M41T81SMY6F - STMicroelectronics

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