STMicroelectronics

M48T86MH1E

M48T86MH1E Description

The M48T86MH1E is a Real-Time Clock (RTC) and Calendar IC designed by STMicroelectronics. This component is part of the Clock/Timing ICs category and is housed in a 28-lead SOH package. It features a parallel interface and is designed for surface mount applications. The M48T86MH1E operates within a voltage range of 4.5V to 5.5V and has a maximum timekeeping current of 15mA within this voltage range. The operating temperature range is from 0°C to 70°C, making it suitable for a variety of industrial and consumer applications.

This RTC IC includes 114 bytes of non-volatile static RAM (NVSRAM) for data storage, which is retained even when the power supply is removed. The clock/calendar function supports both 12-hour and 24-hour time formats (HH:MM:SS) and includes features such as an alarm, leap year correction, and a square wave output. The M48T86MH1E is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. The product is classified under HTSUS code 8542.39.0001 and has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage conditions.

M48T86MH1E Features

The M48T86MH1E offers several unique features that set it apart from similar models:

• Alarm Functionality: The built-in alarm feature allows for precise scheduling and timing control, making it ideal for applications requiring specific time-based events.
• Leap Year Correction: This feature ensures accurate timekeeping over extended periods, accommodating the extra day in leap years.
• NVSRAM: The inclusion of 114 bytes of NVSRAM provides additional storage for critical data, which is retained even when power is lost.
• Square Wave Output: The square wave output can be used for various timing and synchronization tasks, enhancing the versatility of the IC.
• Parallel Interface: The parallel interface facilitates straightforward integration with other components and systems, simplifying design and implementation.
• Wide Operating Voltage Range: The 4.5V to 5.5V supply voltage range ensures compatibility with a variety of power sources, enhancing the IC's flexibility in different applications.

M48T86MH1E Applications

The M48T86MH1E is well-suited for a range of applications due to its robust features and performance benefits:

• Consumer Electronics: Ideal for devices requiring accurate timekeeping and data storage, such as digital clocks, home automation systems, and smart appliances.
• Industrial Control Systems: Suitable for applications where precise timing and data retention are crucial, such as manufacturing equipment, monitoring systems, and automation controllers.
• Communication Equipment: Can be used in routers, switches, and other networking devices that require reliable time synchronization and data logging.
• Medical Devices: Applicable in medical equipment that needs accurate time tracking and data storage for patient monitoring and diagnostic systems.

Conclusion of M48T86MH1E

The M48T86MH1E by STMicroelectronics is a versatile and reliable RTC and Calendar IC with a range of advanced features. Its alarm, leap year correction, NVSRAM, and square wave output capabilities make it a standout choice for applications requiring precise timekeeping and data storage. The wide operating voltage range and parallel interface further enhance its flexibility and ease of integration. Despite being marked as obsolete, the M48T86MH1E remains a robust solution for various industrial and consumer applications, ensuring accurate and reliable performance.