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PCF8574APWG4

PCF8574APWG4

Manufacturer No:

PCF8574APWG4

Manufacturer:

Texas Instruments

Description:

IC XPNDR 100KHZ I2C 20TSSOP

Datasheet:

Datasheet

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PCF8574APWG4 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
    Tube
  • Product Status
    Last Time Buy
  • Series
    -
The PCF8574APWG4 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 PCF8574APWG4:Advantages: 1. I2C Interface: The PCF8574APWG4 chip communicates with the microcontroller or other devices using the I2C 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 digital inputs or outputs using just two I2C pins. 3. Low Power Consumption: The chip 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 any of the I/O pins change their state. 5. Wide Operating Voltage Range: The PCF8574APWG4 can operate within a wide voltage range, typically from 2.5V to 6V, making it compatible with various power supply systems.Application Scenarios: 1. Digital I/O Expansion: The PCF8574APWG4 chip is commonly used to expand the number of digital input or output pins of a microcontroller. It can be used in applications where the microcontroller has limited I/O pins but requires more for interfacing with various sensors, switches, LEDs, relays, etc. 2. Keypad or Button Matrix: It can be used to interface with a keypad or button matrix, where multiple buttons can be connected using fewer I/O pins of the microcontroller. 3. LED Control: The chip can be used to control multiple LEDs using fewer I/O pins. It is often used in applications where a large number of LEDs need to be controlled individually, such as in display panels, signage, or lighting systems. 4. Sensor Interface: The PCF8574APWG4 can be used to interface with various digital sensors that require additional I/O pins for communication or control. 5. Industrial Automation: It finds applications in industrial automation systems where multiple devices or sensors need to be controlled or monitored using a microcontroller with limited I/O pins.Overall, the PCF8574APWG4 chip offers a simple and efficient way to expand the I/O capabilities of a microcontroller, making it suitable for a wide range of applications requiring additional digital inputs or outputs.
PCF8574APWG4 Relevant information