MCP79400T-I/MNY - Microchip Technology

Manufacturer Part Number

MCP79400T-I/MNY

Manufacturer

Microchip Technology

Introduction

Real Time Clock (RTC) integrated circuit with EEPROM and Unique ID

Product Features and Performance

Alarm function

Leap Year correction

Square Wave Output

64 Bytes of SRAM

Unique Device Identifier

Highly integrated RTC with calendar

Product Advantages

Low power consumption

Wide voltage range compatibility

Embedded SRAM for user data storage

Unique ID for device identification

Key Technical Parameters

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

Date Format: YY-MM-DD-dd

Interface: I2C, 2-Wire Serial

Voltage - Supply Range: 1.8V ~ 5.5V

Battery Backup Supply: 1.3V ~ 5.5V

Timekeeping Current: 1.2µA (Typ) @ 3.3V

Temperature Range: -40°C ~ 85°C

Mounting Type: Surface Mount

Package: 8-WFDFN Exposed Pad

Device Package: 8-TDFN (2x3)

Quality and Safety Features

High reliability

Long-term data retention

Data protection during power loss

Compatibility

Compatible with I2C bus interfaces

Suitable for battery-powered applications

Application Areas

Consumer electronics

Industrial systems

Networking equipment

Portable devices

Embedded systems

Product Lifecycle

Status: Active

No indication of nearing discontinuation

Replacement and upgrade options available

Several Key Reasons to Choose This Product

Minimal power draw for battery-sensitive designs

Flexible voltage supply range for diverse applications

On-chip unique ID for secure identification and authentication

RTC with full calendar features simplifies time tracking needs

Easily integrates with microcontrollers over standard I2C interface

Robust operating temperature range suited for challenging environments

Surface-mount package optimizes board space in compact electronic devices