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TCA9554DWR

TCA9554DWR

Manufacturer No:

TCA9554DWR

Manufacturer:

Texas Instruments

Description:

IC XPNDR 400KHZ I2C 16SOIC

Datasheet:

Datasheet

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TCA9554DWR Specifications

  • Type
    Parameter
  • Supplier Device Package
    16-SOIC
  • Package / Case
    16-SOIC (0.295", 7.50mm Width)
  • Mounting Type
    Surface Mount
  • Operating Temperature
    -40°C ~ 85°C
  • Voltage - Supply
    1.65V ~ 5.5V
  • Clock Frequency
    400 kHz
  • Current - Output Source/Sink
    -
  • Output Type
    Push-Pull
  • Features
    POR
  • Interrupt Output
    Yes
  • Interface
    I²C
  • Number of I/O
    8
  • DigiKey Programmable
    Not Verified
  • Packaging
    Cut Tape (CT)
  • Packaging
    Tape & Reel (TR)
  • Product Status
    Active
  • Series
    -
The TCA9554DWR is an integrated circuit chip that belongs to the TCA9554 family of I/O expanders. It provides additional I/O ports by acting as an I2C-based remote 8-bit I/O expander with interrupt and weak pull-up resistors. Some of the advantages and application scenarios of the TCA9554DWR chip are as follows:Advantages:1. I2C Interface: The chip uses the I2C interface for communication, allowing multiple devices to be connected on the same bus, which saves microcontroller pins and simplifies the design.2. Multiple Devices: Multiple TCA9554DWR chips can be daisy-chained together, providing a significant number of I/O ports from a single I2C address.3. Programmable I/O Functions: The chip allows the configuration of individual I/O ports as inputs, outputs, or open-drain inputs, making it flexible to adapt to different scenarios.4. Interrupts: The TCA9554DWR supports interrupt pins that can be used to notify the microcontroller when any of the I/O ports change, reducing the need for constant polling and saving processing power.5. Weak Pull-Up Resistors: The chip includes programmable weak pull-up resistors for each individual I/O port, eliminating the need for external resistors and simplifying design and wiring.Application Scenarios:1. Expanding I/O Ports: The TCA9554DWR chip is commonly used to expand the number of available I/O ports on microcontrollers that have limited pins. It allows connecting additional sensors, buttons, switches, or indicators to the system.2. Automation and Control Systems: The chip finds applications in industrial automation and control systems, where numerous sensors, actuators, and devices need to be connected in a distributed manner.3. Data Logging and Monitoring: TCA9554DWR chips can be used in data logging applications, where multiple signals or events need to be monitored and recorded.4. GPIO Extension: The chip can be used for general-purpose input/output (GPIO) extension in various electronic devices, such as consumer electronics, appliances, and automotive systems.5. LED Matrix Control: The TCA9554DWR can be employed to control LED matrices or drive multiple LEDs, providing a simple and efficient solution for display or indicator systems.Overall, the TCA9554DWR chip offers advantages like I2C interface, expandability, configurability, and interrupt support, making it suitable for a range of applications where additional I/O ports are required.
TCA9554DWR Relevant information