Manufacturer Part Number
MCP79400T-I/SN
Manufacturer
Microchip Technology
Introduction
The MCP79400T-I/SN is a multifunctional Real-Time Clock (RTC) component, ideal for timekeeping functions in a broad range of electronics.
Product Features and Performance
Clock/Calendar functionality
Alarm feature
Supports Leap Year compensation
Square Wave Output
64B of SRAM and a Unique ID
Time Format: HH:MM:SS (12/24 hr)
Date Format: YY-MM-DD-dd
I2C, 2-Wire Serial interface
Voltage Supply range: 1.8V ~ 5.5V
Voltage Supply, Battery range: 1.3V ~ 5.5V
Product Advantages
High integration with multiple functions reduces component count
Low power consumption enhances battery life
Unique ID for device serialization and asset tracking
Key Technical Parameters
Memory Size: 64B
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 (Typ) @ 3.3V
Operating Temperature: -40°C ~ 85°C
Quality and Safety Features
Wide temperature range ensures reliability in varying environments
Low power consumption ensures minimal impact on overall system power
Compatibility
High compatibility with most microcontrollers and systems that support the I2C protocol
Application Areas
Consumer Electronics
Industrial Applications
Portable Devices
Health Monitoring Equipment
Smart Power Meters
Product Lifecycle
Active status; not nearing discontinuation with ample future availability.
Several Key Reasons to Choose This Product
Comprehensive timekeeping features (Clock/Calendar, Alarm, Leap Year recognition)
Energy-efficient performance with low power draw at typical voltage
Unique ID feature simplifies device management and tracking
Flexible and broad voltage supply range for diverse application environments
Robust operating temperature range suitable for challenging environments
Easy integration with existing I2C enabled controllers and boards