MCP79400-I/SN - Microchip Technology

Manufacturer Part Number

MCP79400-I/SN

Manufacturer

Microchip Technology

Introduction

The MCP79400-I/SN is a highly integrated real-time clock/calendar (RTCC) with extended features and I2C communication.

Product Features and Performance

Clock/Calendar functionality

Alarms, leap year compensation

Square wave output

64B of SRAM

Unique ID for device identification

Supports both 12 and 24-hour time format

YY-MM-DD-dd date format

I2C, 2-wire serial interface

Low power consumption

Product Advantages

Versatile power supply range (1.8V ~ 5.5V)

Dedicated battery supply voltage range (1.3V ~ 5.5V) for reliable timekeeping

Low current consumption at typ. 1.2µA @ 3.3V, maximizing battery life

Unique ID facilitates easy device serialization and network management

Simplified device synchronization through alarms and square wave output

Key Technical Parameters

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

Time Format: HH:MM:SS (12/24 hr)

Date Format: YY-MM-DD-dd

Interface: I2C, 2-Wire Serial

Quality and Safety Features

Robust operating temperature range ensuring reliability across environments

Compatibility

Compatible with a wide range of microcontrollers via the I2C interface

Application Areas

IoT devices

Consumer Electronics

Industrial Systems

Networking equipment

Data loggers

Product Lifecycle

Status: Active

No immediate discontinuation, replacements, or upgrades anticipated

Several Key Reasons to Choose This Product

Highly integrated with essential RTCC features and more, reducing additional component needs

Flexibility in power supply options supports use in a wide array of applications

Low power consumption extends the life of battery-powered applications

The provision of a unique ID simplifies device management in complex systems

Broad compatibility and easy integration with various microcontroller architectures

Durable and reliable across a wide temperature and voltage range, suitable for harsh environments