Texas Instruments

SN74HC574APWR

SN74HC574APWR Description

The SN74HC574APWR from Texas Instruments is a high-performance 8-bit D-type flip-flop with 3-state outputs, designed for surface-mount applications in a compact 20-pin TSSOP package. Operating within a 2V to 6V supply range, this device supports a clock frequency of up to 84 MHz, making it suitable for high-speed digital systems. With a low quiescent current of 8 µA, it ensures efficient power consumption, while its positive-edge triggering ensures reliable data capture. The 7.8mA output drive capability (both high and low) allows robust signal integrity in bus-oriented systems.

SN74HC574APWR Features

• High-Speed Operation: 84 MHz clock frequency and 33ns propagation delay (@6V, 150pF) enable rapid data processing.
• Low Power Consumption: 8 µA quiescent current minimizes energy usage in battery-powered applications.
• 3-State Outputs: Facilitates bus sharing in multi-device systems without contention.
• Wide Voltage Range (2V–6V): Compatible with TTL and CMOS logic levels, enhancing design flexibility.
• Robust Output Drive: 7.8mA symmetrical output current ensures strong signal transmission.
• REACH & RoHS3 Compliant: Environmentally friendly and suitable for modern regulatory standards.
• Surface-Mount Package (TSSOP-20): Ideal for space-constrained PCB designs.

SN74HC574APWR Applications

This flip-flop excels in high-speed data storage, buffering, and bus interfacing applications, including:

• Microprocessor/Microcontroller Systems: Acts as an address or data latch in embedded designs.
• Communication Equipment: Ensures synchronized data transfer in networking hardware.
• Industrial Control Systems: Provides reliable signal conditioning in automation and PLCs.
• Consumer Electronics: Used in displays, memory modules, and peripheral interfaces.
• Automotive Electronics: Suitable for infotainment and sensor data processing due to its robust performance.

Conclusion of SN74HC574APWR

The SN74HC574APWR stands out for its speed, low power, and versatility, making it a preferred choice for engineers requiring high-performance flip-flops in compact designs. Its 3-state outputs, wide voltage compatibility, and strong drive capability make it ideal for bus-oriented and high-speed digital systems. Whether in industrial, automotive, or consumer applications, this device delivers reliable, efficient, and compliant performance, aligning with modern electronic design demands.