PCA9655EDWR2G - onsemi

Manufacturer Part Number

PCA9655EDWR2G

Manufacturer

onsemi

Introduction

The PCA9655EDWR2G is an interface I/O expander from onsemi designed to expand bidirectional I/O lines via I2C or SMBus communication protocols.

Product Features and Performance

16 I/O ports expandable

I2C and SMBus compatible interface

Interrupt output function

Power-on reset (POR) feature

Push-Pull output type

Supports up to 42mA current per I/O

100 kHz clock frequency operations

Wide voltage range support from 1.65V to 5.5V

Capable of operating in extreme temperatures from -55°C to 125°C

Product Advantages

Enables design flexibility with more I/Os

Simplifies design with built-in interrupt function

Assures proper power-up through POR

Ease of integration into various systems with Push-Pull outputs

Suitable for robust performance under harsh conditions

Key Technical Parameters

Number of I/O: 16

Interface: I2C, SMBus

Interrupt Output: Yes

Current - Output Source/Sink: 42mA

Clock Frequency: 100 kHz

Voltage - Supply: 1.65V ~ 5.5V

Operating Temperature: -55°C ~ 125°C

Mounting Type: Surface Mount

Package / Case: 24-SOIC

Quality and Safety Features

Extended operating temperature range ensures reliability in extreme conditions

Compatibility

Compatible with I2C and SMBus communication protocols

Suitable for various applications requiring additional I/O lines

Application Areas

Industrial controls

Automotive systems

Embedded systems

Robotics

Peripheral expansions

Product Lifecycle

Obsolete status, indicating end of production

Alternative replacements or upgrades may be available

Several Key Reasons to Choose This Product

High integration I/O expander for space-constrained applications

Wide voltage and temperature operational range for increased design versatility

Robustness ideal for industrial and automotive environments

I2C/SMBus compatibility allows simple integration with numerous microcontrollers and processors

Increased output drive strength supporting higher current applications