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PCA9554DBR

PCA9554DBR

Manufacturer No:

PCA9554DBR

Manufacturer:

Texas Instruments

Description:

IC XPNDR 400KHZ I2C SMBUS 16SSOP

Datasheet:

Datasheet

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PCA9554DBR Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SSOP
  • Package / Case
    16-SSOP (0.209", 5.30mm 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
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Last Time Buy
  • Series
    -
The PCA9554DBR is an integrated circuit chip that belongs to the PCA9554 family of devices. It is a 8-bit I/O expander with an I2C interface, which allows it to provide additional input/output pins to a microcontroller or other digital devices. Here are some advantages and application scenarios of the PCA9554DBR chip:Advantages: 1. Increased I/O Capability: The PCA9554DBR chip provides 8 additional I/O pins, which can be used to expand the I/O capability of a microcontroller or other digital devices. This is particularly useful when the number of available I/O pins on the main device is limited.2. I2C Interface: The chip communicates with the host device using the I2C interface, which is a widely used serial communication protocol. This makes it compatible with a wide range of microcontrollers and other digital devices that support I2C communication.3. Programmable I/O Pins: The PCA9554DBR chip allows individual I/O pins to be configured as either inputs or outputs. This flexibility enables various applications where different pins can be used for different purposes.4. Low Power Consumption: The chip is designed to operate with low power consumption, making it suitable for battery-powered devices or applications where power efficiency is important.Application Scenarios: 1. Expanding I/O Pins: The primary application of the PCA9554DBR chip is to expand the number of available I/O pins in a microcontroller or other digital devices. It can be used in scenarios where additional input or output pins are required, such as connecting multiple sensors, controlling multiple actuators, or interfacing with various peripheral devices.2. LED Control: The chip can be used to control multiple LEDs in applications like LED displays, indicator lights, or status indicators. The programmable I/O pins can be configured as outputs to drive the LEDs, and the I2C interface allows easy control and customization of the LED patterns.3. Keypad or Button Interface: The PCA9554DBR chip can be used to interface with a keypad or a set of buttons. The I/O pins can be configured as inputs, and the chip can detect button presses or keypad inputs. This is useful in applications like keyboards, remote controls, or user interfaces.4. GPIO Expansion: The chip can be used to expand the general-purpose input/output (GPIO) capability of a microcontroller or other digital devices. It allows connecting additional devices or peripherals that require digital I/O, such as motors, relays, sensors, or displays.Overall, the PCA9554DBR chip provides a convenient and flexible solution for expanding I/O capability and interfacing with various digital devices in a wide range of applications.
PCA9554DBR Relevant information