MCP79411-I/ST

Introduction

The MCP79411-I/ST is a highly versatile and reliable real-time clock/calendar (RTCC) device designed for various electronic applications. This entry provides an in-depth overview of the MCP79411-I/ST, including its product category, basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Product Category

The MCP79411-I/ST belongs to the category of real-time clock/calendar (RTCC) devices, which are essential components in electronic systems requiring accurate timekeeping and calendar functions.

Basic Information Overview

• Use: The MCP79411-I/ST is used for providing precise timekeeping and calendar functionality in a wide range of electronic devices and systems.
• Characteristics: It offers low-power operation, battery backup, alarm functions, and I2C interface for easy integration into various applications.
• Package: The MCP79411-I/ST is available in a small 8-pin SOIC package, making it suitable for space-constrained designs.
• Essence: Its essence lies in providing accurate timekeeping and calendar functions with minimal power consumption.
• Packaging/Quantity: The MCP79411-I/ST is typically supplied in tape and reel packaging with a quantity of 2500 units per reel.

Specifications

The key specifications of the MCP79411-I/ST include: - Supply Voltage: 1.8V to 5.5V - Operating Temperature Range: -40°C to +85°C - Clock Accuracy: ±20ppm - Battery Backup Voltage: 1.3V to 5.5V - I2C Interface

Detailed Pin Configuration

The MCP79411-I/ST features the following pin configuration: 1. VBAT - Battery Input 2. SCL - Serial Clock Input 3. SDA - Serial Data I/O 4. SQW/INT - Square Wave Output/Interrupt Output 5. VSS - Ground 6. VDD - Power Supply 7. X1 - Crystal Connection 8. X2 - Crystal Connection

Functional Features

The functional features of the MCP79411-I/ST include: - Real-Time Clock and Calendar - Alarm Functions - Battery Backup - I2C Interface for Communication - Programmable Square Wave Output

Advantages and Disadvantages

Advantages

• Low Power Consumption
• Wide Operating Voltage Range
• Small Package Size
• Battery Backup Support
• Accurate Timekeeping

Disadvantages

• Limited Clock Accuracy compared to some high-precision RTCs
• Single I2C Address, limiting multiple device connections

Working Principles

The MCP79411-I/ST operates by utilizing an integrated oscillator circuit and a dedicated counter to keep track of time and date. It also incorporates non-volatile memory for storing configuration settings and timestamp data. The device can be interfaced with a microcontroller or other digital circuits through the I2C communication protocol.

Detailed Application Field Plans

The MCP79411-I/ST finds extensive use in various applications, including: - Consumer Electronics - Industrial Automation - Automotive Systems - Medical Devices - Smart Home Appliances - Wearable Devices

Detailed and Complete Alternative Models

Some alternative models to the MCP79411-I/ST include: - DS3231 - Highly accurate RTC with temperature-compensated crystal oscillator - PCF85263A - Ultra-low power RTC with I2C-bus interface - RV-1805-C3 - Real-time clock module with integrated crystal and I2C interface

In conclusion, the MCP79411-I/ST is a reliable and efficient real-time clock/calendar device that caters to diverse timekeeping and calendar requirements in electronic systems. With its compact package, low power consumption, and essential features, it serves as a valuable component in numerous applications across different industries.

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