MCP795B20-I/ST

Product Overview

The MCP795B20-I/ST belongs to the category of real-time clock (RTC) ICs and is commonly used in electronic devices that require accurate timekeeping. This IC offers characteristics such as low power consumption, small package size, and high accuracy. It is typically available in a standard surface mount package and is essential for maintaining accurate time information in various applications.

Basic Information

• Category: Real-Time Clock (RTC) IC
• Use: Accurate timekeeping in electronic devices
• Characteristics: Low power consumption, small package size, high accuracy
• Package: Standard surface mount package
• Essence: Timekeeping functionality
• Packaging/Quantity: Typically available in reels of 2500 units

Specifications

• Operating Voltage Range: 1.8V to 5.5V
• Timekeeping Accuracy: ±2 minutes per year at 25°C
• Operating Temperature Range: -40°C to +85°C
• Clock Output Frequency: Selectable between 32.768 kHz and 1 Hz
• I2C Interface: Supports I2C communication protocol

Detailed Pin Configuration

The MCP795B20-I/ST features a standard pin configuration with pins designated for power supply, ground, I2C communication, and clock output. The detailed pinout is as follows: 1. VCC 2. SDA (I2C Data) 3. SCL (I2C Clock) 4. GND 5. X1 (Crystal Connection) 6. X2 (Crystal Connection) 7. VBAT (Backup Battery Input)

Functional Features

• Battery Backup: Supports backup battery input for maintaining timekeeping functionality during power loss
• Alarm Functionality: Provides alarm features for time-based events
• I2C Interface: Allows for easy integration with microcontrollers and other digital systems
• Power Management: Offers low power consumption for extended battery life

Advantages and Disadvantages

Advantages

• High timekeeping accuracy
• Low power consumption
• Compact package size
• Easy integration with digital systems

Disadvantages

• Limited clock output frequency options
• Requires an external crystal for timekeeping accuracy

Working Principles

The MCP795B20-I/ST operates by utilizing an internal oscillator in conjunction with an external crystal to maintain accurate timekeeping. It communicates with external devices through the I2C interface and can be powered by a primary power source or a backup battery.

Detailed Application Field Plans

The MCP795B20-I/ST is suitable for a wide range of applications including: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Smart home appliances

Detailed and Complete Alternative Models

Some alternative models to the MCP795B20-I/ST include: - DS3231: A highly accurate RTC IC with integrated temperature compensation - PCF8563: An I2C-bus RTC with calendar functionality - RV-1805-C3: A low-power, highly accurate RTC module

In conclusion, the MCP795B20-I/ST is a reliable real-time clock IC with excellent timekeeping accuracy, low power consumption, and versatile application possibilities.

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