The M41T81SM6F is a low-power serial real-time clock (RTC) with a built-in 32.768 kHz oscillator from STMicroelectronics. This high-quality timekeeping device is specifically designed to provide a comprehensive solution for time-tracking applications in a wide range of electronic products.

Key Features

• Accurate Timekeeping: Integrated temperature-compensated crystal oscillator (TCXO) ensures high precision and stability over a wide temperature range.
• Low Power Consumption: Optimized for battery-powered applications, the M41T81SM6F consumes minimal power, thus extending the life of your product's battery.
• Serial Interface: The device communicates via an I2C serial interface, offering easy integration with most microcontrollers and processors.
• Programmable Alarm: Features a programmable alarm function that can be set to a specific time, providing a versatile notification system for time-related events.
• Watchdog Timer: An integrated watchdog timer enhances the reliability of the system by performing a system reset in case of a malfunction.
• Backup Battery Input: Includes a backup battery input that maintains timekeeping in the event of a primary power failure.
• Automatic Power-Fail Detect: The device has an automatic power-fail detect and switch circuitry, which ensures continuous operation during power transitions.

Applications

The M41T81SM6F is ideal for a wide array of applications, such as:

• Embedded systems
• Utility meters
• POS terminals
• Consumer electronics
• Industrial and medical equipment

Technical Specifications

With an operating voltage range of 2.7V to 5.5V and an operating temperature range of -40°C to +85°C, the M41T81SM6F is versatile and robust. The device is offered in an 8-pin SOIC package, making it suitable for space-constrained applications.

For more detailed information, datasheets, and technical support, visit the STMicroelectronics website or contact their support team.