M41T82SM6F - STMicroelectronics

Manufacturer Part Number

M41T82SM6F

Manufacturer

STMicroelectronics

Introduction

Real-time clock chip with integrated SRAM and watchdog timer for timekeeping applications

Product Features and Performance

Clock/Calendar functionality

Alarm, Leap Year support

Integrated SRAM

Watchdog Timer for system resets

24-hour time format

I2C 2-Wire Serial interface for communication

Low timekeeping current

Product Advantages

High integration with multiple functions

Low power consumption for better battery life

Supports a wide voltage range for flexible power options

Leap year compensation up to 2099

Key Technical Parameters

Memory Size: 7 bytes of SRAM

Time Format: HH:MM:SS:hh

Date Format: YY-MM-DD-dd

Voltage - Supply: 3V ~ 5.5V

Voltage - Supply, Battery: 2V ~ 5.5V

Current - Timekeeping (Max): 10µA @ 5.5V

Operating Temperature range: -40°C ~ 85°C

Quality and Safety Features

Extended operating temperature range

Reliable timekeeping even under temperature variations

Compatibility

I2C interface for compatibility with a wide range of microcontrollers

Standard 8-SOIC package for easy PCB design and mounting

Application Areas

Consumer electronics

Industrial systems

Automotive systems

Embedded electronics

Product Lifecycle

Active product status, not nearing discontinuation

Availability of replacements and upgrades within STMicroelectronics portfolio

Several Key Reasons to Choose This Product

Versatile power supply options for varied application environments

Ultra-low power consumption enhances system power management

Robust design suitable for harsh temperature conditions

Integrated watchdog timer increases system reliability

Extensive compatibility with various MCU architectures via I2C interface

Provides complete timekeeping solution reducing additional component needs