PCF8564AU/5BB/1,01

Product Overview

Category

The PCF8564AU/5BB/1,01 belongs to the category of integrated circuits (ICs) and specifically falls under the Real-Time Clock (RTC) family.

Use

This product is primarily used for timekeeping and calendar functions in various electronic devices such as computers, appliances, and automotive systems.

Characteristics

• High accuracy: The PCF8564AU/5BB/1,01 offers precise timekeeping with low deviation.
• Low power consumption: It operates efficiently, consuming minimal power.
• Compact package: The IC is available in a small package, making it suitable for space-constrained applications.
• I2C interface: It utilizes the popular I2C communication protocol for easy integration into existing systems.

Package and Quantity

The PCF8564AU/5BB/1,01 is typically packaged in a small outline package (SO8) or a ball grid array (BGA) package. The quantity may vary depending on the supplier or manufacturer.

Specifications

• Supply voltage: 1.0V to 5.5V
• Operating temperature range: -40°C to +85°C
• Timekeeping accuracy: ±2 ppm at 25°C
• I2C bus frequency: Up to 400 kHz
• Clock/calendar format: Seconds, minutes, hours, day, date, month, year

Pin Configuration

The PCF8564AU/5BB/1,01 features an 8-pin configuration:

1. VDD: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data line (I2C)
4. SCL: Serial clock line (I2C)
5. SQW/OUT: Square wave output or interrupt pin
6. INT: Interrupt output pin
7. X1: Crystal oscillator input
8. X2: Crystal oscillator output

Functional Features

• Timekeeping: The PCF8564AU/5BB/1,01 accurately tracks time and date information.
• Alarm function: It supports programmable alarms for specific events or time intervals.
• Timer functionality: The IC can be configured to trigger actions after a certain period.
• Power management: It features low power consumption modes to optimize energy usage.
• Backup battery support: The PCF8564AU/5BB/1,01 allows the use of an external backup battery to maintain timekeeping during power loss.

Advantages and Disadvantages

Advantages

• High accuracy ensures reliable timekeeping.
• Low power consumption prolongs battery life.
• Compact package enables integration in space-constrained designs.
• I2C interface simplifies communication with other devices.

Disadvantages

• Limited functionality compared to more advanced RTCs.
• Lack of built-in temperature compensation may result in slight time drift over extended periods.

Working Principles

The PCF8564AU/5BB/1,01 utilizes an internal oscillator and a crystal to generate accurate timekeeping signals. It communicates with the host system through the I2C bus, allowing for easy configuration and data exchange. The IC also incorporates power management features to optimize energy consumption.

Application Field Plans

The PCF8564AU/5BB/1,01 finds applications in various fields, including: 1. Consumer electronics: Clocks, watches, and digital appliances. 2. Automotive systems: Dashboard clocks, event logging, and scheduling. 3. Industrial automation: Timers, data logging, and synchronization. 4. Medical devices: Time-sensitive measurements, event tracking, and alarms.

Alternative Models

Several alternative models are available that offer similar functionality to the PCF8564AU/5BB/1,01. Some notable alternatives include: - DS1307: Real-Time Clock IC with additional features like battery backup and temperature compensation. - MCP7940N: RTC with integrated EEPROM for data storage. - DS3231: Highly accurate RTC with built-in temperature compensation.

These alternative models provide options for different requirements and can be considered based on specific application needs.

In conclusion, the PCF8564AU/5BB/1,01 is a reliable Real-Time Clock IC that offers high accuracy, low power consumption, and easy integration through the I2C interface. Its compact package and versatile functionality make it suitable for various electronic devices across different industries.

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