MCP795B11T-I/ST

Product Overview

Category

The MCP795B11T-I/ST belongs to the category of Real-Time Clocks (RTCs).

Use

This product is primarily used for timekeeping and synchronization purposes in various electronic devices.

Characteristics

• High accuracy timekeeping
• Low power consumption
• Small form factor
• Integrated battery backup
• I2C interface for easy integration
• Wide operating voltage range

Package

The MCP795B11T-I/ST comes in a small surface-mount package, making it suitable for compact designs.

Essence

The essence of this product lies in its ability to provide accurate timekeeping functionality with minimal power consumption.

Packaging/Quantity

The MCP795B11T-I/ST is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±2 minutes per month
• Operating Temperature Range: -40°C to +85°C
• Battery Backup Voltage: 1.3V to 5.5V
• I2C Bus Frequency: Up to 400 kHz

Detailed Pin Configuration

The MCP795B11T-I/ST has a total of 8 pins, which are as follows:

1. VDD - Power supply input
2. GND - Ground connection
3. SDA - Serial Data Line for I2C communication
4. SCL - Serial Clock Line for I2C communication
5. SQW/INT - Square Wave Output / Interrupt output
6. VBAT - Battery backup input
7. X1 - Crystal oscillator input
8. X2 - Crystal oscillator output

Functional Features

• Real-time clock with calendar functionality
• Alarm and timer functions
• Battery backup for timekeeping during power loss
• Programmable square wave output
• Interrupt output for event-driven applications
• Power-fail detection and switchover to battery backup

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Compact form factor
• Easy integration with I2C interface
• Wide operating voltage range

Disadvantages

• Relatively limited timekeeping accuracy compared to some other RTCs
• Lack of additional advanced features found in higher-end RTCs

Working Principles

The MCP795B11T-I/ST utilizes an internal oscillator and a crystal to generate accurate timekeeping signals. It operates by continuously counting the oscillations of the crystal, which are then converted into time units such as seconds, minutes, hours, etc. The device also incorporates a battery backup system to ensure uninterrupted timekeeping during power outages.

Detailed Application Field Plans

The MCP795B11T-I/ST finds application in various electronic devices that require precise timekeeping and synchronization. Some potential application fields include:

1. Consumer Electronics: Smartphones, tablets, digital cameras, etc.
2. Industrial Automation: Programmable logic controllers (PLCs), data loggers, etc.
3. Automotive: On-board computers, infotainment systems, etc.
4. Medical Devices: Patient monitoring systems, medical equipment, etc.
5. Internet of Things (IoT): Smart home automation, wearable devices, etc.

Detailed and Complete Alternative Models

Some alternative models to the MCP795B11T-I/ST that offer similar functionality include:

1. DS3231 - Real-Time Clock Module
2. PCF8563 - I2C Real-Time Clock
3. RV-8803-C7 - Ultra-Low Power RTC Module
4. DS1307 - Serial Real-Time Clock

These alternative models provide a range of options with varying features and specifications to suit different application requirements.

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