PCF8593T/1,112

Product Overview

Category

The PCF8593T/1,112 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for real-time clock and calendar functions in various electronic devices.

Characteristics

• Real-time clock and calendar functionality
• Low power consumption
• Small form factor
• High accuracy timekeeping
• Wide operating voltage range

Package

The PCF8593T/1,112 is available in a compact 8-pin SO package.

Essence

The essence of this product lies in its ability to accurately keep track of time and date information in electronic systems.

Packaging/Quantity

The PCF8593T/1,112 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage: 2.5V to 6V
• Clock Frequency: 32.768 kHz
• Timekeeping Accuracy: ±2 ppm at 25°C
• Temperature Range: -40°C to +85°C
• I2C-bus Interface Compatibility

Detailed Pin Configuration

1. VCC: Power supply voltage
2. GND: Ground reference
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. SQW/INT: Square wave output or interrupt pin
6. X1: Crystal oscillator input
7. X2: Crystal oscillator output
8. NC: No connection

Functional Features

• Real-time clock with seconds, minutes, hours, day, date, month, and year registers
• Alarm functionality with programmable alarm time
• Automatic leap year compensation
• Programmable square wave output frequency
• Interrupt output for external event detection

Advantages and Disadvantages

Advantages

• High accuracy timekeeping
• Low power consumption
• Compact size
• Easy integration with I2C-bus compatible systems

Disadvantages

• Limited functionality compared to more advanced real-time clock ICs
• Requires an external crystal oscillator for accurate timekeeping

Working Principles

The PCF8593T/1,112 utilizes an internal oscillator circuit and registers to keep track of time and date information. It communicates with the host system through the I2C-bus interface, allowing for easy integration and control.

Detailed Application Field Plans

The PCF8593T/1,112 finds applications in various electronic devices that require accurate timekeeping and calendar functions. Some potential application fields include:

1. Consumer Electronics: Clock radios, digital watches, and home automation systems.
2. Industrial Automation: Programmable logic controllers (PLCs), data loggers, and timing devices.
3. Automotive: Dashboard clocks, car audio systems, and vehicle tracking systems.
4. Medical Devices: Patient monitoring systems, infusion pumps, and diagnostic equipment.

Detailed and Complete Alternative Models

1. PCF8563T/1,112: Similar to PCF8593T/1,112 but with additional features such as temperature compensation and battery backup.
2. DS1307: Real-time clock IC with similar functionality and I2C-bus compatibility.
3. MCP7940N: Integrated RTC with battery backup and I2C-bus/SPI interface options.

In conclusion, the PCF8593T/1,112 is a versatile real-time clock IC that offers high accuracy timekeeping and calendar functionality. Its compact size and low power consumption make it suitable for a wide range of electronic applications. However, it may have limited functionality compared to more advanced alternatives.