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PCF8574AT/3,518

PCF8574AT/3,518

Manufacturer No:

PCF8574AT/3,518

Manufacturer:

NXP USA Inc.

Description:

IC XPNDR 100KHZ I2C 16SO

Datasheet:

Datasheet

Delivery:

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PCF8574AT/3,518 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
    2.5V ~ 6V
  • Clock Frequency
    100 kHz
  • Current - Output Source/Sink
    300µA, 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 PCF8574AT/3,518 is an integrated circuit chip that belongs to the PCF8574 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 PCF8574AT/3,518 chip communicates using the I2C protocol, which is a widely used serial communication protocol for connecting multiple devices in a system. 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 input/output ports of a microcontroller or other devices. This is particularly useful when the available I/O pins on the main controller are limited.3. Low Power Consumption: The PCF8574AT/3,518 chip is designed to operate at low power, making it suitable for battery-powered applications or devices where power efficiency is crucial.4. Addressable: Multiple PCF8574AT/3,518 chips can be connected to the same I2C bus, and each chip can be assigned a unique address. This allows for the expansion of I/O ports by cascading multiple chips together.Application Scenarios: 1. I/O Expansion: The PCF8574AT/3,518 chip is commonly used to expand the number of I/O pins of microcontrollers, such as Arduino or Raspberry Pi. It can be used to connect various sensors, switches, or actuators that require additional I/O ports.2. Keypad or Button Matrix: The chip can be used to interface with a keypad or button matrix, where multiple buttons or keys can be connected using fewer I/O pins. Each button can be assigned a unique address, simplifying the scanning process.3. LED Control: The PCF8574AT/3,518 chip can be used to control multiple LEDs using fewer I/O pins. By connecting LEDs to the chip's output ports, it becomes possible to individually control the state (on/off) of each LED.4. LCD Display: The chip can be used to interface with an LCD display module, reducing the number of I/O pins required to drive the display. This is particularly useful in projects where the microcontroller has limited I/O pins available.Overall, the PCF8574AT/3,518 chip offers a convenient and efficient way to expand the I/O capabilities of microcontrollers or other devices using the I2C interface.
PCF8574AT/3,518 Relevant information