STMicroelectronics

74VHCT273ATTR

74VHCT273ATTR Description

The 74VHCT273ATTR is a single 8-bit D-type flip-flop with master reset functionality, designed for high-speed and reliable performance in digital circuits. Manufactured by STMicroelectronics, this logic IC chip is part of the 74VHCT series and is housed in a 20-TSSOP package. Despite its obsolete status, the 74VHCT273ATTR remains a valuable component for specific applications due to its robust technical specifications and performance benefits.

74VHCT273ATTR Features

• Clock Frequency: The 74VHCT273ATTR operates at a clock frequency of up to 160 MHz, ensuring high-speed data processing and synchronization in digital systems.
• Trigger Type: It features positive edge triggering, which means the flip-flop captures the input data on the rising edge of the clock signal, providing precise timing control.
• Master Reset Functionality: The master reset function allows for the synchronous reset of all flip-flops, ensuring a clean state initialization and reliable operation.
• Power Supply Voltage: The IC operates within a supply voltage range of 4.5V to 5.5V, making it suitable for standard 5V digital systems.
• Low Quiescent Current: With a quiescent current of only 4 µA, the 74VHCT273ATTR is highly energy-efficient, making it ideal for low-power applications.
• High Output Current Capability: The IC can source and sink up to 8 mA, providing robust drive capability for various digital loads.
• Low Propagation Delay: The maximum propagation delay is 9.2 ns at 5V and 50 pF, ensuring fast signal transmission and minimal latency.
• Input Capacitance: The low input capacitance of 6 pF minimizes loading effects on the driving circuit, maintaining signal integrity.
• Compliance and Reliability: The 74VHCT273ATTR is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating unlimited exposure time, which enhances its reliability in various environmental conditions.

74VHCT273ATTR Applications

The 74VHCT273ATTR is ideal for a range of applications where high-speed data processing, reliable synchronization, and low power consumption are critical. Some specific use cases include:

• Digital Signal Processing: The high clock frequency and low propagation delay make it suitable for processing and synchronizing high-speed digital signals in communication systems and data processing units.
• Microcontroller Interfaces: The master reset function and low quiescent current are beneficial for interfacing with microcontrollers, ensuring reliable operation and energy efficiency.
• Memory Systems: The 8-bit flip-flop can be used in memory systems for data storage and retrieval, providing a compact and efficient solution.
• Automotive Electronics: The robustness and compliance with environmental standards make it suitable for automotive applications where reliability and safety are paramount.
• Industrial Control Systems: The high output current capability and low input capacitance ensure reliable operation in industrial control systems, where precise timing and signal integrity are essential.

Conclusion of 74VHCT273ATTR

Despite being marked as obsolete, the 74VHCT273ATTR remains a reliable and efficient choice for specific applications requiring high-speed, low-power, and robust digital circuitry. Its unique features, such as the master reset function and low propagation delay, provide significant advantages over similar models. The 74VHCT273ATTR is ideal for use in digital signal processing, microcontroller interfaces, memory systems, automotive electronics, and industrial control systems. Its compliance with environmental and safety standards further enhances its suitability for modern electronic designs.