STMicroelectronics

M48T212V-85MH1E

M48T212V-85MH1E Description

The M48T212V-85MH1E is a highly reliable and feature-rich Real Time Clock (RTC) IC from STMicroelectronics, designed to provide accurate timekeeping and calendar functions in a variety of electronic systems. This IC operates within a voltage range of 3V to 3.6V and features a maximum timekeeping current of 2mA, ensuring efficient power usage. The M48T212V-85MH1E is part of the Timekeeper® series and offers a parallel interface for seamless integration into various applications.

This RTC IC supports a time format of HH:MM:SS in a 24-hour format, making it suitable for precise time tracking. It also includes advanced features such as an alarm, leap year calculation, watchdog timer, and Y2K compliance, which enhance its functionality and reliability. The M48T212V-85MH1E operates within an ambient temperature range of 0°C to 70°C, making it suitable for use in a wide range of environmental conditions.

The M48T212V-85MH1E is packaged in a tube and has a moisture sensitivity level (MSL) of 3, allowing for 168 hours of exposure before assembly. It is also REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. The product is classified under HTSUS code 8542.39.0001 and has an ECCN of EAR99.

M48T212V-85MH1E Features

The M48T212V-85MH1E offers several unique features that set it apart from other RTC ICs in the market:

• Alarm Functionality: The built-in alarm feature allows for precise scheduling and timing, making it ideal for applications requiring specific time-based actions.
• Leap Year Calculation: This feature ensures accurate date tracking over extended periods, accommodating the complexities of the Gregorian calendar.
• Watchdog Timer: The watchdog timer helps in maintaining system reliability by resetting the system if it detects an anomaly or a hang, ensuring continuous operation.
• Y2K Compliance: The Y2K compliance ensures that the RTC functions correctly across century changes, providing long-term reliability.
• Parallel Interface: The parallel interface facilitates straightforward integration into existing systems, reducing development time and complexity.
• Low Power Consumption: With a maximum timekeeping current of 2mA, the M48T212V-85MH1E is highly energy-efficient, making it suitable for battery-operated devices.

M48T212V-85MH1E Applications

The M48T212V-85MH1E is ideal for a wide range of applications due to its robust features and reliability. Some specific use cases include:

• Embedded Systems: The low power consumption and advanced features make it suitable for embedded systems where accurate timekeeping is crucial.
• Consumer Electronics: Devices such as digital clocks, watches, and home appliances can benefit from the precise timekeeping and calendar functions.
• Industrial Control Systems: The RTC can be used in industrial applications where reliable time tracking and scheduling are necessary.
• Telecommunications: The M48T212V-85MH1E can be used in telecommunication systems for logging and scheduling maintenance activities.
• Medical Devices: The reliability and accuracy of the RTC make it suitable for medical devices that require precise time tracking for patient monitoring and treatment scheduling.

Conclusion of M48T212V-85MH1E

The M48T212V-85MH1E from STMicroelectronics is a versatile and reliable RTC IC that offers a comprehensive set of features for accurate timekeeping and calendar functions. Its low power consumption, advanced features such as alarm, leap year calculation, watchdog timer, and Y2K compliance make it an excellent choice for a wide range of applications. Despite being marked as obsolete, the M48T212V-85MH1E remains a robust solution for systems requiring precise and reliable time tracking. Its compliance with environmental and safety standards further enhances its suitability for modern electronic systems.