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PCF8574ARGYR

PCF8574ARGYR

Manufacturer No:

PCF8574ARGYR

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 20VQFN

Datasheet:

Datasheet

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PCF8574ARGYR 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 PCF8574ARGYR is a popular integrated circuit chip that serves as an I/O expander. Here are the advantages and application scenarios of this chip:Advantages:1. Expandability: The PCF8574ARGYR can be used to expand the number of I/O pins available on a microcontroller or other devices. It provides an additional 8-bit I/O port, which can be useful when the number of I/O pins on the main device is limited.2. Simple interface: The chip communicates with the main device through the I2C bus, which is a widely used and straightforward serial communication protocol. This makes it compatible with a wide range of microcontrollers and easy to interface.3. Low power consumption: The PCF8574ARGYR is designed to operate with low power consumption. It features a shutdown mode that reduces the current consumption to a minimal level when not in use, making it suitable for power-sensitive applications.4. Addressable: Multiple PCF8574ARGYR chips can be used on the same I2C bus, as they have different selectable addresses. This allows for further expansion of I/O pins without conflicting addresses.Application scenarios:1. Keypad interfacing: The PCF8574ARGYR can be used to interface a keypad to a microcontroller. By connecting the keys of the keypad to the chip's I/O pins and reading their states through the I2C bus, it allows for efficient handling of keypad inputs.2. LED display control: Common LED displays, such as 7-segment or matrix displays, require multiple control lines. The PCF8574ARGYR can provide additional I/O pins to directly control these displays, eliminating the need for complex wiring and reducing the number of pins used on the main device.3. Sensor interface expansion: In applications where multiple sensors need to be connected to a microcontroller, the PCF8574ARGYR can be used to expand the available I/O pins. Each sensor can be connected to one of the chip's I/O pins, allowing for efficient handling and reading of sensor data.4. GPIO expansion: If a microcontroller has limited general-purpose input/output (GPIO) pins, the PCF8574ARGYR can be used to expand the number of GPIO pins available. This is useful in applications that require interfacing with multiple external devices simultaneously.Overall, the PCF8574ARGYR integrated circuit chip provides expandability, simple interface, low power consumption, and addressability, making it suitable for various applications requiring additional I/O pins.
PCF8574ARGYR Relevant information