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PCF8574DWE4

PCF8574DWE4

Manufacturer No:

PCF8574DWE4

Manufacturer:

Texas Instruments

Description:

IC I/O EXPANDER I2C 8B 16SOIC

Datasheet:

Datasheet

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PCF8574DWE4 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
  • Product Status
    Active
  • Series
    -
The PCF8574DWE4 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 PCF8574DWE4:Advantages: 1. I2C Interface: The PCF8574DWE4 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 or read inputs from external sensors. 3. Low Power Consumption: The chip operates at low power, making it suitable for battery-powered applications. 4. Addressable: Multiple PCF8574DWE4 chips can be connected to the same I2C bus, each with a unique address, enabling the expansion of I/O pins as needed.Application Scenarios: 1. GPIO Expansion: The PCF8574DWE4 chip is commonly used to expand the number of GPIO (General Purpose Input/Output) pins of microcontrollers. It allows the microcontroller to control more devices or read inputs from various sensors. 2. Keypad Interface: It can be used to interface with a matrix keypad, where each key is connected to one of the PCF8574DWE4's I/O pins. This simplifies the connection to the microcontroller, as it requires fewer pins. 3. LED Control: The chip can be used to control multiple LEDs, where each LED is connected to one of the PCF8574DWE4's I/O pins. This is useful in applications such as LED displays or indicators. 4. Sensor Interface: It can be used to read inputs from various sensors, such as temperature sensors, proximity sensors, or switches. The PCF8574DWE4 chip acts as an interface between the sensors and the microcontroller, reducing the number of required pins.Overall, the PCF8574DWE4 chip offers a simple and efficient way to expand the I/O capabilities of microcontrollers, making it suitable for a wide range of applications in the field of embedded systems.
PCF8574DWE4 Relevant information