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PCF8574APWRG4

PCF8574APWRG4

Manufacturer No:

PCF8574APWRG4

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 20TSSOP

Datasheet:

Datasheet

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PCF8574APWRG4 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 PCF8574APWRG4 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 PCF8574APWRG4:Advantages: 1. I2C Interface: The PCF8574APWRG4 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 PCF8574APWRG4 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 PCF8574APWRG4 chips can be connected to the same I2C bus, each with a unique address, enabling the expansion of I/O pins.Application Scenarios: 1. Keypad Interface: The PCF8574APWRG4 can be used to interface a keypad with a microcontroller. Each key can be connected to an input pin, and the chip will send the keypress information to the microcontroller via I2C. 2. LED Control: It can be used to control multiple LEDs using fewer microcontroller pins. Each LED can be connected to an output pin of the PCF8574APWRG4, and the microcontroller can send commands to turn on/off specific LEDs. 3. Sensor Inputs: The chip can be used to read inputs from various sensors, such as temperature sensors, light sensors, or proximity sensors. The sensors can be connected to the input pins of the PCF8574APWRG4, and the microcontroller can read the sensor data via I2C. 4. LCD Display: It can be used to interface an LCD display with a microcontroller. The PCF8574APWRG4 can control the data and control lines of the LCD, allowing the microcontroller to send commands and display data on the LCD.These are just a few examples of the advantages and application scenarios of the PCF8574APWRG4 integrated circuit chip. Its flexibility and ease of use make it suitable for a wide range of applications requiring additional I/O pins or I2C communication.
PCF8574APWRG4 Relevant information