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PCA9557D112

PCA9557D112

Manufacturer No:

PCA9557D112

Manufacturer:

NXP USA Inc.

Description:

IC XPNDR 400KHZ I2C SMBUS 16SO

Datasheet:

Datasheet

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PCA9557D112 Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SO
  • Package / Case
    16-SOIC (0.154", 3.90mm 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
    10mA, 20mA
  • Output Type
    Open Drain, Push-Pull
  • Features
    POR
  • Interrupt Output
    No
  • Interface
    I²C, SMBus
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    -
The PCA9557D112 is an integrated circuit chip that belongs to the PCA9557 family of devices. It is a 24-pin CMOS device that provides 8 bits of General Purpose Input/Output (GPIO) expansion through the I2C-bus interface. Here are some advantages and application scenarios of the PCA9557D112:Advantages: 1. GPIO Expansion: The PCA9557D112 allows for expanding the number of available GPIO pins on a microcontroller or other devices. It provides 8 additional I/O pins, which can be configured as inputs or outputs, thus increasing the overall flexibility of the system.2. I2C Interface: The chip communicates with the host microcontroller or other devices through the I2C-bus interface. This interface is widely used and allows for easy integration into existing systems.3. Low Power Consumption: The PCA9557D112 operates at low power, making it suitable for battery-powered or energy-efficient applications.4. Interrupt Functionality: The chip supports interrupt functionality, allowing the host microcontroller to be notified when a change occurs on any of the GPIO pins. This feature can be useful in applications where real-time response to external events is required.Application Scenarios: 1. Industrial Automation: The PCA9557D112 can be used in industrial automation systems to expand the number of available I/O pins. It can be used to interface with sensors, actuators, and other devices, providing control and monitoring capabilities.2. Home Automation: In home automation systems, the chip can be used to interface with various sensors and actuators, such as motion sensors, door/window sensors, and lighting control. It allows for easy expansion of the system's I/O capabilities.3. Internet of Things (IoT): The PCA9557D112 can be used in IoT devices to provide additional GPIO pins for various purposes. It can be used to interface with sensors, control actuators, or communicate with other devices in the network.4. Embedded Systems: The chip can be used in embedded systems where the number of available I/O pins on the microcontroller is limited. It allows for easy expansion of the I/O capabilities without the need for additional microcontrollers or complex wiring.Overall, the PCA9557D112 integrated circuit chip offers GPIO expansion, I2C interface, low power consumption, and interrupt functionality, making it suitable for a wide range of applications in industrial automation, home automation, IoT, and embedded systems.
PCA9557D112 Relevant information