Manufacturer Part Number
M41T11M6F
Manufacturer
STMicroelectronics
Introduction
M41T11M6F is a low-power serial I2C real-time clock with a built-in 32.768 kHz oscillator (external crystal controlled) and 56 bytes of NVSRAM.
Product Features and Performance
Clock/Calendar functionality with leap year handling
56 bytes of battery-backed NVSRAM
Hour:Minute:Second time format
Year-Month-Day-Day of week date format
I2C serial interface for communication
Low power consumption
Supports battery backup operation
Product Advantages
Integrated oscillator improves long-term accuracy
Low timekeeping current allows for longer battery life
Small 8-SOIC package saves board space
Non-volatile memory for critical data retention, even when the main power is off
Key Technical Parameters
Voltage - Supply: 2V ~ 5.5V
Voltage - Supply, Battery: 2.5V ~ 3.5V
Current - Timekeeping (Max): 70µA
Operating Temperature: -40°C ~ 85°C
Interface: I2C, 2-Wire Serial
Memory Size: 56B
Quality and Safety Features
Built-in battery switch-over function preserves timekeeping and memory contents over the entire voltage range
Compatibility
Compatible with I2C, 2-Wire Serial Interface devices and systems
Application Areas
Consumer Electronics
Industrial Timing
Embedded Systems
Portable Instruments
Data Loggers
Product Lifecycle
Active status indicates ongoing production and availability
No known discontinuation date, ensuring stable long-term supply
Replacements or upgrades should be sourced directly through STMicroelectronics or authorized distributors
Several Key Reasons to Choose This Product
Proven reliability from a well-known semiconductor manufacturer, STMicroelectronics
Comprehensive timekeeping features including leap year compensation
Non-volatile memory to retain critical data without power
Wide operating temperature range suitable for diverse applications
Low current consumption for extended battery life
Easy to integrate with existing systems via standard I2C interface
Suitable for a range of applications due to its versatile power supply_voltage specification
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