PCA9535ECDWR2G - onsemi

Manufacturer Part Number

PCA9535ECDWR2G

Manufacturer

onsemi

Introduction

The PCA9535ECDWR2G is an interface integrated circuit designed for I/O expansion via the I2C or SMBus interface, offering an additional 16 I/O ports for embedded systems.

Product Features and Performance

16 additional I/O ports

I2C and SMBus interface compatibility

Interrupt output for enhanced system response

Power-on reset (POR) feature

Open-drain output type

Supports up to 25mA output source/sink current

Operates at a clock frequency of 100 kHz

Product Advantages

Expansion of I/O without needing more microcontroller pins

High compatibility with standard interfaces

Minimal power-on reset circuitry required due to built-in POR

Flexible voltage range of 1.65V to 5.5V for various power environments

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Output Type: Open Drain

Current - Output Source/Sink: 25mA

Clock Frequency: 100 kHz

Voltage - Supply: 1.65V ~ 5.5V

Operating Temperature: -55°C ~ 125°C

Quality and Safety Features

Wide operating temperature range suitable for industrial applications

Compatibility

Standard I2C and SMBus interface for easy integration

Surface Mount 24-SOIC package compatible with standard PCB layouts

Application Areas

Embedded systems

Microcontroller-based systems

Industrial control

Robotics and automation

Product Lifecycle

Obsolete status-indicates discontinuation of the product

Potential availability of similar replacements or upgrades should be verified with the manufacturer

Several Key Reasons to Choose This Product

Enables extensive I/O expansion without major changes to existing hardware

Integrated interrupt feature to maintain efficient processor operations

Helps reduce design complexity by integrating 16 additional I/Os into one chip

Highly adaptable to various voltage conditions and robust in extreme temperatures

Designed with the reliable and established technology from onsemi