STMicroelectronics

M41T93SMY6E  

Real Time Clocks ICs

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.

M41T93SMY6E Documents

Download datasheets and manufacturer documentation for M41T93SMY6E

Datasheets :

M41T93