PCF8566P,112

Product Overview

• Category: Integrated Circuit
• Use: Real-Time Clock (RTC) and Calendar
• Characteristics: Low power consumption, I2C-bus interface, alarm function
• Package: DIP-20, SO20
• Essence: The PCF8566P,112 is a real-time clock and calendar integrated circuit designed for low power applications. It provides accurate timekeeping and calendar functions with minimal power consumption.
• Packaging/Quantity: Available in tubes or reels, quantity depends on the supplier.

Specifications

• Supply Voltage: 1.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Clock Frequency: 32.768 kHz
• Timekeeping Accuracy: ±3 ppm at 25°C
• Alarm Function: Programmable alarm with interrupt output
• I2C-bus Interface: Supports standard and fast mode (up to 400 kHz)

Detailed Pin Configuration

The PCF8566P,112 has a total of 20 pins. Here is the pin configuration:

1. VDD - Power supply voltage
2. GND - Ground
3. SDA - Serial data input/output for I2C-bus communication
4. SCL - Serial clock input for I2C-bus communication
5. INT - Interrupt output 6-19. Reserved
6. XOUT - Crystal oscillator output

Functional Features

• Real-Time Clock: Provides accurate timekeeping with seconds, minutes, hours, day, date, month, and year information.
• Alarm Function: Allows users to set programmable alarms with interrupt output.
• I2C-bus Interface: Supports easy communication with other devices using the I2C-bus protocol.
• Low Power Consumption: Designed for battery-powered applications, ensuring minimal power usage.

Advantages and Disadvantages

Advantages: - Accurate timekeeping with low power consumption - Programmable alarm function for timely notifications - Easy integration with other devices using the I2C-bus interface

Disadvantages: - Limited quantity of pins may restrict the number of peripheral connections - Requires an external crystal oscillator for clock accuracy

Working Principles

The PCF8566P,112 utilizes a crystal oscillator to generate a precise clock signal. It communicates with other devices through the I2C-bus interface, allowing for easy integration into various systems. The real-time clock functionality is achieved by continuously updating the internal registers with accurate time and date information.

Detailed Application Field Plans

The PCF8566P,112 can be used in various applications, including:

1. Consumer Electronics: Clocks, watches, and timers.
2. Automotive: Dashboard clocks, car audio systems.
3. Industrial Automation: Timers, data loggers, control panels.
4. Medical Devices: Patient monitoring systems, medical equipment.
5. Home Automation: Smart thermostats, security systems.

Detailed and Complete Alternative Models

1. DS1307 - Real-Time Clock IC with I2C interface.
2. MCP7940N - Low-power real-time clock/calendar with I2C interface.
3. DS3231 - Extremely accurate I2C-integrated RTC module.

These alternative models offer similar functionalities and can be considered as alternatives to the PCF8566P,112.

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