Texas Instruments

SN74HCT574PW

SN74HCT574PW Description

The SN74HCT574PW from Texas Instruments is a high-performance, 8-bit D-type flip-flop with 3-state outputs, designed for surface-mount applications. Operating within a 4.5V to 5.5V supply range, this IC is part of the 74HCT series, offering 40 MHz clock frequency and low power consumption (8 µA quiescent current). It features positive-edge triggering and a max propagation delay of 47ns @ 5.5V, making it ideal for high-speed data storage and transfer applications. The device is RoHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance. Packaged in a 20-pin TSSOP, it is suitable for compact PCB designs.

SN74HCT574PW Features

• High-Speed Operation: Supports clock frequencies up to 40 MHz with a propagation delay of 47ns, ensuring efficient data handling.
• Low Power Consumption: 8 µA quiescent current minimizes energy usage, ideal for battery-powered or energy-sensitive systems.
• 3-State Outputs: Allows multiple devices to share a common bus, reducing system complexity.
• Robust Output Drive: 6mA output current (high/low) ensures reliable signal integrity in noisy environments.
• Wide Voltage Range: Operates at 4.5V–5.5V, compatible with TTL and CMOS logic levels.
• Surface-Mount Design: 20-pin TSSOP package enables high-density PCB layouts.

SN74HCT574PW Applications

• Data Storage Systems: Buffering and latching data in microprocessors or memory interfaces.
• Communication Equipment: Signal synchronization in UART, SPI, or I2C interfaces.
• Industrial Control Systems: Reliable edge-triggered data capture in PLCs and automation hardware.
• Consumer Electronics: Used in displays, printers, and embedded systems for data pipeline management.
• Automotive Electronics: Suitable for ECU and sensor data processing due to its robust performance.

Conclusion of SN74HCT574PW

The SN74HCT574PW stands out for its high-speed operation, low power consumption, and 3-state outputs, making it a versatile choice for modern digital systems. Its compatibility with TTL/CMOS logic, compact packaging, and reliability make it ideal for applications ranging from industrial controls to consumer electronics. Texas Instruments' commitment to quality ensures this flip-flop meets stringent performance and environmental standards, providing engineers with a dependable solution for data storage and transfer needs.