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PCF8574AN

PCF8574AN

Manufacturer No:

PCF8574AN

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 16DIP

Datasheet:

Datasheet

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PCF8574AN Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-PDIP
  • Package / Case
    16-DIP (0.300", 7.62mm)
  • Mounting Type
    Through Hole
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    2.5V ~ 6V
  • Clock Frequency
    100 kHz
  • Current - Output Source/Sink
    1mA, 25mA
  • Output Type
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    -
The PCF8574AN is an integrated circuit chip that belongs to the PCF857x family of remote 8-bit I/O expanders for I2C-bus. Here are some advantages and application scenarios of the PCF8574AN:Advantages: 1. I2C Interface: The PCF8574AN communicates with the microcontroller or other devices using the I2C protocol, which allows for easy integration into various systems. 2. Expandable I/O: It provides 8 additional I/O pins, which can be used to expand the number of input/output pins of a microcontroller or other devices. 3. Low Power Consumption: The PCF8574AN operates at low power, making it suitable for battery-powered applications. 4. Addressable: Multiple PCF8574AN chips can be connected to the same I2C bus, allowing for the expansion of even more I/O pins. 5. Interrupt Output: It has an interrupt output pin that can be used to notify the microcontroller when an input changes its state.Application Scenarios: 1. I/O Expansion: The PCF8574AN is commonly used to expand the number of I/O pins of microcontrollers that have limited pins available. It can be used in various applications such as robotics, home automation, and industrial control systems. 2. Keypad Interface: It can be used to interface with a matrix keypad, where each key is connected to one of the PCF8574AN's input pins. This allows for reading multiple keys using only a few microcontroller pins. 3. LED Control: The PCF8574AN can be used to control multiple LEDs, where each LED is connected to one of the output pins. This is useful in applications such as display panels, signage, and lighting control. 4. Sensor Interface: It can be used to interface with various sensors that have digital outputs, such as proximity sensors, temperature sensors, and motion sensors. The PCF8574AN can read the sensor outputs and communicate the data to the microcontroller. 5. LCD Display Control: The PCF8574AN can be used to control LCD displays with parallel interfaces. It can convert the parallel data and control signals from the microcontroller into the serial I2C interface required by the LCD module.Overall, the PCF8574AN offers a simple and efficient way to expand I/O capabilities and interface with various devices in embedded systems.
PCF8574AN Relevant information