PT7C4563BLEX

Product 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 (Small Outline Package)
• Essence: Provides accurate timekeeping functionality for various electronic devices
• Packaging/Quantity: Available in tape and reel packaging, 2500 units per reel

Specifications

• Supply Voltage: 1.6V 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

The PT7C4563BLEX IC has the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground reference | | 3 | SDA | Serial Data Line for I2C communication | | 4 | SCL | Serial Clock Line for I2C communication | | 5 | XOUT | Crystal oscillator output | | 6 | XIN | Crystal oscillator input | | 7 | NC | No connection | | 8 | VBAT | Backup battery input |

Functional Features

• Real-time clock with calendar functionality
• Automatic leap year compensation
• Programmable alarm and timer functions
• Battery backup support for timekeeping during power loss
• Power-saving modes to minimize energy consumption

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Small package size for space-constrained applications
• I2C interface allows easy integration with microcontrollers

Disadvantages

• Limited temperature range (-40°C to +85°C)
• Requires an external crystal oscillator for clock accuracy

Working Principles

The PT7C4563BLEX utilizes a quartz crystal oscillator to generate precise clock signals. It incorporates a real-time clock circuit that counts the number of seconds, minutes, hours, days, months, and years. The IC communicates with the host microcontroller through the I2C bus interface, enabling time synchronization and configuration.

During normal operation, the IC draws power from the main supply voltage (VCC). In case of a power failure, a backup battery connected to the VBAT pin ensures uninterrupted timekeeping. The IC also features power-saving modes to reduce energy consumption when not in use.

Detailed Application Field Plans

The PT7C4563BLEX is widely used in various electronic devices that require accurate timekeeping functionality. Some common application fields include:

1. Consumer Electronics: Used in digital cameras, portable media players, and smartwatches to provide accurate time display and timestamping capabilities.
2. Industrial Automation: Integrated into programmable logic controllers (PLCs) and industrial control systems for time-sensitive operations and event logging.
3. Automotive: Incorporated in car infotainment systems, dashboard clocks, and GPS navigation units to ensure accurate time synchronization.
4. Medical Devices: Utilized in medical equipment such as patient monitors, infusion pumps, and diagnostic instruments that require precise time tracking.

Detailed and Complete Alternative Models

1. DS3231 - Real-Time Clock Module with I2C Interface
2. PCF8563 - Low-Power Real-Time Clock with I2C-Bus Interface
3. MCP7940N - I2C Real-Time Clock/Calendar with SRAM

These alternative models offer similar functionality and can be considered as alternatives to the PT7C4563BLEX.

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