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PCA9539D,112

PCA9539D,112

Manufacturer No:

PCA9539D,112

Manufacturer:

NXP USA Inc.

Description:

IC XPNDR 400KHZ I2C SMBUS 24SO

Datasheet:

Datasheet

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PCA9539D,112 Specifications

  • Type
    Parameter
  • Supplier Device Package
    24-SO
  • Package / Case
    24-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
    10mA, 25mA
  • Output Type
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C, SMBus
  • Number of I/O
    16
  • DigiKey Programmable
    Not Verified
  • Packaging
    Tube
  • Packaging
    Bulk
  • Product Status
    Obsolete
  • Series
    -
The PCA9539D,112 is an integrated circuit chip that belongs to the PCA9539 series of I/O expanders. It is designed to provide additional input/output (I/O) pins for microcontrollers or other digital devices. Here are some advantages and application scenarios of the PCA9539D,112:Advantages: 1. Increased I/O Pins: The PCA9539D,112 provides 16 I/O pins, which can be configured as either inputs or outputs. This allows for the expansion of I/O capabilities in systems with limited pins on the microcontroller.2. I2C Interface: The chip communicates with the microcontroller using the I2C (Inter-Integrated Circuit) protocol. This interface is widely supported and allows for easy integration with various microcontrollers and digital devices.3. Programmable Configuration: The PCA9539D,112 allows individual pins to be configured as inputs or outputs, and supports various features like pull-up resistors, polarity inversion, and interrupt generation. This flexibility enables customization based on specific application requirements.4. Low Power Consumption: The chip is designed to operate at low power, making it suitable for battery-powered devices or applications where power efficiency is crucial.Application Scenarios: 1. I/O Expansion: The PCA9539D,112 can be used to expand the number of I/O pins in microcontroller-based systems. It is particularly useful in applications where the microcontroller has limited pins, such as small-scale embedded systems, IoT devices, or sensor networks.2. LED Control: The chip's I/O pins can be configured as outputs to control LEDs or other digital indicators. This makes it suitable for applications like LED displays, status indicators, or lighting control systems.3. Keypad or Button Interface: The PCA9539D,112 can be used to interface with keypads or buttons. The I/O pins can be configured as inputs with pull-up resistors, and the chip can generate interrupts to the microcontroller when a button is pressed or released.4. GPIO Expansion: The chip can be used to expand the general-purpose input/output (GPIO) capabilities of microcontrollers. It allows for connecting additional sensors, actuators, or peripheral devices that require digital I/O.Overall, the PCA9539D,112 offers a flexible and convenient solution for I/O expansion in various applications, providing increased functionality and customization options.
PCA9539D,112 Relevant information