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PCF8574DWR

PCF8574DWR

Manufacturer No:

PCF8574DWR

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 16SOIC

Datasheet:

Datasheet

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PCF8574DWR 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
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    -
The PCF8574DWR 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 PCF8574DWR:Advantages: 1. I2C Interface: The PCF8574DWR 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. 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. 5. Wide Operating Voltage Range: The PCF8574DWR can operate within a wide voltage range, typically from 2.5V to 6V, allowing compatibility with various systems.Application Scenarios: 1. Expanding I/O Ports: The PCF8574DWR can be used to expand the number of I/O pins of a microcontroller, especially when the available pins are limited. 2. Keypad or Button Interface: It can be used to interface with a keypad or a set of buttons, where each button can be connected to one of the I/O pins. The chip can detect button presses and send the corresponding signals to the microcontroller. 3. LED Control: The PCF8574DWR can be used to control multiple LEDs, where each LED can be 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 light sensors. The sensor outputs can be connected to the I/O pins, and the microcontroller can read the sensor data through the chip. 5. I/O Expansion for Raspberry Pi or Arduino: The PCF8574DWR can be used to expand the limited number of I/O pins available on popular development boards like Raspberry Pi or Arduino, allowing for more versatile projects.Overall, the PCF8574DWR is a versatile chip that can be used in various applications to expand I/O capabilities and interface with different devices.
PCF8574DWR Relevant information