MCP795B21T-I/ST

Introduction

The MCP795B21T-I/ST is a digital real-time clock/calendar (RTCC) device that belongs to the category of integrated circuits. It is commonly used in electronic devices to keep track of time and date, and it offers various characteristics and features that make it suitable for a wide range of applications.

Basic Information Overview

• Category: Integrated Circuits
• Use: Real-time clock/calendar device
• Characteristics: Low power consumption, accurate timekeeping, small form factor
• Package: 8-pin SOIC package
• Essence: Timekeeping accuracy and reliability
• Packaging/Quantity: Available in tape and reel packaging, quantity varies by supplier

Specifications

The MCP795B21T-I/ST features the following specifications: - Supply Voltage: 1.8V to 5.5V - Operating Temperature Range: -40°C to +85°C - Clock Accuracy: ±2 minutes per year at 25°C - Battery Backup Input for Continuous Timekeeping - I2C Interface for Communication

Detailed Pin Configuration

The MCP795B21T-I/ST has an 8-pin Small Outline Integrated Circuit (SOIC) package with the following pin configuration: 1. VBAT - Battery Backup Input 2. SDA - I2C Serial Data 3. SCL - I2C Serial Clock 4. GND - Ground 5. X1 - Crystal Connection 1 6. X2 - Crystal Connection 2 7. VSS - Ground 8. VDD - Power Supply

Functional Features

• Real-time Clock and Calendar with Leap Year Compensation
• Alarm Functionality
• Battery Backup for Continuous Timekeeping
• I2C Interface for Communication with Microcontrollers

Advantages and Disadvantages

Advantages

• Low Power Consumption
• Accurate Timekeeping
• Small Form Factor
• Easy Integration with Microcontroller Systems

Disadvantages

• Limited Operating Temperature Range (-40°C to +85°C)
• External Crystal Required for Timekeeping Accuracy

Working Principles

The MCP795B21T-I/ST utilizes an internal oscillator and an external crystal to maintain accurate timekeeping. It communicates with microcontrollers through the I2C interface, allowing for seamless integration into various electronic systems. The battery backup ensures continuous timekeeping even in the absence of primary power.

Detailed Application Field Plans

The MCP795B21T-I/ST is widely used in applications such as: - Consumer Electronics - Industrial Automation - Automotive Systems - Medical Devices - IoT (Internet of Things) Devices

Detailed and Complete Alternative Models

Some alternative models to the MCP795B21T-I/ST include: - DS3231 - Real-Time Clock Module - PCF8563 - I2C Real-Time Clock - RV-1805-C3 - Ultra-Low Power RTC

In conclusion, the MCP795B21T-I/ST is a versatile real-time clock/calendar device with a range of features and specifications that make it suitable for diverse electronic applications.

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