PCF8564ACX9/B/1,02

Product Overview

Category

PCF8564ACX9/B/1,02 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a real-time clock/calendar (RTC) module in various electronic devices.

Characteristics

• High accuracy timekeeping
• Low power consumption
• I2C-bus interface for easy integration
• Alarm and timer functions
• Programmable square wave output
• Wide operating voltage range

Package

PCF8564ACX9/B/1,02 is available in a small outline package (SO8) which allows for compact designs and easy mounting on PCBs.

Essence

The essence of PCF8564ACX9/B/1,02 lies in its ability to accurately keep track of time and date, making it an essential component in many electronic devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

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
• I2C-bus interface: Standard-mode (100 kHz) and Fast-mode (400 kHz)
• Timer and alarm functions: Programmable with interrupt capability

Detailed Pin Configuration

1. VSS: Ground
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. SQW/OUT: Square wave output or interrupt output
5. VDD: Supply voltage
6. A0: Address input bit 0
7. A1: Address input bit 1
8. A2: Address input bit 2

Functional Features

• Real-time clock/calendar with seconds, minutes, hours, day, date, month, and year information
• Automatic leap year compensation
• Programmable alarm and timer functions
• Square wave output with selectable frequencies
• Low power consumption in battery backup mode

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Easy integration with I2C-bus interface
• Versatile alarm and timer functions
• Wide operating voltage range

Disadvantages

• Limited address options for multiple device integration
• Lack of non-volatile memory for data storage during power loss

Working Principles

PCF8564ACX9/B/1,02 utilizes a quartz crystal oscillator to generate a precise 32.768 kHz clock signal. This clock signal is used to keep track of time and date information. The I2C-bus interface allows for communication with the host microcontroller, enabling control and configuration of various features such as alarms and timers.

Detailed Application Field Plans

PCF8564ACX9/B/1,02 finds applications in a wide range of electronic devices, including but not limited to: - Digital watches and clocks - Automotive dashboard displays - Home automation systems - Medical equipment - Industrial control systems

Detailed and Complete Alternative Models

• PCF8563T/5,118
• DS1307Z+
• MCP7940N-I/SN
• RV-8803-C7
• DS3231SN+

These alternative models offer similar functionality and can be considered as alternatives to PCF8564ACX9/B/1,02 depending on specific requirements and availability.

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