STMicroelectronics

M74HC574B1R

M74HC574B1R Description

The M74HC574B1R is a single 8-bit D-type flip-flop integrated circuit from STMicroelectronics, designed for high-speed and reliable data storage applications. This logic IC chip belongs to the 74HC series and is housed in a through-hole 20DIP package, making it suitable for a variety of electronic systems. Despite being marked as obsolete, the M74HC574B1R remains a robust choice for applications requiring a standard function D-type flip-flop.

M74HC574B1R Features

• High-Speed Operation: The M74HC574B1R operates at a clock frequency of up to 90 MHz, ensuring fast data processing and storage capabilities.
• Positive Edge Triggering: This IC is designed to trigger on the positive edge of the clock signal, providing precise timing control and synchronization.
• Wide Supply Voltage Range: With a supply voltage range of 2V to 6V, the M74HC574B1R offers flexibility in power supply requirements, making it suitable for various electronic systems.
• Low Quiescent Current: Consuming only 4 µA of quiescent current, this IC is energy-efficient, making it ideal for low-power applications.
• High Output Current Capability: The M74HC574B1R can provide up to 7.8mA of output current for both high and low states, ensuring reliable signal transmission.
• Low Input Capacitance: With an input capacitance of 5 pF, this IC minimizes signal propagation delays, enhancing overall system performance.
• Max Propagation Delay: The maximum propagation delay is 32ns at 6V and 150pF, ensuring fast data transfer and minimal latency.
• Compliance and Safety: The M74HC574B1R is REACH unaffected and RoHS3 compliant, meeting industry standards for environmental safety and sustainability.
• Moisture Sensitivity Level: With an MSL of 1 (Unlimited), this IC is highly resistant to moisture, making it suitable for a wide range of operating environments.

M74HC574B1R Applications

The M74HC574B1R is ideal for applications requiring reliable data storage and synchronization. Some specific use cases include:

• Digital Systems: Used in digital circuits for data latching and storage, ensuring accurate and synchronized data transfer.
• Microcontroller Interfaces: Ideal for interfacing with microcontrollers, providing temporary storage for data and control signals.
• Memory Systems: Used in memory systems to store and manage data, ensuring data integrity and fast access times.
• Communication Systems: Suitable for communication systems where data needs to be synchronized and stored temporarily during transmission.

Conclusion of M74HC574B1R

The M74HC574B1R from STMicroelectronics is a high-performance D-type flip-flop IC that offers a combination of speed, reliability, and flexibility. Its wide supply voltage range, low quiescent current, and high output current capability make it suitable for a variety of electronic applications. Despite its obsolete status, the M74HC574B1R remains a reliable choice for engineers and designers looking for a standard function D-type flip-flop with proven performance characteristics.