Manufacturer Part Number
M41T81SMY6F
Manufacturer
STMicroelectronics
Introduction
Real-time clock module providing clock/calendar functions with I2C interface
Product Features and Performance
Clock/Calendar with Alarm feature
Supports Leap Year
Square Wave Output functionality
Watchdog Timer for system reset
I2C, 2-Wire Serial Interface
Suitable for low power applications
Product Advantages
Low power consumption
Provides high-precision timekeeping
Robust serial interface (I2C)
Alarm and watchdog functions enhance system reliability
Capable of generating a square wave output for external use
Key Technical Parameters
Voltage - Supply: 2.7V to 5.5V
Voltage - Supply, Battery: 2V to 3.5V
Current - Timekeeping (Max): 100µA at supplied voltage range
HH:MM:SS:hh 24-hour time format
YY-MM-DD-dd date format
Operating Temperature range: -40°C to 85°C
Quality and Safety Features
High-temperature tolerance
Accurate timekeeping even under variable temperatures
Long-term reliability in demanding applications
Compatibility
Compatible with I2C, 2-Wire Serial communication
Versatile for integration in various system designs due to its standardized package
Application Areas
Consumer electronics
Telecommunication systems
Embedded systems
Industrial timers
Portable electronics
Product Lifecycle
Active product status
Not nearing discontinuation with ongoing manufacturer support
Key Reasons to Choose This Product
Highly reliable with integrated crystal
Versatile supply voltage range catering to various power scenarios
Seamless integration into existing designs with standard SOX package
Reduced system complexity with built-in features like the watchdog timer
Broad operating temperature range ensures performance in extreme conditions
Offers significant product support and longevity as confirmed by its active status
M41T81SMYSTMicroelectronics