MCP23018-E/SP - Microchip Technology

Manufacturer Part Number

MCP23018-E/SP

Manufacturer

Microchip Technology

Introduction

The MCP23018-E/SP is an integrated circuit designed for expanding I/O capabilities via the I2C interface.

Product Features and Performance

16-bit remote bidirectional I/O port

I2C serial interface

Interruption output for input change detection

Programmable Open-Drain outputs

Power-on Reset (POR)

Seamlessly integrates with most microcontrollers

Supports up to 3.4MHz I2C communication speeds

Product Advantages

High I/O expansion with minimal pin usage due to I2C interface

Flexible I/O configuration for versatile applications

Supports hot insertion

Strong source and sink current capabilities for driving LEDs or relays

Key Technical Parameters

Number of I/O: 16

Interface: I2C

Interrupt Output: Yes

Current - Output Source/Sink: 25mA

Clock Frequency: 3.4 MHz

Voltage - Supply: 1.8V to 5.5V

Operating Temperature range: -40°C to 125°C

Quality and Safety Features

Extended temperature range ensures reliability in extreme conditions

Built-in Power-on Reset enhances system stability

Robust through-hole mounting for secure solder connections

Compatibility

Compatible with various microcontrollers that support I2C

A 28-DIP package easily fits into standard PCB layouts

Application Areas

Industrial automation and control systems

Robotics

Sensor interfaces

Home automation

Gaming devices

Product Lifecycle

Product Status: Active

The product is not nearing discontinuation

Replacements and upgrades are available

Several Key Reasons to Choose This Product

Increases I/O options without using additional microcontroller pins

Industrial-rated temperature range makes it versatile across different environments

Strong source/sink current capabilities ideal for direct peripheral interfacing

Ease of integration with existing I2C setups

Reliable performance from an established semiconductor manufacturer

Microchip's proven track record of long-term product support and availability