MCP23017-E/SO - Microchip Technology

Manufacturer Part Number

MCP23017-E/SO

Manufacturer

Microchip Technology

Introduction

The MCP23017-E/SO is a 16-bit I/O expander with serial interface for I2C compatible applications requiring additional I/Os.

Product Features and Performance

16-bit input/output port expander with interrupt output

Cascadeable for multiple device operation

I2C Serial Interface

Internal Power-on Reset (POR)

Three hardware address pins to allow up to eight devices on the bus

Configurable interrupt output pins – default to open-drain

High-speed I2C interface (100 kHz, 400 kHz, 1.7 MHz)

Product Advantages

Increases I/O capabilities using only two pins for control

Supports multiple devices on the same bus

Wide operating voltage range compatible with most microcontrollers

Integrated POR helps ensure a reliable start-up

Strong output current capabilities for driving LEDs or other loads

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

Mounting Type: Surface Mount

Quality and Safety Features

ESD protection

High temperature operation - industrial grade

Robust latch-up performance

Compatibility

Compatible with any I2C-master device

Flexible for use across various voltages and logic levels

Application Areas

Embedded systems

Microcontroller expansion

Sensor networks

Industrial automation

Servers

Product Lifecycle

Product Status: Active

The product is currently in the active phase and not near discontinuation. Replacements and upgrades are usually available.

Several Key Reasons to Choose This Product

Significantly extends system capabilities with additional 16 I/Os

Supports a wide array of host devices due to I2C interface

High integration reduces system complexity and cost

Versatile applications range, from consumer electronics to industrial control systems

Easy to use and configure with minimal external components required

Broad supply voltage range allows for flexibility in power designs

High-temperature operation suitable for demanding environments