MCP23018T-E/MJ - Microchip Technology

Manufacturer Part Number

MCP23018T-E/MJ

Manufacturer

Microchip Technology

Introduction

The MCP23018 is a 16-bit I/O expander with serial interface for I2C bus applications.

Product Features and Performance

16-bit I/O port expander with interrupt output

I2C serial interface

Programmable interrupt output configuration

Open-drain output type

Power-on reset (POR)

Sequential operation mode

Hardware address pins

Product Advantages

Expand I/O capacity without increasing microcontroller pin count

Support for high-speed I2C interface up to 3.4 MHz

Broad voltage range compatibility, from 1.8V to 5.5V

High-temperature operation capability, up to 125°C

Integrated electrostatic discharge (ESD) protection

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: -40°C to 125°C

Quality and Safety Features

High-temperature operation

ESD-protected interface pins

Quality ensured by Microchip's reputation in industry

Compatibility

Compatible with any microcontroller with I2C support

Can be used with a wide range of supply voltages

Suitable for surface mount technology (SMT) assembly

Application Areas

Industrial automation

Consumer electronics

Automotive systems

Data acquisition systems

Gaming and entertainment systems

Product Lifecycle

Status: Active

Not approaching discontinuation

Replacements or upgrades may be available in MCP23S/17/18 product family

Several Key Reasons to Choose This Product

Expands microcontroller I/O capabilities efficiently

Supports high-speed I2C protocols for fast communication

Robust performance over a wide temperature range

Ease of integration in various applications due to compact 24-QFN package

Reliable product from an industry-leading semiconductor manufacturer