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PCF8574ADWR

PCF8574ADWR

Manufacturer No:

PCF8574ADWR

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 16SOIC

Datasheet:

Datasheet

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PCF8574ADWR 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 PCF8574ADWR 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 the PCF8574ADWR chip:Advantages: 1. I2C Interface: The PCF8574ADWR chip communicates with the microcontroller or other devices using the I2C bus protocol, which allows for easy integration into various systems. 2. Expandable I/O: It provides 8-bit I/O expansion, allowing the microcontroller to control up to 8 additional devices or read inputs from external sensors. 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 an input changes, reducing the need for continuous polling. 5. Addressable: Multiple PCF8574ADWR chips can be connected to the same I2C bus, each with a unique address, enabling the expansion of I/O ports.Application Scenarios: 1. Keypad Interface: The PCF8574ADWR chip can be used to interface a keypad with a microcontroller. Each key can be connected to an input pin of the chip, and the microcontroller can read the key presses by communicating with the chip over the I2C bus. 2. LED Control: It can be used to control multiple LEDs using a microcontroller with limited I/O pins. Each LED can be connected to an output pin of the chip, and the microcontroller can turn on/off the LEDs by sending commands to the chip. 3. Sensor Interface: The chip can be used to interface various sensors, such as temperature sensors, light sensors, or proximity sensors, with a microcontroller. The sensors can be connected to the input pins of the chip, and the microcontroller can read the sensor data by communicating with the chip. 4. I/O Expansion: When a microcontroller has limited I/O pins, the PCF8574ADWR chip can be used to expand the number of available I/O ports. It allows the microcontroller to control or monitor more devices without the need for additional pins on the microcontroller itself. 5. Industrial Automation: The chip can be used in industrial automation systems where multiple devices need to be controlled or monitored. It provides a cost-effective solution for expanding I/O capabilities in such applications.Overall, the PCF8574ADWR chip offers a convenient and flexible way to expand I/O capabilities in various applications, making it a popular choice for interfacing with microcontrollers and other devices.
PCF8574ADWR Relevant information