MCP23009T-E/SS - Microchip Technology

Manufacturer Part Number

MCP23009T-E/SS

Manufacturer

Microchip Technology

Introduction

The MCP23009T-E/SS is a versatile 8-bit I/O expander with I2C interface from Microchip Technology, ideal for extending the I/O capabilities of microcontrollers.

Product Features and Performance

8-bit remote I/O expander for I2C bus

Interrupt Output feature for enhanced performance

Open Drain Output Type allows connection to higher voltage levels than the host controller

Maximum Clock Frequency: 3.4 MHz, enables fast I2C communication

Wide range of supply voltages from 1.8V to 5.5V for flexible power options

Operating Temperature from -40°C to 125°C, suitable for extreme environments

Product Advantages

Simplifies addition of extra I/O ports which can be crucial in complex control systems

Enhances system reliability through Power-on Reset (POR) feature

Balance between performance and power consumption making it ideal for battery-powered applications

Key Technical Parameters

Number of I/O: 8

Interface: I2C

Interrupt Output: Yes

Current Output Source/Sink: 25mA

Clock Frequency: 3.4 MHz

Voltage Supply: 1.8V ~ 5.5V

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

High reliability design ensuring continuous operation across a wide range of temperatures

Compatibility

Compatible with any microcontroller with I2C bus interface

Application Areas

Industrial automation

Home automation systems

Remote monitoring systems

Consumer electronics

Product Lifecycle

Current Status: Active

Not nearing discontinuation, and replacements or upgrades are likely available due to ongoing demand and technological relevance

Several Key Reasons to Choose This Product

Flexible interfacing with I2C compatible with a broad range of microcontrollers

High-efficiency operation made suitable for both low and high-frequency applications

Excellent choice for expanding system capabilities without large investments in new hardware

Ensures continued operational integrity through its POR feature

Diverse application potential from consumer electronics to more demanding industrial environments dwells on its robust design features