Home / I/O Expanders / PCF8574RGYR/
PCF8574RGYR

PCF8574RGYR

Manufacturer No:

PCF8574RGYR

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 20VQFN

Datasheet:

Datasheet

Delivery:

Payment:

Please send RFQ , we will respond immediately.

PCF8574RGYR Specifications

  • Type
    Parameter
  • Supplier Device Package
    20-VQFN (3.5x4.5)
  • Package / Case
    20-VFQFN Exposed Pad
  • 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 PCF8574RGYR is an integrated circuit chip that belongs to the PCF8574 family of remote 8-bit I/O expanders for I2C-bus applications. Here are some advantages and application scenarios of the PCF8574RGYR chip:Advantages: 1. I2C Interface: The PCF8574RGYR chip communicates using the I2C protocol, which allows for easy integration with microcontrollers and other devices supporting I2C communication. 2. Expandable I/O: It provides 8 additional I/O pins, which can be used to expand the number of input/output ports of a microcontroller or other devices. 3. Low Power Consumption: The chip operates at low power, making it suitable for battery-powered applications. 4. Addressable: Multiple PCF8574RGYR chips can be connected to the same I2C bus, allowing for the expansion of I/O ports as needed.Application Scenarios: 1. GPIO Expansion: The PCF8574RGYR chip is commonly used to expand the number of general-purpose input/output (GPIO) pins of microcontrollers. This is particularly useful when the microcontroller has limited I/O pins, but more are required to interface with various sensors, actuators, or other peripheral devices. 2. Keypad or Button Matrix: It can be used to interface with a keypad or button matrix, where each button is connected to one of the chip's I/O pins. This allows for efficient scanning and detection of button presses. 3. LED Control: The PCF8574RGYR chip can be used to control multiple LEDs, where each LED is connected to one of the chip's I/O pins. This is useful in applications such as LED displays, status indicators, or lighting control. 4. I/O Expansion for Sensors: It can be used to connect and interface with various sensors that require additional I/O pins, such as temperature sensors, humidity sensors, or proximity sensors.These are just a few examples of the advantages and application scenarios of the PCF8574RGYR integrated circuit chip. Its versatility and ease of use make it a popular choice for expanding I/O capabilities in various electronic projects.
PCF8574RGYR Relevant information