STMicroelectronics

M41T94MQ6F

The M41T94MQ6F is a real-time clock (RTC) microcontroller manufactured by STMicroelectronics. It is a low-power, high-accuracy clock/calendar IC that provides timekeeping functions for various applications. Here's a brief description, features, and applications of the M41T94MQ6F:

Description:

The M41T94MQ6F is a member of the M41T94 family of RTC microcontrollers. It is a 16-pin, low-power CMOS device that combines a real-time clock, calendar, and 12 bytes of user RAM in a single chip. The device operates with a typical current consumption of only 700 nA in standby mode, making it suitable for battery-powered applications.

Features:

1. Low-power consumption: The M41T94MQ6F has a low typical current consumption of 700 nA in standby mode, which is ideal for battery-powered applications.
2. High-accuracy clock: The device features a high-accuracy clock with a typical accuracy of ±2 ppm (parts per million) over temperature, ensuring reliable timekeeping.
3. Calendar functionality: The M41T94MQ6F includes a built-in calendar that can store date, month, day, and year information.
4. Alarm functions: The device provides two alarm functions that can be used to trigger events at specific times or dates.
5. 12 bytes of user RAM: The M41T94MQ6F offers 12 bytes of user-accessible RAM for storing additional data or custom applications.
6. Temperature range: The device operates over a wide temperature range of -40°C to +85°C, making it suitable for various environments.
7. I2C interface: The M41T94MQ6F features a two-wire I2C interface for easy communication with other devices in a system.
8. Crystal oscillator: The device uses an internal low-power oscillator, eliminating the need for an external crystal.

Applications:

1. Battery-powered systems: Due to its low power consumption, the M41T94MQ6F is ideal for use in battery-powered devices such as portable electronics, wearables, and IoT devices.
2. Embedded systems: The M41T94MQ6F can be used in embedded systems that require accurate timekeeping, such as industrial control systems, medical devices, and home automation systems.
3. Consumer electronics: The device can be used in consumer electronics like televisions, set-top boxes, and audio systems to provide accurate time and date information.
4. Automotive applications: The M41T94MQ6F can be used in automotive systems for timekeeping and event scheduling, such as infotainment systems and vehicle diagnostics.
5. Data logging: The device's calendar and alarm functions can be used for data logging applications, such as tracking equipment usage or monitoring environmental conditions.

In summary, the M41T94MQ6F is a versatile, low-power real-time clock microcontroller that offers high-accuracy timekeeping, calendar functionality, and user-accessible RAM. It is suitable for a wide range of applications, including battery-powered systems, embedded systems, consumer electronics, automotive applications, and data logging.