STMicroelectronics

M41ST84WMQ6E

M41ST84WMQ6E Description

The M41ST84WMQ6E is a highly integrated Real Time Clock (RTC) and Calendar IC designed by STMicroelectronics. This device is part of the M41ST family and offers a comprehensive set of features suitable for a wide range of applications. It operates on a supply voltage range of 2.7V to 3.6V and features a maximum timekeeping current of 0.5mA, ensuring low power consumption and efficient operation. The M41ST84WMQ6E is housed in a 16SO package and is available in a tube package type, making it suitable for surface mount applications. Despite being marked as obsolete, it remains a reliable choice for projects requiring precise timekeeping and calendar functions.

M41ST84WMQ6E Features

The M41ST84WMQ6E boasts several unique features that set it apart from similar RTC ICs. It supports a time format of HH:MM:SS:hh (24-hour) and includes a battery backup supply voltage range of 2.5V to 3.5V, ensuring continuous operation even in the event of a main power failure. This IC is equipped with a variety of advanced features, including an alarm function, leap year compensation, NVSRAM (Non-Volatile Static Random Access Memory) for data storage, square wave output, supervisor functions, and a watchdog timer. These features make it highly versatile and suitable for applications requiring robust time management and data retention.

M41ST84WMQ6E Applications

The M41ST84WMQ6E is ideal for applications that require accurate timekeeping and calendar functions, along with reliable data storage and monitoring capabilities. Its low power consumption and extensive feature set make it suitable for battery-operated devices, embedded systems, and industrial applications where precise time management is crucial. Specific use cases include:

• Battery-Backed Systems: Ideal for devices that need to maintain accurate time and data even during power outages.
• Embedded Systems: Suitable for microcontroller-based projects that require precise timekeeping and calendar functions.
• Industrial Applications: Perfect for industrial control systems that need to log events and maintain accurate time records.
• Consumer Electronics: Can be used in consumer devices that require reliable timekeeping and data storage, such as smart meters and home automation systems.

Conclusion of M41ST84WMQ6E

The M41ST84WMQ6E from STMicroelectronics is a robust RTC and Calendar IC that offers a comprehensive set of features and benefits. Its low power consumption, extensive feature set, and reliable operation make it an excellent choice for a variety of applications. Despite being marked as obsolete, the M41ST84WMQ6E remains a reliable and efficient solution for projects requiring precise time management and data retention. Its compatibility with a wide range of supply voltages and its surface mount package type make it easy to integrate into various electronic designs.