STMicroelectronics

M41T81SM6F

The M41T81SM6F is a low-power, high-precision Real-Time Clock (RTC) and crystal oscillator module manufactured by STMicroelectronics. It is designed to provide accurate timekeeping and calendar functions in a compact, surface-mount package. The M41T81SM6F is widely used in various applications where accurate timekeeping is essential, such as in embedded systems, telecommunications, medical devices, and industrial control systems.

Description:

The M41T81SM6F is a highly integrated module that combines an RTC, a crystal oscillator, and a CMOS circuit in a single chip. It features a built-in temperature-compensated crystal oscillator (TCXO) that ensures high accuracy and low power consumption. The module is available in a 16-pin, 3.2 x 2.5 mm SMD package.

Features:

1. Built-in TCXO for high accuracy and low power consumption
2. Integrated CMOS circuit for low power consumption
3. Ultra-low power consumption (typically less than 1 μA)
4. 16-pin, 3.2 x 2.5 mm SMD package
5. Programmable square wave output for easy integration with microcontrollers
6. Independent battery input for continuous operation during power failures
7. 12.8-bit counter for high-resolution timekeeping
8. Alarm and timer functions for event scheduling
9. Temperature range of -40°C to +85°C
10. Operating voltage range of 2.0V to 5.5V

Applications:

1. Embedded systems with real-time clock and calendar functions
2. Telecommunications systems for time synchronization
3. Medical devices for accurate timekeeping and event scheduling
4. Industrial control systems for process monitoring and control
5. Consumer electronics for timekeeping and alarm functions
6. Automotive systems for event logging and time synchronization
7. Networking devices for network time protocol (NTP) synchronization
8. Power management systems for time-based control and scheduling
9. Home automation systems for event scheduling and timekeeping
10. Security systems for time-stamping events and access control

The M41T81SM6F is a versatile and reliable RTC module that offers high accuracy, low power consumption, and a compact form factor, making it suitable for a wide range of applications where precise timekeeping is crucial.