Manufacturer Part Number
M41T82RM6E
Manufacturer
STMicroelectronics
Introduction
This is a Clock/Timing Real-Time Clock from STMicroelectronics designed to provide precise time and date information.
Product Features and Performance
Provides clock/calendar functionality: Hours, Minutes, Seconds, Hundredths
Alarm, Leap Year compatibility, SRAM, and Watchdog Timer features enhance usage versatility
7 bytes of memory size for timekeeping data
Time format supported is HH:MM:SS:hh (24 hr) for precise time representation
Date Format: YY-MM-DD-dd accommodates standard date information
Interface: I2C, 2-Wire Serial for simple integration with microcontrollers
Operates across a voltage supply range of 2.7V to 5.5V
The battery voltage supply range is broad, from 2V to 5.5V
Maximum timekeeping current is low, at 10µA @ 5.5V, ensuring energy efficiency
The device can operate in extreme temperatures: -40°C to 85°C
Surface Mount technology for ease of PCB assembly
Housed in an 8-SOIC package for compactness
Product Advantages
Integrated features (Alarm, Leap Year, SRAM, Watchdog) in a single chip reduce additional component needs
Low power consumption enhances battery life in portable applications
Wide voltage supply range offers flexibility in various power supply designs
Robust temperature range supports use in harsh environmental conditions
Small footprint enables usage in space-constrained applications
Key Technical Parameters
Voltage Supply: 2.7V ~ 5.5V
Voltage Supply, Battery: 2V ~ 5.5V
Current Timekeeping (Max): 10µA @ 5.5V
Operating Temperature: -40°C ~ 85°C
Package: 8-SOIC
Memory Size: 7B
Timekeeping format: HH:MM:SS:hh (24-hr)
Date Format: YY-MM-DD-dd
Quality and Safety Features
Manufactured by STMicroelectronics, known for high-quality and reliable semiconductor products
Compatibility
I2C, 2-wire Serial interface allows for straightforward integration with most microcontrollers
Standard 8-SOIC packaging for compatibility with standard surface mount PCB design
Application Areas
Embedded systems requiring real-time clocks
Consumer electronics
Portable devices
Data loggers
Wearable technology
Product Lifecycle
Obsolete status indicates that it may no longer be manufactured or supported, and availability may be limited
Users should seek replacements or upgrades for new designs
Several Key Reasons to Choose This Product
Integrated functionalities reduce the need for additional components
Low power consumption ideal for battery-powered applications
Wide operating temperature and voltage range increase design flexibility
Compact size suitable for space-sensitive designs
The reliability of STMicroelectronics as a manufacturer assures product quality and long-term performance