STMicroelectronics

M48T201V-85MH1E

M48T201V-85MH1E Description

The M48T201V-85MH1E is a Real Time Clock (RTC) IC developed by STMicroelectronics, a leading semiconductor manufacturer known for its innovative and reliable solutions. This particular model is part of the Timekeeper® series, designed to provide accurate clock and calendar functions with a wide range of features suitable for various applications.

The M48T201V-85MH1E operates within a temperature range of 0°C to 70°C, making it suitable for use in environments with moderate temperature variations. It supports a supply voltage range of 3V to 3.6V, ensuring compatibility with a variety of power sources. The device is designed for surface mount applications, which is advantageous for compact and space-efficient designs. It also features a maximum timekeeping current of 2mA at 3V to 3.6V, contributing to its energy efficiency.

M48T201V-85MH1E Features

The M48T201V-85MH1E offers several unique features that set it apart from other RTC ICs in the market:

• Alarm Functionality: This feature allows the device to generate an interrupt signal at a user-defined time, making it ideal for applications requiring precise scheduling and timing.
• Leap Year Calculation: The device automatically adjusts for leap years, ensuring accurate date tracking over extended periods.
• Square Wave Output: This feature provides a stable and accurate time reference signal, which is useful for synchronizing other components in a system.
• Supervisor and Watchdog Timer: These features enhance system reliability by monitoring power supply voltage and resetting the system if it detects an anomaly or a fault condition.
• Y2K Compliance: The device is fully compliant with the Year 2000 (Y2K) requirements, ensuring accurate date and time tracking beyond the year 2000.
• 24-Hour Time Format: The device operates in a 24-hour format (HH:MM:SS), providing clear and unambiguous time representation.

The M48T201V-85MH1E is also REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It supports a battery supply voltage of 3V, which is ideal for low-power applications. The device is packaged in a tube, which is suitable for bulk handling and storage.

M48T201V-85MH1E Applications

The M48T201V-85MH1E is well-suited for a variety of applications where accurate timekeeping and calendar functions are essential. Some specific use cases include:

• Consumer Electronics: Devices such as digital cameras, video recorders, and home automation systems can benefit from the accurate timekeeping and calendar functions provided by the M48T201V-85MH1E.
• Industrial Control Systems: The device's robustness and reliability make it ideal for industrial applications where precise timing and scheduling are crucial.
• Telecommunications: The M48T201V-85MH1E can be used in telecommunication equipment for logging and monitoring purposes, ensuring accurate timestamping of events.
• Medical Devices: The device's compliance with environmental and safety standards makes it suitable for use in medical equipment where accurate timekeeping is essential for patient monitoring and data logging.

Conclusion of M48T201V-85MH1E

In conclusion, the M48T201V-85MH1E from STMicroelectronics is a versatile and reliable RTC IC that offers a comprehensive set of features for accurate timekeeping and calendar functions. Its unique features, such as the alarm functionality, leap year calculation, and Y2K compliance, provide significant advantages over similar models. The device's compatibility with a wide range of applications, from consumer electronics to industrial control systems, makes it a valuable component for designers and engineers. Despite its obsolete status, the M48T201V-85MH1E remains a reliable choice for applications requiring precise and dependable timekeeping solutions.