PT7C4563BUEX

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Real-time Clock (RTC) with I2C interface
• Characteristics:
  • Low power consumption
  • High accuracy
  • Small package size
• Package: SOP-8
• Essence: Provides accurate timekeeping functionality for electronic devices
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 1.8V to 5.5V
• Timekeeping Accuracy: ±3 minutes per month at 25°C
• Operating Temperature Range: -40°C to +85°C
• I2C Bus Interface: Supports standard and fast mode (100kHz and 400kHz)

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial Data Line for I2C communication
4. SCL: Serial Clock Line for I2C communication
5. NC: No Connection
6. INT/SQW: Interrupt output or Square Wave output
7. VBAT: Backup battery input for maintaining timekeeping during power loss
8. X1/X2: Crystal oscillator connections

Functional Features

• Real-time clock with calendar functionality
• Automatic leap year compensation
• Programmable alarm and timer functions
• Power-fail detection and switch-over circuitry
• Battery backup support for timekeeping during power loss
• 32.768kHz crystal oscillator for accurate timekeeping

Advantages

• Low power consumption extends battery life
• High accuracy ensures precise timekeeping
• Small package size allows for space-saving designs
• Wide operating temperature range enables usage in various environments
• I2C interface provides easy integration with microcontrollers

Disadvantages

• Limited functionality compared to more advanced RTCs
• Lack of non-volatile memory for storing additional data

Working Principles

The PT7C4563BUEX utilizes a crystal oscillator to generate a precise 32.768kHz clock signal. This signal is used as a reference for the internal counter, which keeps track of time and date information. The IC communicates with the host microcontroller through the I2C bus, allowing for easy configuration and retrieval of time-related data.

During normal operation, the PT7C4563BUEX draws minimal power from the main supply voltage. In case of a power failure, the backup battery connected to the VBAT pin ensures uninterrupted timekeeping. The IC also features power-fail detection circuitry, which can trigger an interrupt or output a square wave signal.

Detailed Application Field Plans

The PT7C4563BUEX is commonly used in various electronic devices that require accurate timekeeping functionality. Some potential application fields include: - Consumer electronics (e.g., digital cameras, portable media players) - Home appliances (e.g., microwave ovens, washing machines) - Automotive systems (e.g., car audio systems, dashboard displays) - Industrial equipment (e.g., programmable logic controllers, data loggers)

Detailed and Complete Alternative Models

1. DS3231: Real-time Clock module with I2C interface, temperature compensation, and alarm functions.
2. PCF8563: Low-power Real-time Clock module with I2C interface and battery backup support.
3. MCP7940N: Real-time Clock module with I2C/SPI interface, SRAM, and battery backup support.

(Note: These alternative models are provided as examples and may have different specifications and features.)

This concludes the encyclopedia entry for PT7C4563BUEX, covering its product details, specifications, features, advantages, disadvantages, working principles, application field plans, and alternative models.