M41T81SM6E - STMicroelectronics

Manufacturer Part Number

M41T81SM6E

Manufacturer

stmicroelectronics

Introduction

The M41T81SM6E is a real-time clock/calendar optimized for low power consumption and with full binary-coded decimal clock/calendar functionality.

Product Features and Performance

Clock/Calendar type

Alarms feature

Leap year compatibility

Square wave output

Watchdog timer feature

HH:MM:SS:hh time format (24 hr)

YY-MM-DD-dd date format

I2C, 2-Wire Serial Interface

Operating temperature range of -40°C to 85°C

Product Advantages

Enhanced power management for low power consumption

Robust operating temperature suitable for harsh environments

Diverse functionalities including alarms and watchdog timer

Key Technical Parameters

Voltage Supply: 2.7V ~ 5.5V

Voltage Supply, Battery: 2V ~ 3.5V

Current Timekeeping (Max): 100µA @ 2.7V ~ 5.5V

Mounting Type: Surface Mount

Package / Case: 8-SOIC (0.154", 3.90mm Width)

Quality and Safety Features

Robust surface mount package

Wide temperature range for high reliability

Compatibility

Compatible with I2C, 2-wire serial interfaces

Application Areas

Embedded systems

Consumer electronics

Industrial timing control systems

Product Lifecycle

Obsolete product status

Replacement or upgrades may need to be sourced from similar real-time clocks due to discontinuation

Several Key Reasons to Choose This Product

Comprehensive timekeeping features including alarms and square wave output

Low power consumption ideal for battery-powered applications

Wide operating temperature range suitable for various industrial applications

Simple integration with existing I2C, 2-wire serial interface systems

Surface mount package facilitates efficient assembly in space-constrained applications