PCA9654EDR2G - onsemi

Manufacturer Part Number

PCA9654EDR2G

Manufacturer

onsemi

Introduction

An I/O expander from onsemi designed for interface applications.

Product Features and Performance

8 programmable I/O pins

I2C bus interface

Interrupt output with Power-on Reset (POR) functionality

Supports clock frequencies up to 100 kHz

Wide supply voltage range from 1.65V to 5.5V

High operating temperature range of -55°C to 125°C

Surface mount SOIC-16 package for PCB assembly

Product Advantages

Extends the available I/Os of MCU or CPU

Small form factor for space-constrained applications

Flexible power supply compatibility for varying designs

Operational across a wide temperature range for industrial environments

Key Technical Parameters

Number of I/O: 8

Interface: I2C

Interrupt Output: Yes

Clock Frequency: 100 kHz

Voltage Supply: 1.65V to 5.5V

Operating Temperature: -55°C to 125°C

Mounting Type: Surface Mount

Package / Case: 16-SOIC

Quality and Safety Features

Built for reliable operation over an extended temperature range

Compatibility

Compatible with any microcontroller with I2C support

Application Areas

Embedded systems

Industrial control

Consumer electronics

Automotive applications

Product Lifecycle

Obsolete status suggests nearing discontinuation

Alternatives or upgrades should be sought for future designs

Several Key Reasons to Choose This Product

A direct method to expand the available I/O without redesigning the CPU/MCU

Reduces design complexity by integrating with I2C, a common communication protocol

Suitable for rugged industrial applications due to its wide temperature range

Onsemi’s commitment to quality ensures long-term reliability