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PCA9534D

PCA9534D

Manufacturer No:

PCA9534D

Manufacturer:

NXP USA Inc.

Description:

PARALLEL I/O PORT, 8-BIT, 8 I/O,

Datasheet:

Datasheet

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PCA9534D Specifications

  • Type
    Parameter
  • Supplier Device Package
    -
  • Package / Case
    -
  • Mounting Type
    -
  • Applications
    -
  • Type
    -
  • DigiKey Programmable
    Not Verified
  • Packaging
    Bulk
  • Product Status
    Active
  • Series
    *
The PCA9534D is an integrated circuit chip that belongs to the family of I/O expanders. It provides 8-bit parallel input/output (I/O) expansion for I2C-bus/SMBus applications. Here are some advantages and application scenarios of the PCA9534D:Advantages: 1. I2C/SMBus Interface: The PCA9534D uses the I2C or SMBus interface, which allows for easy integration with microcontrollers and other devices supporting these communication protocols. 2. Expandable I/O: It provides 8 additional I/O pins, which can be used to expand the number of available I/O pins on a microcontroller or other devices. 3. Low Power Consumption: The PCA9534D has a low power consumption, making it suitable for battery-powered applications or devices with power constraints. 4. Interrupt Output: It has an interrupt output pin that can be used to notify the microcontroller about changes in the input pins' state, reducing the need for continuous polling.Application Scenarios: 1. LED Control: The PCA9534D can be used to control multiple LEDs in applications such as signage, lighting systems, or status indicators. The additional I/O pins allow for easy expansion of LED control without using many microcontroller pins. 2. Keypad/Buttons: It can be used to interface with a keypad or multiple buttons, expanding the number of available inputs for user interaction in applications like industrial control panels, home automation systems, or consumer electronics. 3. GPIO Expansion: The PCA9534D can be used to expand the number of general-purpose input/output (GPIO) pins on microcontrollers or other devices. This is useful in applications where the available GPIO pins are limited, such as sensor interfacing, robotics, or data acquisition systems. 4. I/O Monitoring: It can be used to monitor the state of digital inputs, such as switches or sensors, and provide interrupt-driven notifications to the microcontroller. This is beneficial in applications where real-time monitoring of input changes is required, like security systems or industrial automation.Overall, the PCA9534D offers a convenient and efficient way to expand I/O capabilities in various applications, providing flexibility, low power consumption, and easy integration through the I2C/SMBus interface.
PCA9534D Relevant information