M41ST84WMQ6F - STMicroelectronics

Manufacturer Part Number

M41ST84WMQ6F

Manufacturer

stmicroelectronics

Introduction

The M41ST84WMQ6F is an integrated clock/calendar with a serial I2C interface featuring alarm, leap year correction, NVSRAM, square wave output, supervisor, and watchdog timer functionalities, designed for precise timekeeping in a wide range of applications.

Product Features and Performance

Integrated clock/calendar functionality

Alarm, leap year correction, NVSRAM for data storage

Square wave output for external devices

Supervisor function for system integrity check

Watchdog timer for system reset and recovery

I2C, 2-Wire Serial Interface for communication

Operating Voltage: 2.7V ~ 3.6V; Battery Voltage: 2.5V ~ 3.5V

Low timekeeping current: 0.5mA @ 2.7V ~ 3.6V

Supports 24-hour time format

Date format: YY-MM-DD-dd for comprehensive time data

44B of memory size for data storage

Product Advantages

High integration reduces component count and system complexity.

Broad operating temperature range (-40°C ~ 85°C) suitable for harsh environments.

Low power consumption enhances battery life in portable applications.

Non-volatile SRAM for data storage without power.

Supervisory features ensure system reliability and data integrity.

Key Technical Parameters

Memory Size: 44B

Time Format: HH:MM:SS:hh (24 hr)

Date Format: YY-MM-DD-dd

Interface: I2C, 2-Wire Serial

Voltage Supply: 2.7V ~ 3.6V

Voltage Supply, Battery: 2.5V ~ 3.5V

Current Timekeeping (Max): 0.5mA

Operating Temperature: -40°C ~ 85°C

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Quality and Safety Features

Robust design ensuring prolonged operational life even in extreme conditions.

Meets industrial specifications for quality and reliability.

Compatibility

Compatible with devices that support I2C communication and have a voltage supply within its specified range.

Application Areas

Mobile devices, home appliances, automotive systems, industrial equipment, and network infrastructure.

Product Lifecycle

Obsolete status, indicating it is no longer being manufactured.

Users should consider replacements or upgrades for future designs.

Several Key Reasons to Choose This Product

Versatile integration capabilities in a multitude of electronic applications.

Low power consumption for energy-efficient designs.

Comprehensive features including alarm, NVSRAM, and watchdog timer contribute to system efficiency and reliability.

Suited for applications requiring accurate timekeeping under varying environmental conditions.

Despite its obsolescence, it may still offer optimal performance for existing designs or legacy systems requiring minimal updates.