Manufacturer Part Number
MCP79402-I/MS
Manufacturer
Microchip Technology
Introduction
The MCP79402-I/MS is a highly integrated Real-Time Clock/Calendar optimized for low power consumption.
Product Features and Performance
Real-Time Clock/Calendar tracks time, minutes, seconds, day, date, month, and year
Alarm function with user-defined settings
Leap year compensation
Square Wave Output for external device synchronization
64-byte battery-backed SRAM for data storage
Unique ID for device identification
HH:MM:SS time format with 12/24-hour modes
YY-MM-DD-dd date format
Product Advantages
Low timekeeping voltage optimizes battery life
Wide voltage range accommodates diverse applications
Minimal power consumption for extended use in battery-powered applications
Integrated Unique ID aids in system management and inventory control
Key Technical Parameters
Memory Size: 64B SRAM
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
Interface: I2C, 2-Wire Serial
Voltage Supply: 1.8V ~ 5.5V
Voltage Supply, Battery: 1.3V ~ 5.5V
Current Timekeeping (Max): 1.2µA @ 3.3V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Extended operating temperature range for harsh environments
Battery backup ensures timekeeping during power loss
Compatibility
I2C interface for easy integration with most microcontrollers
Standard surface mount package compatible with various PCB designs
Application Areas
Embedded systems
Consumer electronics
Industrial applications
Data loggers
Portable medical devices
Product Lifecycle
Product Status: Active
Not nearing discontinuation with sustained manufacturer support
Several Key Reasons to Choose This Product
Microchip Technology's reputation for reliability and quality
Broad voltage range suitable for a variety of power supplies
Low power consumption promotes longer battery life in portable devices
Unique ID feature simplifies device management
Comprehensive feature set including alarms and square wave output
Wide operating temperature range suitable for diverse climates and conditions
Surface mount package allows for efficient PCB design and manufacturing processes