Texas Instruments

SN74AS174DR

SN74AS174DR Description

The SN74AS174DR is a single 6-bit D-type flip-flop IC designed by Texas Instruments, known for its robust performance and reliability in digital circuits. This device operates with a clock frequency of up to 100 MHz, ensuring high-speed data processing. 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 SN74AS174DR also includes a master reset function, allowing for the synchronous reset of all flip-flops, which is crucial for initializing circuits and ensuring consistent operation.

SN74AS174DR Features

• High-Speed Performance: With a maximum clock frequency of 100 MHz, the SN74AS174DR is capable of handling high-speed data processing, making it suitable for demanding digital applications.
• Positive Edge Triggering: This feature ensures that data is captured on the rising edge of the clock signal, providing precise timing control and reducing the risk of metastability.
• Master Reset Functionality: The master reset feature allows for the synchronous reset of all flip-flops, ensuring consistent and reliable operation, especially during initialization.
• Wide Supply Voltage Range: The SN74AS174DR operates within a supply voltage range of 4.5V to 5.5V, offering flexibility in power supply requirements.
• Low Propagation Delay: The maximum propagation delay is 10ns at 5V and 50pF, ensuring fast signal transmission and minimal latency.
• Low Quiescent Current: With a quiescent current of 45 mA, the SN74AS174DR is energy-efficient, making it suitable for applications where power consumption is a concern.
• High Output Current Capability: The device can provide an output high current of 2mA and an output low current of 20mA, ensuring robust signal integrity.
• Surface Mount Packaging: The SN74AS174DR is available in a surface mount package, facilitating easy integration into modern printed circuit boards (PCBs).
• Compliance and Safety: The device is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, making it suitable for a wide range of manufacturing environments.

SN74AS174DR Applications

The SN74AS174DR is ideal for a variety of applications that require high-speed data processing and reliable flip-flop functionality. Some specific use cases include:

• ** SignalDigital Processing**: The high clock frequency and low propagation delay make it suitable for applications involving digital signal processing, where precise timing and fast data handling are critical.
• Data Storage and Retrieval: The 6-bit flip-flop capability allows for efficient data storage and retrieval in digital systems, such as memory circuits and data registers.
• Synchronization Circuits: The master reset function and positive edge triggering ensure reliable synchronization in complex digital circuits, making it ideal for clock synchronization and timing control.
• Industrial Control Systems: The wide supply voltage range and robust performance make it suitable for industrial applications where reliability and durability are paramount.
• Consumer Electronics: The surface mount package and low quiescent current make it suitable for consumer electronics, where space and power efficiency are important considerations.

Conclusion of SN74AS174DR

The SN74AS174DR from Texas Instruments is a versatile and reliable D-type flip-flop IC, offering high-speed performance, precise timing control, and robust functionality. Its unique features, such as the master reset function and positive edge triggering, provide significant advantages over similar models. The wide supply voltage range, low propagation delay, and low quiescent current make it suitable for a variety of applications, from digital signal to processing industrial control systems. Despite being marked as obsolete, the SN74AS174DR remains a valuable component for designers and engineers looking for a reliable and efficient flip-flop solution.