STMicroelectronics

74ACT273TTR

74ACT273TTR Description

The 74ACT273TTR is a single 8-bit D-type flip-flop manufactured by STMicroelectronics, designed for high-performance digital applications. This logic IC chip is part of the 74ACT series and is packaged in a 20TSSOP surface-mount format, suitable for compact and efficient circuit board designs. The 74ACT273TTR operates within a supply voltage range of 4.5V to 5.5V, ensuring compatibility with standard 5V digital systems.

This IC features a clock frequency of up to 190 MHz, providing high-speed data processing capabilities. The flip-flop is triggered on the positive edge of the clock signal, ensuring precise timing control. The device also includes a master reset function, allowing for synchronous clearing of all flip-flops, which is essential for initializing systems and ensuring reliable operation.

The 74ACT273TTR has an input capacitance of 4 pF, contributing to its high-speed performance by minimizing signal delays. The maximum propagation delay is specified as 8.5ns at 5V with a maximum load capacitance of 50pF, ensuring rapid data transfer and minimal latency. The device draws a quiescent current of only 4 µA, making it highly energy-efficient, especially in low-power applications.

The 74ACT273TTR is available in a tape and reel (TR) package, facilitating automated assembly processes and ensuring high reliability during manufacturing. It is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. The moisture sensitivity level (MSL) is rated at 1 (unlimited), making it suitable for a wide range of environmental conditions without the need for special handling.

74ACT273TTR Features

• High-Speed Performance: With a clock frequency of up to 190 MHz, the 74ACT273TTR ensures rapid data processing, making it ideal for high-speed digital systems.
• Positive Edge Triggering: The flip-flop is triggered on the positive edge of the clock signal, providing precise timing control and synchronization.
• Master Reset Functionality: The master reset feature allows for synchronous clearing of all flip-flops, ensuring reliable system initialization.
• Low Power Consumption: The device draws a quiescent current of only 4 µA, making it highly energy-efficient and suitable for low-power applications.
• High Output Current Capability: The 74ACT273TTR can source and sink up to 24mA per output, providing robust drive capabilities for various digital loads.
• Wide Supply Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the IC is compatible with standard 5V digital systems.
• Environmental Compliance: The device is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.
• Moisture Sensitivity Level 1: The MSL rating of 1 (unlimited) makes the 74ACT273TTR suitable for a wide range of environmental conditions without special handling requirements.

74ACT273TTR Applications

The 74ACT273TTR is well-suited for a variety of high-speed digital applications, including:

• Data Storage and Transfer: Ideal for systems requiring rapid data storage and transfer, such as high-speed memory interfaces and data buffers.
• Digital Signal Processing: Suitable for digital signal processing applications where precise timing and high-speed data handling are critical.
• Communication Systems: Can be used in communication systems for data synchronization and signal processing.
• Automotive Electronics: Given its robustness and wide operating voltage range, the 74ACT273TTR is suitable for automotive applications where reliability and performance are paramount.
• Industrial Control Systems: The device's high-speed performance and low power consumption make it ideal for industrial control systems requiring efficient data processing and minimal latency.

Conclusion of 74ACT273TTR

The 74ACT273TTR from STMicroelectronics is a high-performance D-type flip-flop designed for demanding digital applications. Its high clock frequency, positive edge triggering, and master reset function provide precise timing control and reliable operation. The device's low power consumption, high output current capability, and wide supply voltage range make it versatile and efficient. The 74ACT273TTR's environmental compliance and moisture sensitivity level ensure it meets industry standards and can be used in a variety of conditions.

While the product is now obsolete, its unique features and performance benefits make it a valuable component for existing systems and legacy designs. For new designs, engineers may consider alternative models with similar specifications, but the 74ACT273TTR remains a reliable choice for applications requiring high-speed, low-power D-type flip-flops.