MCP23S17T-E/SO - Microchip Technology

Manufacturer Part Number

MCP23S17T-E/SO

Manufacturer

Microchip Technology

Introduction

An I/O expander that uses the SPI protocol to interface with a host controller.

Product Features and Performance

16-bit I/O port expander

SPI interface with speeds up to 10 MHz

Programmable pull-up resistors on I/O ports

Input polarity inversion

Internal Power-On Reset (POR)

High-speed SPI interface

25mA sink/source capability per I/O

Configurable interrupt output pins

Byte and Sequential mode SPI commands

Product Advantages

Allows for easy I/O ports expansion

Compatible with a wide range of supply voltages

Supports high-speed SPI for fast data transfer

Integrated features reduce external component count

Able to drive LEDs and other output devices directly

Key Technical Parameters

Number of I/O: 16

Interface: SPI

Interrupt Output: Yes

Output Type: Push-Pull

Current - Output Source/Sink: 25mA

Clock Frequency: 10 MHz

Voltage - Supply: 1.8V to 5.5V

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

Mounting Type: Surface Mount

Package / Case: 28-SOIC

Quality and Safety Features

High-temperature operation up to 125°C

Industry-standard SOIC package for reliable surface mount

Integrated ESD protection

Compatibility

SPI interface for easy integration with most microcontrollers

Compatible with 1.8V to 5.5V logic levels

Application Areas

Industrial automation

Home automation

Consumer electronics

Embedded systems

Automotive applications

Robotics

Data acquisition systems

Product Lifecycle

Product Status: Active

Not currently nearing discontinuation

Replacements or upgrades may vary according to the manufacturer's product roadmap

Several Key Reasons to Choose This Product

Provides a simple solution for expanding GPIOs over SPI

Suitable for robust industrial environments with extended temperature range

Ease of integration due to SPI compatibility

Cutting down the need for additional external components with internal features

Maintains solid performance with 25mA output drive capability per I/O

Support from an established manufacturer, ensuring long-term availability and support