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PCF8574DWRE4

PCF8574DWRE4

Manufacturer No:

PCF8574DWRE4

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 16SOIC

Datasheet:

Datasheet

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PCF8574DWRE4 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
    Tape & Reel (TR)
  • Product Status
    Last Time Buy
  • Series
    -
The PCF8574DWRE4 is an integrated circuit chip that belongs to the PCF8574 family of remote 8-bit I/O expanders for I2C-bus. Here are some advantages and application scenarios of this chip:Advantages: 1. I2C Interface: The PCF8574DWRE4 chip 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 ports of a microcontroller or other devices. 3. Low Power Consumption: The chip operates at low power, making it suitable for battery-powered applications. 4. Addressable: Multiple PCF8574DWRE4 chips can be connected to the same I2C bus, each with a unique address, allowing for the expansion of I/O pins even further. 5. Interrupt Output: It has an interrupt output pin that can be used to notify the microcontroller when any of the I/O pins change their state.Application Scenarios: 1. I/O Expansion: The PCF8574DWRE4 chip is commonly used to expand the number of I/O pins of microcontrollers that have limited I/O capabilities. It can be used in various applications such as home automation, industrial control systems, and robotics. 2. Keypad Interface: It can be used to interface with a matrix keypad, where each key is connected to one of the I/O pins. The chip scans the keypad and sends the keypress information to the microcontroller. 3. LED Control: The chip can be used to control multiple LEDs, where each LED is connected to one of the I/O pins. The microcontroller can send commands to the chip to turn on/off or dim the LEDs. 4. Sensor Interface: It can be used to interface with various sensors that have digital outputs, such as proximity sensors, temperature sensors, or motion sensors. The chip reads the sensor outputs and sends the data to the microcontroller. 5. LCD Display Control: The PCF8574DWRE4 chip can be used to control an LCD display using the I2C interface. It reduces the number of pins required to drive the display and simplifies the connection to the microcontroller.Overall, the PCF8574DWRE4 chip offers a convenient and efficient way to expand the I/O capabilities of microcontrollers and is widely used in various applications that require additional digital inputs or outputs.
PCF8574DWRE4 Relevant information