STMicroelectronics

M74HC574RM13TR

M74HC574RM13TR Description

The M74HC574RM13TR is a high-speed, low-power octal D-type flip-flop from STMicroelectronics, part of the 74HC series. Designed for surface-mount applications, it integrates 8-bit storage with edge-triggered clocking, making it ideal for data buffering and synchronization in digital systems. Operating within a 2V to 6V supply range, it supports a 90 MHz clock frequency and delivers a max propagation delay of 32ns at 6V, ensuring reliable performance in high-speed logic circuits. The device features 3-state outputs for bus-oriented applications and complies with ROHS3 and REACH environmental standards.

M74HC574RM13TR Features

• High-Speed Operation: 90 MHz clock frequency with 32ns propagation delay for efficient data handling.
• Low Power Consumption: 4 µA quiescent current (Iq) minimizes energy use in battery-powered systems.
• Wide Voltage Range: Operates from 2V to 6V, compatible with TTL and CMOS logic levels.
• Robust Output Drive: 7.8mA output current (high/low) ensures strong signal integrity.
• Compact & Reliable: 20-pin SOP package in tape-and-reel (TR) format, suitable for automated assembly.
• Environmental Compliance: ROHS3 and REACH unaffected, meeting modern regulatory requirements.

M74HC574RM13TR Applications

• Data Storage & Buffering: Ideal for register banks, FIFO buffers, and pipeline registers in microprocessors.
• Bus Interface Systems: 3-state outputs enable seamless integration into multiplexed bus architectures.
• Industrial Control: Used in PLCs, motor controllers, and sensor interfaces due to its noise immunity.
• Consumer Electronics: Suitable for set-top boxes, routers, and display drivers requiring edge-triggered latching.
• Automotive Systems: Reliable performance in ECUs and infotainment systems under varying voltages.

Conclusion of M74HC574RM13TR

The M74HC574RM13TR combines high-speed logic, low power consumption, and robust design, making it a versatile solution for modern digital systems. Its 8-bit edge-triggered architecture and wide voltage compatibility outperform similar flip-flops in efficiency and integration ease. While marked obsolete, it remains a dependable choice for legacy designs or applications requiring proven reliability. Engineers should consider this IC for data synchronization, bus management, and industrial control where precision and durability are critical.