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PCF8574APWRE4

PCF8574APWRE4

Manufacturer No:

PCF8574APWRE4

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 20TSSOP

Datasheet:

Datasheet

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PCF8574APWRE4 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
    Tape & Reel (TR)
  • Product Status
    Discontinued at Digi-Key
  • Series
    -
The PCF8574APWRE4 is an integrated circuit chip that offers several advantages and can be used in various application scenarios. Here are some of its key advantages and common applications:Advantages: 1. Expandability: The PCF8574APWRE4 is an 8-bit I/O expander, which means it can provide an additional 8 digital I/O pins to a microcontroller or other devices. This expandability allows for increased flexibility in connecting multiple peripherals or sensors to a single microcontroller.2. I2C Interface: The chip communicates using the I2C (Inter-Integrated Circuit) protocol, which is a widely used serial communication standard. The I2C interface enables easy integration with microcontrollers and other devices that support I2C communication.3. Low Power Consumption: The PCF8574APWRE4 is designed to operate at low power, making it suitable for battery-powered applications or scenarios where power efficiency is crucial.Application Scenarios: 1. GPIO Expansion: One of the primary applications of the PCF8574APWRE4 is to expand the number of general-purpose input/output (GPIO) pins available on a microcontroller. This is particularly useful when the microcontroller has limited GPIO pins, but more peripherals or sensors need to be connected.2. Keypad or Button Matrix: The chip can be used to interface with a keypad or button matrix. By connecting the keypad or buttons to the PCF8574APWRE4's I/O pins, it becomes easier to read the state of multiple buttons using fewer microcontroller pins.3. LED Control: The PCF8574APWRE4 can be used to control multiple LEDs using fewer microcontroller pins. By connecting the LEDs to the chip's I/O pins, you can individually control the state (on/off) of each LED.4. Sensor Interface: The chip can also be used to interface with various sensors that use digital I/O signals. By connecting the sensors to the PCF8574APWRE4, you can read the sensor data using the microcontroller's I2C interface.Overall, the PCF8574APWRE4 offers expandability, ease of integration, and low power consumption, making it a versatile choice for applications requiring additional I/O pins or interfacing with various peripherals.
PCF8574APWRE4 Relevant information