MCP23S17-E/SS - Microchip Technology

Manufacturer Part Number

MCP23S17-E/SS

Manufacturer

Microchip Technology

Introduction

MCP23S17-E/SS is an SPI-interface I/O expander IC, enabling users to add more I/O ports to their microcontroller-based systems.

Product Features and Performance

16-bit remote bidirectional I/O port

SPI interface with speeds up to 10 MHz

Programmable interrupt output pins

Power-on reset (POR)

Sequence operation functionality

High drive current for outputs (25mA)

Product Advantages

Increases available I/O on a microcontroller

Flexible I/O expansion for a wide voltage range of 1.8V to 5.5V

Ideal for industrial-grade applications due to its extreme temperature resilience from -40°C to 125°C

Save microcontroller pins by controlling multiple I/Os through SPI

Simplifies design and reduces component count

Key Technical Parameters

16 I/O ports

SPI interface

Interrupt Output capability

25mA source/sink current per I/O

10 MHz clock frequency

8V to 5.5V supply voltage

-40°C to 125°C operating temperature

Quality and Safety Features

Extended temperature range for reliability in extreme environments

High ESD protection

Robust design qualified for industrial applications

Compatibility

SPI-compatible interface for easy integration with most microcontrollers

Application Areas

Automation systems

Industrial control panels

Robotics

Instrumentation

PLC modules

Product Lifecycle

Product is currently active

Not nearing discontinuation

Replacements and upgrades available as newer versions within Microchip I/O expander range

Several Key Reasons to Choose This Product

Versatile I/O expander with broad voltage compatibility

Robust performance with high output drive capacity

Supports a wide range of operating temperatures for demanding applications

Provides additional I/O options without complex hardware changes

Streamlined communication via SPI, conserving microcontroller resources

Integration with other Microchip products for system synergy