Manufacturer Part Number
M41T81SM6F
Manufacturer
stmicroelectronics
Introduction
The M41T81SM6F is a robust real-time clock module from stmicroelectronics, designed for applications needing accurate timekeeping and system management based on timing.
Product Features and Performance
Type: Clock/Calendar
Features:
Alarm
Leap Year settings
Square Wave Output
Watchdog Timer
Interface: I2C, 2-Wire Serial
Voltage - Supply: 2.7V ~ 5.5V
Voltage - Supply, Battery: 2V ~ 3.5V
Current - Timekeeping (Max): 100µA at 2.7V ~ 5.5V
Mounting Type: Surface Mount
Time Format: HH:MM:SS:hh (24 hr)
Date Format: YY-MM-DD-dd
Package: 8-SOIC (0.154", 3.90mm Width)
Product Advantages
High integration with multiple functions such as alarm, leap year capability, and a watchdog timer
Flexible power requirements suitable for battery-operated applications
Wide operating temperature suitable for various industrial applications
Key Technical Parameters
Operating Temperature: -40°C ~ 85°C
Memory Size: Not specified
Supplier Device Package: 8-SOIC
Quality and Safety Features
Designed to meet stringent industry standards for reliability and safety
Compatibility
Compatible with devices requiring I2C or 2-wire serial interface
Application Areas
Industrial systems
Consumer electronics
Embedded systems
Communication infrastructure
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Replacements or upgrades are available
Several Key Reasons to Choose This Product
High reliability and accuracy in timekeeping suitable for critical applications
Integrated features beyond basic clock/calendar functionality adding significant value such as watchdog timer and alarm
Low power consumption, which enhances battery life in portable devices
Wide operational temperature range catering to extreme environments
Easy integration with existing systems due to standard I2C interface and small package size