Texas Instruments

SN74HC174PWT

SN74HC174PWT Description

The SN74HC174PWT is a single 6-bit D-type flip-flop with master reset functionality, designed for high-speed logic applications. Manufactured by Texas Instruments, this logic IC chip is part of the 74HC series and is housed in a 16-lead TSSOP package. It operates within a supply voltage range of 2V to 6V and features a clock frequency of up to 50 MHz, making it suitable for a variety of digital circuits. The device is triggered on the positive edge of the clock signal, ensuring precise timing control.

SN74HC174PWT Features

• High-Speed Operation: With a maximum clock frequency of 50 MHz, the SN74HC174PWT ensures fast data processing and synchronization.
• Positive Edge Triggering: This feature allows for reliable and predictable data capture on the rising edge of the clock signal.
• Master Reset Functionality: The master reset function provides a means to reset the flip-flops to a known state, enhancing system reliability and stability.
• Wide Supply Voltage Range: The device operates within a 2V to 6V supply voltage range, offering flexibility in power supply design.
• Low Quiescent Current: With a quiescent current of only 8 µA, the SN74HC174PWT is energy-efficient, making it suitable for low-power applications.
• Robust Output Current Capability: The device can source and sink up to 5.2 mA, ensuring strong and reliable signal drive.
• Low Input Capacitance: The input capacitance of 3 pF minimizes loading effects on the driving circuit, improving overall system performance.
• Compliance and Reliability: The SN74HC174PWT is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory compliance. It also has a moisture sensitivity level (MSL) of 1, making it suitable for surface mount applications without additional handling precautions.

SN74HC174PWT Applications

The SN74HC174PWT is ideal for a variety of applications where high-speed data processing and reliable flip-flop functionality are required. Some specific use cases include:

• Digital Clock Circuits: The high clock frequency and positive edge triggering make it suitable for clock distribution and synchronization in digital systems.
• Data Latching: The 6-bit D-type flip-flops can be used for data latching in microcontroller or microprocessor interfacing applications.
• Counter Circuits: The master reset function allows for easy initialization and control of counter circuits.
• Memory Management: The device can be used in memory management systems where data needs to be captured and stored reliably.
• Communication Interfaces: The robust output current capability and low input capacitance make it suitable for driving signals in communication interfaces.

Conclusion of SN74HC174PWT

The SN74HC174PWT is a versatile and reliable D-type flip-flop IC, offering high-speed operation, precise triggering, and robust performance. Its wide supply voltage range, low quiescent current, and compliance with environmental regulations make it a suitable choice for a wide range of digital applications. While it is marked as obsolete, its unique features and performance benefits continue to make it a valuable component for specific use cases. For applications requiring high-speed data processing and reliable flip-flop functionality, the SN74HC174PWT remains a solid choice.