PCA9655EDTR2G - onsemi

Manufacturer Part Number

PCA9655EDTR2G

Manufacturer

onsemi

Introduction

The PCA9655EDTR2G is an I/O expander from onsemi, designed to provide additional I/O capabilities via the I2C or SMBus interface.

Product Features and Performance

16 I/O ports extend the capabilities of the host processor.

I2C and SMBus interface compatibility allows for easy integration into existing systems.

Interrupt output feature enables efficient communication with the host processor.

Features Power-on Reset (POR) to ensure reliable operation upon startup.

Push-pull output type for stronger drive capability.

Up to 42mA current output source/sink for driving LEDs or other peripherals.

Supports clock frequencies up to 100 kHz for I2C communication.

Wide voltage supply range (1.65V to 5.5V) accommodates various power supply levels.

Operates across a broad temperature range from -55°C to 125°C.

Product Advantages

Expands system I/O capability without needing a more complex microcontroller.

Simplifies system design by using I2C or SMBus for communication, reducing wiring complexity.

Offers robust operation with POR and wide operating temperature capabilities.

Flexible power supply requirements suit a wide range of applications.

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

Quality and Safety Features

Features Power-on Reset (POR) for increased system reliability.

Wide operating temperature range ensures performance in extreme conditions.

Compatibility

Compatible with any microcontroller or processor equipped with an I2C or SMBus interface.

Application Areas

Industrial control systems

Home automation

Server management

Robotics

Automotive systems

Product Lifecycle

Obsolete status indicates it is nearing discontinuation.

Availability of replacements or upgrades should be checked with onsemi.

Several Key Reasons to Choose This Product

Provides a straightforward solution for expanding I/O capabilities in a system.

Easy integration with existing I2C or SMBus interfaces reduces development time.

High reliability and robust operation from features like POR and a wide operating temperature range.

Versatility across a range of voltages for varied application requirements.

Suitable for applications in demanding environments due to its quality and safety features.