The M41T00M6 is a low-power serial real-time clock (RTC) with a built-in 32.768 kHz oscillator from STMicroelectronics. This highly integrated timekeeping solution is ideal for a wide range of applications that require accurate timekeeping, such as embedded systems, servers, data loggers, and various consumer electronics.

Key Features

• Accurate Timekeeping: The device maintains seconds, minutes, hours, day, date, month, and year information, with automatic leap year correction up to the year 2099.
• Low Power Consumption: Designed for battery-powered applications, the M41T00M6 features a low power standby mode, ensuring minimal power draw when the main system power is off.
• Serial Interface: The device is equipped with an I2C-compatible serial interface, facilitating easy integration into most microcontroller-based systems.
• Programmable Square-Wave Output: Users can configure this output for various applications, including clock reference or as a wake-up signal.
• Battery Backup Input: A backup battery input and an automatic switchover to the battery maintain timekeeping in the event of a power failure.
• Compact Packaging: The M41T00M6 comes in an 8-pin SOIC package, making it suitable for space-constrained applications.

Applications

• Embedded Systems
• Consumer Electronics
• Industrial Controllers
• Utility Meters
• POS Terminals
• Networking Equipment

Technical Specifications

• Counters for Seconds, Minutes, Hours, Date, Month, Year, and Century
• 3.0 to 5.5V Operating Voltage Range
• 400 kHz (max) I2C Serial Interface
• Automatic Power-Fail Detect and Switch Circuitry
• 45 Bytes of Battery-Backed User SRAM
• UL Recognized

The M41T00M6 RTC module from STMicroelectronics is a reliable and cost-effective solution for systems that require precise timekeeping. Its low power consumption and comprehensive feature set make it a versatile choice for designers looking to add real-time clock functionality to their projects.