MCP23017T-E/ML - Microchip Technology

Manufacturer Part Number

MCP23017T-E/ML

Manufacturer

Microchip Technology

Introduction

16-bit I/O Expander with Serial Interface

Product Features and Performance

16 programmable I/O pins

Serial I2C interface

Interrupt output capability

Power-on Reset (POR)

Push-pull outputs

Up to 25mA source/sink current per I/O

7 MHz clock frequency

Wide operating voltage range from 1.8V to 5.5V

High operating temperature range from -40°C to 125°C

Product Advantages

Enables GPIO expansion for microcontrollers

Reduces microcontroller pin count requirements

Supports multiple devices on the same bus

Integrated POR feature minimizes the need for external reset circuitry

High source/sink current suitable for driving LEDs

Key Technical Parameters

Number of I/O: 16

Interface: I2C

Interrupt Output: Yes

Output Type: Push-Pull

Current - Output Source/Sink: 25mA

Clock Frequency: 1.7 MHz

Voltage - Supply: 1.8V ~ 5.5V

Operating Temperature: -40°C ~ 125°C

Quality and Safety Features

Advanced protective features

Extended temperature range for harsh environments

Compatibility

Compatible with various microcontrollers supporting I2C

Fits with 28-VQFN Exposed Pad footprint

Lead (Pb) free device

Application Areas

Embedded Systems

Industrial Automation

Consumer Electronics

Automotive

Product Lifecycle

Active product phase

Not near discontinuation

Availability of replacements or upgrades

Key Reasons to Choose This Product

Expands I/O capabilities without needing larger MCUs

Eases PCB design with reduced wiring complexity

Supports multiple devices through I2C addressing

Facilitates design scalability with stackable ICs

Robust performance in a wide range of temperatures and supply voltages