Diodes Incorporated
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PI4IOE5V9555LEX
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PI4IOE5V9555LEX

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Input/Output (I/O) Expander
  • Characteristics:
    • Low-voltage level shifting
    • Bidirectional voltage translation
    • High-speed I2C interface
    • Wide operating voltage range
  • Package: 24-pin QFN (Quad Flat No-Lead)
  • Essence: Provides additional I/O pins for microcontrollers and other digital devices
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 1.65V to 5.5V
  • I/O Voltage Level: 1.8V to 5.5V
  • Maximum I/O Pins: 16
  • I2C Bus Frequency: Up to 400kHz
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI4IOE5V9555LEX has a total of 24 pins, which are assigned as follows:

  1. VDD - Power supply voltage
  2. GND - Ground reference
  3. SDA - Serial Data Line for I2C communication
  4. SCL - Serial Clock Line for I2C communication 5-20. IO0-IO15 - Bidirectional I/O pins
  5. INT - Interrupt output pin
  6. OE - Output Enable control pin
  7. A0 - Address bit selection
  8. A1 - Address bit selection

Functional Features

  • Bidirectional voltage translation between low-voltage and high-voltage systems
  • Allows interfacing between devices with different voltage levels
  • Provides additional I/O pins for microcontrollers and digital devices
  • Supports high-speed I2C communication
  • Can be used as a general-purpose I/O expander or port extender

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows compatibility with various systems
  • High-speed I2C interface enables fast data transfer
  • Small package size saves board space
  • Bidirectional voltage translation simplifies interfacing between different voltage domains

Disadvantages

  • Limited number of I/O pins (16 in total)
  • Requires I2C communication protocol support from the host device

Working Principles

The PI4IOE5V9555LEX operates by receiving commands and data through the I2C bus. It acts as an intermediary between a microcontroller or digital device and external peripherals. The bidirectional voltage translation feature ensures seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The PI4IOE5V9555LEX finds applications in various fields, including: 1. Internet of Things (IoT) devices 2. Embedded systems 3. Robotics 4. Industrial automation 5. Consumer electronics

Detailed and Complete Alternative Models

  1. PCA9538 - 8-bit I/O expander with I2C interface
  2. MCP23017 - 16-bit I/O expander with I2C interface
  3. MAX7313 - 16-bit I/O expander with SPI interface
  4. TCA6424A - 24-bit I/O expander with I2C interface

These alternative models offer similar functionality to the PI4IOE5V9555LEX and can be considered based on specific requirements and system constraints.

In conclusion, the PI4IOE5V9555LEX is a versatile I/O expander IC that provides additional I/O pins and facilitates voltage translation between different systems. Its high-speed I2C interface and wide operating voltage range make it suitable for various applications in the field of embedded systems and digital electronics.

Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de PI4IOE5V9555LEX en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of PI4IOE5V9555LEX in technical solutions:

  1. Q: What is PI4IOE5V9555LEX? A: PI4IOE5V9555LEX is a versatile I/O expander that provides easy interface expansion for various microcontroller platforms.

  2. Q: What are the key features of PI4IOE5V9555LEX? A: Some key features include 16 GPIO pins, I2C interface, voltage translation, interrupt output, and low power consumption.

  3. Q: How can I communicate with PI4IOE5V9555LEX? A: PI4IOE5V9555LEX communicates using the I2C protocol, allowing you to control and read the status of its GPIO pins.

  4. Q: Can I use PI4IOE5V9555LEX with different microcontrollers? A: Yes, PI4IOE5V9555LEX is compatible with various microcontrollers that support the I2C communication protocol.

  5. Q: What is the maximum voltage level supported by PI4IOE5V9555LEX? A: PI4IOE5V9555LEX supports a maximum voltage level of 5V, making it suitable for both 3.3V and 5V systems.

  6. Q: Can I use PI4IOE5V9555LEX as an input or output expander? A: Yes, PI4IOE5V9555LEX can be used as both an input and output expander, allowing you to expand the number of available GPIO pins.

  7. Q: Does PI4IOE5V9555LEX have built-in pull-up resistors? A: Yes, PI4IOE5V9555LEX has built-in programmable pull-up resistors that can be enabled or disabled as per your requirements.

  8. Q: Can I use multiple PI4IOE5V9555LEX devices in the same system? A: Yes, you can use multiple PI4IOE5V9555LEX devices in the same system by assigning unique I2C addresses to each device.

  9. Q: What is the power supply requirement for PI4IOE5V9555LEX? A: PI4IOE5V9555LEX requires a power supply voltage between 1.65V and 5.5V.

  10. Q: Are there any application examples for PI4IOE5V9555LEX? A: Yes, some common applications include LED control, keypad scanning, sensor interfacing, and general-purpose I/O expansion.

I hope these questions and answers help! Let me know if you have any more queries.