supply: The device operates within a supply voltage range of 4.5V to 5.5V, offering flexibility and compatibility with various power supply configurations.
• Input Capacitance: With an input capacitance of 4 pF, the 74VHCT574ATTR minimizes signal delays and ensures reliable operation in high-frequency circuits.
• Max Propagation Delay: The maximum propagation delay is 10.6ns at 5V and 50pF, ensuring quick data transfer and minimal latency.
• Current - Quiescent: The low quiescent current of 4 µA makes this IC energy-efficient, reducing power consumption in standby mode.
• Number of Bits per Element: The 8-bit per element design allows for efficient data storage and processing in digital systems.
• Current - Output High, Low: The device provides an output current of 8mA for both high and low states, ensuring robust signal integrity.
• Compliance and Standards: The 74VHCT574ATTR is REACH unaffected and RoHS3 compliant, meeting environmental and regulatory standards for electronic components.
• Moisture Sensitivity Level (MSL): The MSL rating of 1 (Unlimited) ensures the device is suitable for various manufacturing environments without the risk of moisture-related damage.

74VHCT574ATTR Applications

The 74VHCT574ATTR is well-suited for a variety of applications, particularly those requiring high-speed data processing and reliable storage. Some specific use cases include:

• Digital Systems: Ideal for use in digital systems where data integrity and high-speed operation are critical, such as in microprocessors, memory controllers, and digital signal processing.
• Communication Systems: Suitable for communication systems that require fast data transfer and synchronization, such as in serial communication interfaces and network devices.
• Industrial Control: The robust design and high-speed performance make it suitable for industrial control applications, including programmable logic controllers (PLCs) and automation systems.
• Legacy Systems: Given its obsolete status, the 74VHCT574ATTR is particularly valuable for maintaining and upgrading legacy systems where its specific features are still required.

Conclusion of 74VHCT574ATTR

The 74VHCT574ATTR, despite being obsolete, remains a valuable component for specific high-speed digital applications. Its combination of high clock frequency, positive edge triggering, and low quiescent current makes it an efficient and reliable choice for digital systems. The device's compliance with environmental and regulatory standards ensures its suitability for modern manufacturing processes. For applications requiring fast data processing and reliable storage, the 74VHCT574ATTR is an excellent option, particularly in legacy systems where its unique features are essential.