Manufacturer Part Number
M41ST85WMX6TR
Manufacturer
stmicroelectronics
Introduction
The M41ST85WMX6TR is a multifunctional real-time clock and calendar integrated circuit device designed for applications requiring accurate timekeeping, data retention, and supervisory functions.
Product Features and Performance
Real-time clock/calendar with automatic leap year recognition
Features alarms and square wave output
Integrated NVSRAM for data storage
Watchdog timer and supervisor functions for system stability
I2C, 2-Wire Serial interface for communication
Product Advantages
Combines multiple functions reducing component count in system designs
Low timekeeping current helps in power-sensitive applications
Wide operating temperature range suitable for harsh environments
Key Technical Parameters
Memory Size: 44B
Time Format: HH:MM:SS:hh (24 hr)
Date Format: YY-MM-DD-dd
Voltage Supply: 2.7V ~ 3.6V
Voltage Supply, Battery: 2.5V ~ 3.5V
Current Timekeeping (Max): 0.5mA @ 2.7V ~ 3.6V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Robust design with extended temperature handling and low power consumption ensuring long-term reliability
Compatibility
The device is adaptable with various microcontrollers via its I2C, 2-wire serial interface facilitating easy integration
Application Areas
Suitable for industrial applications, portable devices, consumer electronics, health and wellness devices, and other time-critical applications
Product Lifecycle
Product Status: Active
The product is currently active with no indication of nearing discontinuation. Replacements or upgrades are readily available.
Several Key Reasons to Choose This Product
Highly integrated features reduce additional component needs, simplifying design and reducing costs
Ensures accurate timekeeping with minimal power usage
Flexible voltage requirements compatible with various system designs
Broad operating temperature making it ideal for versatile applications
Reliable data storage and retention options through integrated NVSRAM