STMicroelectronics

74LCX574TTR

74LCX574TTR Description

The 74LCX574TTR is a high-performance, low-voltage octal D-type flip-flop from STMicroelectronics, designed for 2V to 3.6V operation. Part of the 74LCX series, this 8-bit flip-flop features positive-edge triggering and delivers a 150 MHz clock frequency, making it suitable for high-speed digital systems. With a max propagation delay of 8.5ns @ 3.3V, 50pF, it ensures reliable data transfer in timing-critical applications. The device is housed in a 20-pin TSSOP package and is available in Tape & Reel (TR) for automated assembly.

74LCX574TTR Features

• Low-Voltage Operation: Supports 2V to 3.6V, ideal for battery-powered and portable devices.
• High-Speed Performance: 150 MHz clock frequency with 8.5ns propagation delay for fast data processing.
• Balanced Output Drive: 24mA sink/source current ensures robust signal integrity.
• Low Power Consumption: 10 µA quiescent current minimizes energy usage.
• RoHS3 Compliant & REACH Unaffected: Meets environmental and regulatory standards.
• Surface-Mount Design: 20-TSSOP package saves board space and suits high-density layouts.
• Input Capacitance of 6 pF: Reduces loading effects on preceding circuitry.

74LCX574TTR Applications

• Data Storage & Transfer: Ideal for buffering and latching in microprocessors, FPGAs, and memory interfaces.
• High-Speed Digital Systems: Used in networking equipment, telecom infrastructure, and embedded systems requiring low-voltage, high-speed logic.
• Portable Electronics: Suitable for mobile devices, IoT sensors, and other power-sensitive applications.
• Industrial Automation: Ensures reliable signal conditioning in PLCs, motor control, and timing circuits.

Conclusion of 74LCX574TTR

The 74LCX574TTR combines high-speed operation, low power consumption, and robust I/O capabilities, making it a versatile choice for modern digital designs. Its low-voltage compatibility and compact form factor cater to space-constrained and energy-efficient applications. While marked as Obsolete, it remains a reliable solution for legacy systems or designs prioritizing proven performance. Engineers can leverage its fast propagation delay and balanced drive strength for demanding timing and signal integrity requirements.