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PCA9556PW,112

PCA9556PW,112

Manufacturer No:

PCA9556PW,112

Manufacturer:

NXP USA Inc.

Description:

IC XPND 100KHZ I2C SMBUS 16TSSOP

Datasheet:

Datasheet

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PCA9556PW,112 Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-TSSOP
  • Package / Case
    16-TSSOP (0.173", 4.40mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    3V ~ 5.5V
  • Clock Frequency
    100 kHz
  • Current - Output Source/Sink
    10mA, 20mA
  • Output Type
    Open Drain, Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C, SMBus
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Packaging
    Tube
  • Product Status
    Obsolete
  • Series
    -
The PCA9556PW,112 is an integrated circuit chip that belongs to the PCA9556 series of devices. It is a 16-bit I/O expander with an I2C interface. Here are some advantages and application scenarios of the PCA9556PW,112:Advantages: 1. Expandability: The PCA9556PW,112 allows you to expand the number of I/O pins available on your microcontroller or system. It provides 16 additional I/O pins, which can be configured as inputs or outputs. 2. I2C Interface: The chip communicates with the host microcontroller using the I2C bus, which is a widely used serial communication protocol. This makes it compatible with a wide range of microcontrollers and other I2C devices. 3. Low Power Consumption: The PCA9556PW,112 is designed to operate with low power consumption, making it suitable for battery-powered applications or energy-efficient systems. 4. Interrupt Functionality: The chip supports interrupt functionality, allowing the microcontroller to be notified when a change occurs on any of the I/O pins. This can be useful for applications that require real-time response to external events.Application Scenarios: 1. GPIO Expansion: The PCA9556PW,112 can be used to expand the number of general-purpose input/output (GPIO) pins available on a microcontroller. This is particularly useful in applications where the microcontroller has limited I/O pins, such as small embedded systems or IoT devices. 2. LED Control: The chip can be used to control multiple LEDs in applications such as LED displays, status indicators, or lighting systems. The I/O pins can be configured as outputs to drive the LEDs, and the interrupt functionality can be used to detect changes in LED states. 3. Keypad or Button Interface: The PCA9556PW,112 can be used to interface with a keypad or a set of buttons. The I/O pins can be configured as inputs, and the interrupt functionality can be used to detect button presses or changes in button states. 4. Sensor Interface: The chip can be used to interface with various sensors that use digital outputs. The I/O pins can be configured as inputs to read the sensor outputs, and the interrupt functionality can be used to detect changes in sensor readings.These are just a few examples of the advantages and application scenarios of the PCA9556PW,112. The specific use cases may vary depending on the requirements of your project.
PCA9556PW,112 Relevant information