STMicroelectronics

M74HC534B1R

M74HC534B1R Description

The M74HC534B1R is a single 8-bit D-type flip-flop IC designed for high-speed digital applications. Manufactured by STMicroelectronics, this device is part of the 74HC series, known for its robust performance and reliability. Despite being marked as obsolete, the M74HC534B1R remains a viable option for specific legacy systems and applications where its unique features are still highly valued.

M74HC534B1R Features

High-Speed Operation:

• Clock Frequency: The M74HC534B1R operates at a clock frequency of up to 90 MHz, making it suitable for high-speed digital circuits.
• Trigger Type: It features a positive edge-triggered mechanism, ensuring precise timing control and synchronization.

Power Efficiency:

• Supply Voltage: The device operates within a wide supply voltage range of 2V to 6V, providing flexibility in power supply requirements.
• Quiescent Current: It draws a low quiescent current of only 4 µA, contributing to energy efficiency and reduced power consumption.

Performance:

• Max Propagation Delay: The maximum propagation delay is 32ns at 6V and 150pF, ensuring fast signal processing and minimal latency.
• Output Current: The device can handle an output current of 7.8mA for both high and low states, providing robust signal drive capabilities.

Compatibility and Compliance:

• Input Capacitance: With an input capacitance of 5 pF, the M74HC534B1R ensures compatibility with a wide range of digital systems.
• Compliance: It is REACH unaffected and RoHS3 compliant, adhering to stringent environmental and safety standards.
• Moisture Sensitivity Level: The MSL rating of 3 (168 hours) ensures the device's reliability in various environmental conditions.

Packaging:

• Mounting Type: The through-hole mounting type and 20DIP package make it easy to integrate into PCB designs, providing mechanical stability and ease of assembly.

M74HC534B1R Applications

The M74HC534B1R is ideal for a variety of applications due to its high-speed operation, low power consumption, and robust performance. Some specific use cases include:

• Digital Logic Circuits: Ideal for complex digital systems requiring precise timing and control.
• Data Storage and Transfer: Suitable for applications involving data buffering and storage, such as in memory modules and data transfer interfaces.
• Clock Management: Can be used in clock distribution networks and timing circuits where high accuracy and low latency are critical.
• Legacy Systems: Given its obsolete status, it remains a valuable component for maintaining and upgrading older systems where compatibility with existing hardware is essential.

Conclusion of M74HC534B1R

The M74HC534B1R, despite being marked as obsolete, continues to offer significant value in specific applications. Its high-speed operation, low power consumption, and robust performance make it a reliable choice for digital circuits. The device's wide supply voltage range, low quiescent current, and compliance with environmental standards further enhance its appeal. Whether used in legacy systems or new designs requiring specific compatibility, the M74HC534B1R remains a versatile and reliable component in the electronics industry.