PCA9554D,112

Product Overview

Category

The PCA9554D,112 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for input/output (I/O) expansion in various electronic devices.

Characteristics

• The PCA9554D,112 is a 8-bit I/O expander with an I2C interface.
• It provides additional digital I/O ports for microcontrollers or other devices.
• This IC operates at a voltage range of 2.3V to 5.5V.
• It has a maximum frequency of 400 kHz for the I2C bus communication.

Package

The PCA9554D,112 is available in a small outline package (SOT96-1), also known as TSSOP-16.

Essence

The essence of this product lies in its ability to expand the number of available I/O ports in electronic systems, enabling greater flexibility and functionality.

Packaging/Quantity

The PCA9554D,112 is typically sold in reels, with each reel containing 2500 units.

Specifications

• Number of I/O Ports: 8
• Interface Type: I2C
• Supply Voltage Range: 2.3V to 5.5V
• Maximum Frequency: 400 kHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PCA9554D,112 has a total of 16 pins, which are assigned 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 (Port 0)
8. P1 (Port 1)
9. P2 (Port 2)
10. P3 (Port 3)
11. P4 (Port 4)
12. P5 (Port 5)
13. P6 (Port 6)
14. P7 (Port 7)
15. VCC (Supply Voltage)
16. INT (Interrupt Output)

Functional Features

• Bidirectional I/O ports
• Individual port configuration
• Interrupt output for port status change detection
• Low standby current consumption
• Compatible with I2C bus systems

Advantages and Disadvantages

Advantages

• Provides additional I/O ports without requiring extra microcontroller pins
• Flexible configuration options for each port
• Low power consumption in standby mode
• Easy integration into existing I2C bus systems

Disadvantages

• Limited number of I/O ports (8 in total)
• Requires I2C communication protocol implementation

Working Principles

The PCA9554D,112 operates by communicating with a microcontroller or other devices through the I2C interface. It receives commands and data from the master device and controls the state of its I/O ports accordingly. The interrupt output can be used to detect changes in the status of the ports.

Detailed Application Field Plans

The PCA9554D,112 finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Internet of Things (IoT) devices - Robotics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the PCA9554D,112 include: - MCP23008 - PCF8574 - MAX7311 - TCA9539

These alternatives may have slightly different specifications and pin configurations, but they serve the same purpose of expanding I/O capabilities.

In conclusion, the PCA9554D,112 is an integrated circuit used for I/O expansion in electronic devices. It offers 8 bidirectional I/O ports and operates through the I2C interface. With its flexible configuration options and low power consumption, it finds applications in various fields. Alternative models such as MCP23008, PCF8574, MAX7311, and TCA9539 provide similar functionality.