STMicroelectronics

M41T93SMY6E

M41T93SMY6E Description

The M41T93SMY6E is a high-performance Real-Time Clock (RTC) and Calendar IC designed by STMicroelectronics. This device is specifically engineered to provide accurate timekeeping and calendar functions with minimal power consumption. The M41T93SMY6E operates within a supply voltage range of 3V to 5.5V and features a maximum timekeeping current of 10µA at 5.5V, making it highly efficient for battery-powered applications. It is housed in a surface-mount package, specifically the 18SOX, and is available in a tube package format. This RTC IC supports a wide range of features, including an alarm function, leap year calculation, square wave output, SRAM, and a watchdog timer. The time format is set to a 24-hour clock (HH:MM:SS:hh). The M41T93SMY6E is also compliant with the REACH and RoHS3 standards, ensuring it meets environmental and safety regulations. Despite being marked as obsolete, this product remains a reliable choice for applications requiring precise timekeeping and calendar functions.

M41T93SMY6E Features

• Clock/Calendar Functionality: The M41T93SMY6E provides comprehensive clock and calendar functions, including day, date, month, year, hours, minutes, and seconds. It automatically adjusts for leap years, ensuring accurate timekeeping over extended periods.
• Low Power Consumption: With a maximum timekeeping current of 10µA at 5.5V, this RTC IC is optimized for low power applications, making it ideal for battery-operated devices.
• Alarm and Timer Functions: The device includes an alarm function that can be programmed to trigger at specific times, as well as a watchdog timer to monitor system activity and prevent lock-ups.
• Square Wave Output: The M41T93SMY6E features a square wave output, which can be used for various timing applications, enhancing its versatility.
• SPI Interface: The IC communicates via the SPI interface, allowing for easy integration with microcontrollers and other digital systems.
• SRAM Memory: The device includes 7 bytes of SRAM memory, providing additional storage for user data.
• Wide Operating Voltage Range: The M41T93SMY6E operates within a supply voltage range of 3V to 5.5V, and a battery voltage range of 1.8V to 5.5V, making it suitable for a variety of power supply configurations.
• Compliance and Standards: The M41T93SMY6E is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards.

M41T93SMY6E Applications

The M41T93SMY6E is ideal for a wide range of applications where accurate timekeeping and calendar functions are essential. Some specific use cases include:

• Consumer Electronics: Devices such as digital clocks, alarm clocks, and home automation systems benefit from the precise timekeeping and alarm functions of the M41T93SMY6E.
• Industrial Applications: In industrial settings, the RTC IC can be used for time-stamping events, monitoring system uptime, and managing schedules.
• Battery-Powered Devices: The low power consumption of the M41T93SMY6E makes it suitable for portable devices and remote monitoring systems where battery life is critical.
• Embedded Systems: The SPI interface and compact surface-mount package make the M41T93SMY6E an excellent choice for embedded systems requiring reliable timekeeping and minimal power consumption.

Conclusion of M41T93SMY6E

The M41T93SMY6E from STMicroelectronics is a robust and reliable RTC and Calendar IC, offering a comprehensive set of features and benefits. Its low power consumption, wide operating voltage range, and extensive functionality make it a versatile solution for a variety of applications. Despite being marked as obsolete, the M41T93SMY6E remains a valuable component for engineers and designers seeking accurate and efficient timekeeping solutions. Its compliance with environmental and safety standards further enhances its appeal in the electronics industry.