STMicroelectronics M41T315V85MH6: Real-Time Clock (RTC) with Embedded Crystal

The M41T315V85MH6 from STMicroelectronics is a highly integrated, low-power serial real-time clock (RTC) with a built-in 32.768 kHz oscillator (external crystal not required). This precision timekeeping device is designed to provide a comprehensive solution for time-tracking applications in a wide range of electronic products.

Key Features

• Integrated Oscillator: Comes with an embedded crystal that simplifies the design and reduces component count.
• Low Power Consumption: Ideal for battery-powered applications, with a typical battery backup current of 0.45 µA.
• Serial Interface: Features a serial I²C interface for communication with microcontrollers and processors.
• Timekeeping Functions: Includes seconds, minutes, hours, day, date, month, and year information with leap year compensation up to the year 2099.
• Alarm and Timer Functions: Programmable alarm and countdown timer with interrupt function to support complex time-related tasks.
• Automatic Power-Fail Detect: Switches to battery backup mode automatically in the event of a power failure.
• Robust Package: Housed in an 8-pin SOIC package that is both durable and space-efficient.

Applications

The M41T315V85MH6 is an excellent choice for a multitude of applications that require accurate timekeeping and low power consumption. It is particularly well-suited for:

• Portable and wearable devices
• Industrial systems
• Medical devices
• Utility meters
• Home automation systems
• Point of sale terminals

Conclusion

With its comprehensive feature set and ease of integration, the M41T315V85MH6 is a reliable and cost-effective solution for designers looking to incorporate real-time clock functionality into their products. STMicroelectronics' commitment to quality ensures that this RTC module will deliver consistent performance and longevity for applications that demand precise timekeeping.