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PCF8574DW

PCF8574DW

Manufacturer No:

PCF8574DW

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 16SOIC

Datasheet:

Datasheet

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PCF8574DW Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SOIC
  • Package / Case
    16-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • 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
    Last Time Buy
  • Series
    -
The PCF8574DW 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 PCF8574DW:Advantages: 1. I2C Interface: The PCF8574DW uses the I2C bus protocol for communication, which allows for easy integration with microcontrollers and other devices supporting I2C. 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 PCF8574DW operates at low power, making it suitable for battery-powered applications. 4. Addressable: Multiple PCF8574DW chips can be connected to the same I2C bus, as each chip has a unique address, allowing for further expansion of I/O pins.Application Scenarios: 1. I/O Expansion: The PCF8574DW is commonly used to expand the number of I/O pins of microcontrollers that have limited pins available. It can be used to connect various sensors, switches, LEDs, and other peripherals. 2. Keypad Interface: It can be used to interface with a matrix keypad, where each key is connected to one of the PCF8574DW's I/O pins. This allows for easy reading of key presses using the I2C interface. 3. LED Control: The PCF8574DW can be used to control multiple LEDs, where each LED is connected to one of the I/O pins. By setting the corresponding pin high or low, the LED can be turned on or off. 4. LCD Display: It can be used to interface with an LCD display module, where the PCF8574DW's I/O pins are connected to the LCD's data and control lines. This simplifies the connection and control of the LCD display.Overall, the PCF8574DW is a versatile and useful chip for expanding I/O capabilities and interfacing with various peripherals in embedded systems and microcontroller-based projects.
PCF8574DW Relevant information