STMicroelectronics

M41ST84WMQ6F  

Real Time Clocks ICs

M41ST84WMQ6F Description

The M41ST84WMQ6F is a highly integrated Real-Time Clock (RTC) and Calendar IC designed by STMicroelectronics. This component is part of the M41ST family and is specifically tailored for applications requiring precise timekeeping and calendar functions. The M41ST84WMQ6F operates within a supply voltage range of 2.7V to 3.6V and features a maximum timekeeping current of 0.5mA, ensuring low power consumption and extended battery life. It is housed in a Surface Mount Tape & Reel (TR) package, making it suitable for automated assembly processes.

The M41ST84WMQ6F is equipped with a comprehensive set of features, including an alarm function, leap year compensation, NVSRAM (Non-Volatile Static Random Access Memory) with a capacity of 44 bytes, square wave output, supervisor functionality, and a watchdog timer. These features make it an ideal choice for applications requiring robust time management and data retention capabilities. The time format is set to HH:MM:SS:hh (24-hour format), providing clear and consistent timekeeping.

M41ST84WMQ6F Features

• Low Power Consumption: With a maximum timekeeping current of 0.5mA at a supply voltage range of 2.7V to 3.6V, the M41ST84WMQ6F ensures minimal power usage, making it suitable for battery-powered applications.
• Comprehensive Time Management: The RTC supports a 24-hour time format (HH:MM:SS:hh) and includes leap year compensation, ensuring accurate timekeeping over extended periods.
• Alarm Functionality: The built-in alarm feature allows for precise scheduling and event triggering, enhancing the functionality of the device.
• NVSRAM: The 44-byte NVSRAM provides non-volatile data storage, ensuring data retention even in the event of power loss.
• Square Wave Output: This feature enables the generation of a square wave signal, useful for various timing applications.
• Supervisor and Watchdog Timer: These functionalities provide system monitoring and reset capabilities, enhancing system reliability.
• Wide Operating Voltage Range: The M41ST84WMQ6F operates within a supply voltage range of 2.7V to 3.6V and a battery voltage range of 2.5V to 3.5V, offering flexibility in power supply options.
• Surface Mount Packaging: The Tape & Reel (TR) package is designed for surface mount technology, facilitating automated assembly and high-density board layouts.
• Compliance and Standards: The M41ST84WMQ6F is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a Moisture Sensitivity Level (MSL) of 1 (Unlimited), making it suitable for various environmental conditions.

M41ST84WMQ6F Applications

The M41ST84WMQ6F is ideal for a wide range of applications due to its robust feature set and low power consumption. Some specific use cases include:

• Consumer Electronics: Ideal for devices requiring accurate timekeeping and calendar functions, such as digital clocks, home automation systems, and smart appliances.
• Industrial Applications: Suitable for industrial control systems, where precise timing and data retention are crucial for system monitoring and event logging.
• Medical Devices: The low power consumption and reliable timekeeping make it suitable for portable medical devices that require accurate time tracking and data storage.
• Telecommunications: Useful in network equipment for time synchronization and event logging, ensuring reliable system operation.
• Automotive: The M41ST84WMQ6F can be used in automotive applications for timekeeping and data logging, contributing to the overall reliability and functionality of the vehicle's electronic systems.

Conclusion of M41ST84WMQ6F

The M41ST84WMQ6F from STMicroelectronics is a versatile and reliable RTC and Calendar IC, offering a comprehensive set of features and low power consumption. Its robust time management capabilities, including alarm functions, leap year compensation, and NVSRAM, make it an excellent choice for a variety of applications. The wide operating voltage range and surface mount packaging further enhance its flexibility and ease of integration. While the product is marked as obsolete, its unique features and performance benefits continue to make it a valuable component for applications requiring precise timekeeping and data retention.

M41ST84WMQ6F Documents

Download datasheets and manufacturer documentation for M41ST84WMQ6F

Datasheets :

M41ST84Y/W      

HTML Datasheet :

M41ST84Y/W