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PCF8574APW

PCF8574APW

Manufacturer No:

PCF8574APW

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 20TSSOP

Datasheet:

Datasheet

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PCF8574APW Specifications

  • Type
    Parameter
  • Supplier Device Package
    20-TSSOP
  • Package / Case
    20-TSSOP (0.173", 4.40mm 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 PCF8574APW 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 PCF8574APW chip:Advantages: 1. I2C Interface: The PCF8574APW 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-bit I/O expansion, allowing the microcontroller to control up to 8 additional devices using just two I2C pins. 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. Addressable: Multiple PCF8574APW chips can be connected to the same I2C bus, each with a unique address, enabling the control of multiple devices.Application Scenarios: 1. Keypad Interface: The PCF8574APW chip can be used to interface a keypad with a microcontroller. Each key can be connected to one of the I/O pins, and the chip will detect the keypress and communicate it to the microcontroller. 2. LED Control: It can be used to control multiple LEDs using a microcontroller. Each LED can be connected to an I/O pin, and the microcontroller can turn on/off or dim the LEDs by controlling the corresponding pins. 3. LCD Display: The chip can be used to interface an LCD display with a microcontroller. It can control the data and control lines of the LCD, allowing the microcontroller to display text or graphics on the LCD. 4. Sensor Interface: It can be used to interface various sensors with a microcontroller. The sensors can be connected to the I/O pins, and the microcontroller can read the sensor data by communicating with the chip. 5. Relay Control: The PCF8574APW chip can be used to control multiple relays using a microcontroller. Each relay can be connected to an I/O pin, and the microcontroller can control the relays by changing the state of the corresponding pins.Overall, the PCF8574APW chip provides a convenient and flexible way to expand the I/O capabilities of a microcontroller, making it suitable for various applications requiring additional digital inputs or outputs.
PCF8574APW Relevant information