onsemi

MC74AC273DTR2

MC74AC273DTR2 Description

The MC74AC273DTR2 is a single 8-bit D-type flip-flop IC designed for high-performance digital applications. Manufactured by onsemi, this logic IC chip is part of the 74AC series and is packaged in a 20-TSSOP surface-mount format, making it suitable for compact and space-efficient designs. Despite being marked as obsolete, the MC74AC273DTR2 remains a reliable choice for applications requiring robust and efficient data handling.

MC74AC273DTR2 Features

• Clock Frequency: The MC74AC273DTR2 operates at a clock frequency of up to 175 MHz, ensuring high-speed data processing and synchronization.
• Trigger Type: It features a positive edge triggering mechanism, which provides precise control over data latching and timing.
• Function: The IC includes a master reset function, allowing for reliable and consistent initialization of the flip-flops.
• Voltage - Supply: It operates within a wide supply voltage range of 2V to 6V, offering flexibility in power supply requirements.
• REACH Status: The product is REACH unaffected, ensuring compliance with environmental and safety regulations.
• Input Capacitance: With an input capacitance of 4.5 pF, the IC minimizes signal delays and power consumption.
• Moisture Sensitivity Level (MSL): The MSL rating of 1 (unlimited) indicates that the device is highly resistant to moisture, making it suitable for various environmental conditions.
• Max Propagation Delay: The maximum propagation delay is 9ns at 5V with a maximum load capacitance of 50pF, ensuring fast and reliable data transfer.
• Current - Quiescent (Iq): The low quiescent current of 8 µA contributes to energy efficiency, making it suitable for low-power applications.
• Number of Bits per Element: Each flip-flop element can store 8 bits of data, providing significant data handling capacity.
• Current - Output High, Low: The output current capability of 24mA for both high and low states ensures robust signal driving capabilities.

MC74AC273DTR2 Applications

The MC74AC273DTR2 is ideal for a variety of applications where high-speed data processing and reliable storage are required. Some specific use cases include:

• Digital Signal Processing: The high clock frequency and low propagation delay make it suitable for processing and synchronizing digital signals in communication systems.
• Data Storage and Latching: The 8-bit storage capacity and master reset function are beneficial for temporary data storage and initialization in microcontroller and microprocessor systems.
• Timing and Control Circuits: The positive edge triggering and wide voltage range make it ideal for timing and control applications in industrial automation and robotics.
• Memory and Buffer Applications: Its ability to handle high-speed data makes it suitable for memory buffering and data transfer in computer systems and peripherals.

Conclusion of MC74AC273DTR2

The MC74AC273DTR2, despite being obsolete, remains a valuable component in the electronics industry due to its high performance and reliability. Its high clock frequency, low propagation delay, and robust output current capabilities make it an excellent choice for applications requiring fast and efficient data processing. The wide supply voltage range and low quiescent current further enhance its versatility and energy efficiency. While newer alternatives may be available, the MC74AC273DTR2 continues to be a reliable option for engineers and designers working on legacy systems or applications where its unique features are particularly advantageous.