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PCA8574AD,518

PCA8574AD,518

Manufacturer No:

PCA8574AD,518

Manufacturer:

NXP USA Inc.

Description:

IC XPNDR 400KHZ I2C 16SO

Datasheet:

Datasheet

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PCA8574AD,518 Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SO
  • Package / Case
    16-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    2.3V ~ 5.5V
  • Clock Frequency
    400 kHz
  • Current - Output Source/Sink
    100µA, 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
    Obsolete
  • Series
    -
The PCA8574AD,518 is an integrated circuit chip that belongs to the PCA8574A family of remote 8-bit I/O expanders for I2C-bus. Here are some advantages and application scenarios of this chip:Advantages: 1. I2C Interface: The chip uses the I2C interface, which is a widely used communication protocol for connecting various devices in embedded systems. This allows for easy integration with microcontrollers and other I2C-compatible devices. 2. Expandable I/O: The chip provides 8 additional I/O pins, which can be used to expand the number of available I/O pins on a microcontroller or other devices. This is particularly useful when the number of available I/O pins is limited. 3. Low Power Consumption: The chip operates at low power, making it suitable for battery-powered applications or devices where power efficiency is important. 4. Interrupt Output: The chip has an interrupt output pin that can be used to notify the microcontroller when any of the I/O pins change their state. This helps in reducing the need for continuous polling of the I/O pins.Application Scenarios: 1. I/O Expansion: The PCA8574AD,518 chip can be used to expand the number of available I/O pins on microcontrollers or other devices. This is useful in applications where a large number of sensors, actuators, or other peripherals need to be connected. 2. Keypad or Button Interface: The chip can be used to interface with a keypad or a set of buttons. Each button can be connected to one of the I/O pins, and the microcontroller can read the button states through the I2C interface. 3. LED Control: The chip can be used to control multiple LEDs. Each LED can be connected to one of the I/O pins, and the microcontroller can control the LED states by writing to the corresponding I/O pins. 4. GPIO Expansion: The chip can be used to expand the general-purpose input/output (GPIO) capabilities of microcontrollers or other devices. This allows for connecting additional devices or peripherals that require GPIO pins.Overall, the PCA8574AD,518 chip provides a convenient and efficient way to expand the I/O capabilities of microcontrollers and other devices, making it suitable for a wide range of applications.
PCA8574AD,518 Relevant information