PCA9554PW/Q900,118

Product Overview

Category

PCA9554PW/Q900,118 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• I2C-bus interface compatibility
• 8-bit remote I/O port with interrupt capability
• Low standby current consumption
• Schmitt trigger action on all inputs
• Open-drain interrupt output
• Noise filter on SDA/SCL inputs
• Latched outputs with high-current drive capability
• ESD protection exceeds JESD 22

Package

PCA9554PW/Q900,118 is available in a small outline package (SOT360-1) with 16 pins.

Essence

The essence of PCA9554PW/Q900,118 lies in its ability to provide additional I/O ports and interrupt capabilities to electronic devices through an I2C-bus interface.

Packaging/Quantity

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

Specifications

• Supply voltage: 2.3V to 5.5V
• Input voltage range: -0.5V to VDD + 0.5V
• Output voltage range: GND to VDD
• Operating temperature range: -40°C to +85°C
• Maximum clock frequency: 400 kHz

Detailed Pin Configuration

The pin configuration of PCA9554PW/Q900,118 is as follows:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | A0 | Address input bit 0 | | 2 | A1 | Address input bit 1 | | 3 | A2 | Address input bit 2 | | 4 | GND | Ground | | 5 | SDA | I2C-bus serial data input/output | | 6 | SCL | I2C-bus serial clock input | | 7-14 | P0-P7 | Remote I/O port | | 15 | INT | Interrupt output | | 16 | VDD | Supply voltage |

Functional Features

• I2C-bus interface compatibility allows easy integration into existing systems.
• The 8-bit remote I/O port provides additional input/output capabilities.
• Schmitt trigger action on all inputs ensures reliable signal detection.
• Open-drain interrupt output allows for efficient interrupt handling.
• Noise filter on SDA/SCL inputs helps reduce signal interference.
• Latched outputs with high-current drive capability enable control of external devices.
• ESD protection exceeds JESD 22 standards, ensuring robustness against electrostatic discharges.

Advantages and Disadvantages

Advantages

• Easy integration into existing systems due to I2C-bus interface compatibility.
• Provides additional I/O ports and interrupt capabilities.
• Reliable signal detection with Schmitt trigger action.
• Efficient interrupt handling with open-drain interrupt output.
• Robustness against electrostatic discharges with ESD protection.

Disadvantages

• Limited to 8-bit remote I/O port, may not be suitable for applications requiring a higher number of I/Os.
• Requires an I2C-bus interface, which may add complexity to the system design.

Working Principles

PCA9554PW/Q900,118 operates by communicating through the I2C-bus interface. It receives commands and data from the master device and controls the remote I/O ports accordingly. The interrupt output is triggered based on specific conditions set by the user. The device's internal circuitry ensures reliable signal detection, noise filtering, and high-current drive capability.

Detailed Application Field Plans

PCA9554PW/Q900,118 finds applications in various fields, including but not limited to: - Consumer electronics - Industrial automation - Automotive systems - Medical devices - Internet of Things (IoT) devices

In consumer electronics, it can be used for expanding the I/O capabilities of smart home devices or audio/video equipment. In industrial automation, it can enable control and monitoring of sensors and actuators. In automotive systems, it can be utilized for controlling lighting systems or detecting button presses. In medical devices, it can provide additional I/O ports for interfacing with sensors or displays. In IoT devices, it can facilitate communication between different components.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to PCA9554PW/Q900,118 are: - MCP23008 - PCF8574 - MAX7313 - TCA9539

These models provide comparable I/O expansion capabilities and are compatible with the I2C-bus interface. However, each model may have slight differences in features, specifications,