NXP USA Inc.
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PCF8575CTS/1,112
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PCF8575CTS/1,112

Product Overview

Category

The PCF8575CTS/1,112 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used as an I/O expander in various electronic devices.

Characteristics

  • The PCF8575CTS/1,112 is a 16-bit I/O expander with an I2C interface.
  • It operates at a voltage range of 2.5V to 6V.
  • This IC can be cascaded with other PCF8575 devices for additional I/O expansion.
  • It has built-in interrupt capability for efficient data transfer.
  • The PCF8575CTS/1,112 is compatible with both 3.3V and 5V systems.

Package

The PCF8575CTS/1,112 is available in a small-sized TSSOP package.

Essence

The essence of the PCF8575CTS/1,112 lies in its ability to provide additional input/output ports to microcontrollers or other devices through the I2C bus.

Packaging/Quantity

This IC is typically sold in reels or tubes, containing a specific quantity per package. Please refer to the manufacturer's specifications for detailed packaging information.

Specifications

  • Number of I/O Ports: 16
  • Interface: I2C
  • Voltage Range: 2.5V to 6V
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: TSSOP

Detailed Pin Configuration

The PCF8575CTS/1,112 has a total of 24 pins. The pin configuration is as follows:

  1. SDA (Serial Data)
  2. SCL (Serial Clock)
  3. A0 (Address Bit 0)
  4. A1 (Address Bit 1)
  5. A2 (Address Bit 2)
  6. GND (Ground)
  7. P0 (I/O Port 0)
  8. P1 (I/O Port 1)
  9. P2 (I/O Port 2)
  10. P3 (I/O Port 3)
  11. P4 (I/O Port 4)
  12. P5 (I/O Port 5)
  13. P6 (I/O Port 6)
  14. P7 (I/O Port 7)
  15. P8 (I/O Port 8)
  16. P9 (I/O Port 9)
  17. P10 (I/O Port 10)
  18. P11 (I/O Port 11)
  19. P12 (I/O Port 12)
  20. P13 (I/O Port 13)
  21. P14 (I/O Port 14)
  22. P15 (I/O Port 15)
  23. VCC (Power Supply)
  24. INT (Interrupt Output)

Functional Features

  • I2C interface for easy integration with microcontrollers and other devices.
  • 16-bit I/O expander providing additional input/output ports.
  • Cascadable with other PCF8575 devices for expanded I/O capabilities.
  • Built-in interrupt capability for efficient data transfer.
  • Compatible with both 3.3V and 5V systems.

Advantages and Disadvantages

Advantages

  • Provides additional I/O ports, expanding the capabilities of microcontrollers or other devices.
  • Easy integration through the I2C interface.
  • Cascadable for increased I/O expansion.
  • Built-in interrupt capability enhances data transfer efficiency.
  • Compatible with multiple voltage systems.

Disadvantages

  • Limited to 16 I/O ports, may not be sufficient for certain applications requiring a higher number of I/Os.
  • Requires knowledge of I2C protocol for proper implementation.

Working Principles

The PCF8575CTS/1,112 operates by receiving commands and data through the I2C interface. It communicates with a microcontroller or other devices using the I2C protocol. The IC acts as an I/O expander, providing additional ports for input and output operations. The built-in interrupt capability allows for efficient data transfer between the PCF8575CTS/1,112 and the connected device.

Detailed Application Field Plans

The PCF8575CTS/1,112 finds applications in various fields, including but not limited to:

  1. Industrial automation systems
  2. Home automation systems
  3. Robotics
  4. IoT (Internet of Things) devices
  5. Sensor interfacing
  6. Display control
  7. Keypad scanning
  8. LED matrix control
  9. Data logging systems
  10. Automotive electronics

Detailed and Complete Alternative Models

  1. MCP23017 - 16-Bit I/O Expander with I2C Interface
  2. MAX7313 - 16-Bit I/O Expander with Serial Interface
  3. PCA9555 -

Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem PCF8575CTS/1,112 w rozwiązaniach technicznych

  1. What is the PCF8575CTS/1,112 used for?
    - The PCF8575CTS/1,112 is a remote 16-bit I/O expander for the I2C bus.

  2. How many I/O pins does the PCF8575CTS/1,112 have?
    - It has 16 I/O pins.

  3. What is the maximum voltage the PCF8575CTS/1,112 can handle?
    - The maximum voltage is 5.5V.

  4. Can the PCF8575CTS/1,112 be used with Arduino?
    - Yes, it can be interfaced with Arduino using the I2C protocol.

  5. What are some common applications of the PCF8575CTS/1,112?
    - It is commonly used in industrial control systems, home automation, and automotive applications.

  6. Is the PCF8575CTS/1,112 suitable for low-power applications?
    - Yes, it has a low standby current consumption.

  7. Can multiple PCF8575CTS/1,112 devices be connected to the same I2C bus?
    - Yes, multiple devices can be connected as long as each has a unique address.

  8. What is the operating temperature range of the PCF8575CTS/1,112?
    - The operating temperature range is -40°C to 85°C.

  9. Does the PCF8575CTS/1,112 have internal pull-up resistors?
    - Yes, it has internal pull-up resistors that can be enabled.

  10. Can the PCF8575CTS/1,112 be used for both input and output operations?
    - Yes, it can be configured for both input and output operations on individual pins.