Manufacturer Part Number
MCP79411T-I/MNY
Manufacturer
Microchip Technology
Introduction
High-precision I2C real-time clock/calendar with SRAM and protected EEPROM
Product Features and Performance
I2C interface compatibility
Clock and calendar functionality
Alarm and leap year compensation
Square wave/time stamp output
Battery-backed SRAM and unique ID
Product Advantages
Low power consumption
Wide voltage range
Enhanced data retention with battery backup
Key Technical Parameters
64B of SRAM, 1Kb of EEPROM
Time format HH:MM:SS, 12/24-hour mode
Date format YY-MM-DD-dd
Supply voltage 1.8V to 5.5V
Battery voltage 1.3V to 5.5V
Timekeeping current max 1.2µA at 3.3V
Quality and Safety Features
Extended operating temperature from -40°C to 85°C
Robust surface-mount package
Compatibility
I2C, 2-wire serial interface
8-WFDFN exposed pad package compatible with 8-TDFN (2x3)
Application Areas
Consumer electronics
Industrial systems
Data loggers
Portable medical devices
Product Lifecycle
Product status active
No near discontinuation
Replacements or upgrades available
Several Key Reasons to Choose This Product
Precision timekeeping to enhance system accuracy
Flexible power options to suit various designs
Compact and durable design for versatile mounting
Long-term reliability across various temperature ranges
Protected memory ensures data security even with power loss