Manufacturer Part Number
MCP79400-I/MS
Manufacturer
Microchip Technology
Introduction
The MCP79400-I/MS is a highly integrated real-time clock/calendar (RTC) from Microchip Technology designed for efficient timekeeping in embedded systems.
Product Features and Performance
Clock/Calendar functionality
Supports Alarm, Leap Year adjustments, and Square Wave Output
Integrates SRAM and a Unique ID for security
Low power consumption with typical timekeeping current of 1.2µA at 3.3V
Product Advantages
High integration facilitates reduced system component count
Battery-backup facility for consistent timekeeping during power outages
Key Technical Parameters
Memory Size: 64B
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
I2C, 2-Wire Serial Interface
Voltage Supply: 1.8V ~ 5.5V
Voltage Supply, Battery: 1.3V ~ 5.5V
Operating Temperature: -40°C ~ 85°C
Mounting Type: Surface Mount
Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Quality and Safety Features
Operates across a wide voltage and temperature range, ensuring reliability under various environmental conditions
Compatibility
Interfaces with most microcontrollers via I2C protocol
Application Areas
Consumer electronics
Industrial applications
Telecommunications
Embedded systems
Product Lifecycle
The product status is Active
No noted discontinuation, replacements or upgrades are currently specified
Several Key Reasons to Choose This Product
Versatile power supply compatibility (1.8V to 5.5V)
Comprehensive timekeeping features including alarms and leap year correction
Minimal power requirements ensure long battery life
Robust operating temperature range suitable for diverse environments
Compact surface-mount package for space-sensitive applications