PCA9675DB,112

Product Overview

Category

PCA9675DB,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for controlling and expanding general-purpose input/output (GPIO) ports in various electronic devices.

Characteristics

• The PCA9675DB,112 is a 16-bit I/O expander with an I2C interface.
• It provides an easy way to increase the number of available GPIO pins in a system.
• The device operates at a voltage range of 2.3V to 5.5V, making it suitable for a wide range of applications.
• It offers high-speed I2C bus communication, allowing for efficient data transfer.

Package

The PCA9675DB,112 is available in a small outline package (SO) with 24 pins.

Essence

The essence of PCA9675DB,112 lies in its ability to expand the number of GPIO pins, providing flexibility and convenience in electronic designs.

Packaging/Quantity

This product is typically sold in reels or tubes, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage: 2.3V to 5.5V
• Number of I/O Pins: 16
• Interface: I2C
• Operating Temperature Range: -40°C to +85°C
• Package Type: SO-24

Detailed Pin Configuration

The PCA9675DB,112 has a total of 24 pins, which are configured as follows:

1. SDA - Serial Data Input/Output
2. SCL - Serial Clock Input
3. A0 - Address Bit 0
4. A1 - Address Bit 1
5. A2 - Address Bit 2
6. GND - Ground
7. P00 - General Purpose I/O Pin 0
8. P01 - General Purpose I/O Pin 1
9. P02 - General Purpose I/O Pin 2
10. P03 - General Purpose I/O Pin 3
11. P04 - General Purpose I/O Pin 4
12. P05 - General Purpose I/O Pin 5
13. P06 - General Purpose I/O Pin 6
14. P07 - General Purpose I/O Pin 7
15. P10 - General Purpose I/O Pin 8
16. P11 - General Purpose I/O Pin 9
17. P12 - General Purpose I/O Pin 10
18. P13 - General Purpose I/O Pin 11
19. P14 - General Purpose I/O Pin 12
20. P15 - General Purpose I/O Pin 13
21. VDD - Supply Voltage
22. RESET - Reset Input
23. INT - Interrupt Output
24. GND - Ground

Functional Features

• The PCA9675DB,112 provides 16 programmable GPIO pins that can be configured as inputs or outputs.
• It supports individual pin configuration and allows for both pull-up and open-drain output options.
• The device offers interrupt functionality to notify the host controller of input changes.
• It has a built-in reset function that allows all outputs to be set to a defined state.

Advantages and Disadvantages

Advantages

• Easy expansion of GPIO pins in electronic designs.
• High-speed I2C communication for efficient data transfer.
• Wide operating voltage range for compatibility with various systems.
• Interrupt functionality for timely input change notifications.

Disadvantages

• Limited number of available GPIO pins (16 in total).
• Requires an I2C interface for communication.

Working Principles

The PCA9675DB,112 operates by communicating with a host controller through the I2C interface. The host controller sends commands and data to the PCA9675DB,112, which then controls the corresponding GPIO pins based on the received instructions. The device can be configured as inputs or outputs, allowing for versatile usage in different applications.

Detailed Application Field Plans

The PCA9675DB,112 finds application in various fields, including but not limited to:

1. Industrial automation systems
2. Home automation devices
3. Internet of Things (IoT) applications
4. Robotics and control systems
5. Automotive electronics
6. Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the PCA9675DB,112 are:

1. MCP23017 - 16-Bit I/O Expander with I2C Interface
2. PCF8574 - 8-Bit I/O Expander with I2C Interface
3. MAX7313 - 16-Bit I/O Expander with SPI Interface
4. TCA9539 - 16-Bit I/O Expander with I2C Interface

These alternative models provide options for designers based on their specific requirements