MCP23009-E/SS - Microchip Technology

Manufacturer Part Number

MCP23009-E/SS

Manufacturer

Microchip Technology

Introduction

The MCP23009-E/SS is an I/O expander from Microchip Technology for I2C bus communication.

Product Features and Performance

8-bit I/O expander

I2C Interface compatibility

Interrupt Output feature for enhanced control

Power-on reset (POR)

Open Drain Output type for flexibility in voltage levels

Support for up to 25mA output source/sink current

Maximum Clock Frequency of 3.4 MHz for higher data rates

Operating Voltage range from 1.8V to 5.5V, suited for various applications

High operating temperature range from -40°C to 125°C to withstand extreme conditions

Surface Mounting design simplifies board layout

Product Advantages

Flexibility in application with variable voltage support

Integration with various microcontroller architectures via I2C

Higher temperature operation for industrial environments

Small physical footprint due to SSOP package

Key Technical Parameters

Number of I/O: 8

Clock Frequency: 3.4 MHz

Voltage Supply: 1.8V ~ 5.5V

Current - Output Source/Sink: 25mA

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Extended operational temperature range ensures reliability in harsh climates

Robust communication protocol (I2C) ensures less noise interference

Compatibility

I2C bus interface allows for easy integration with most microcontrollers

Application Areas

Industrial automation

Consumer Electronics

Automotive systems

Data acquisition systems

Product Lifecycle

Active status; not indicated as nearing discontinuation

Watch for manufacturer notifications for potential future replacements or upgrades

Several Key Reasons to Choose This Product

Provides 8 additional I/O ports for MCU systems

Seamless integration with a wide range of supply voltages for flexibility

Straightforward communication through a standard I2C interface

Robust design suitable for industrial applications with high-temperature resilience

High output current capability for driving LEDs or other output devices

The reliable surface mount package eases PCB design and mass production processes

Active product status implies ongoing manufacturer support and availability