MCP23017-E/SP

Product Overview

The MCP23017-E/SP is a versatile 16-bit I/O expander integrated circuit from Microchip Technology, designed to provide additional general-purpose I/O ports for microcontroller-based systems through a simple I2C serial interface. This powerful peripheral expansion IC enables designers to add more I/O capability without consuming valuable microcontroller pins.

Key Features & Technical Specifications

• 16 Bidirectional I/O Ports: Expandable GPIO capability for complex embedded systems
• I2C Serial Interface: Easy integration with 1.7 MHz clock frequency for fast communication
• Interrupt Output Support: Efficient event-driven programming with interrupt capability
• Wide Voltage Range: Operates from 1.8V to 5.5V for flexible power supply options
• High Current Drive: 25mA source/sink capability per I/O pin
• Push-Pull Output: Clean signal transitions for reliable digital communication
• Power-On Reset (POR): Ensures predictable startup behavior
• Extended Temperature Range: Industrial-grade operation from -40°C to 125°C
• Through-Hole Package: Easy prototyping and assembly in 28-DIP format
• RoHS Compliant: Environmentally friendly and meets global standards

Applications & Use Cases

The MCP23017-E/SP is ideal for a wide range of applications including industrial automation systems, embedded control panels, LED matrix displays, keypad interfaces, sensor networks, home automation projects, robotics control systems, and any application requiring GPIO expansion. Its I2C interface makes it perfect for systems where pin count is limited but multiple I/O operations are needed.

Design Advantages

This I/O expander simplifies PCB design by reducing the number of microcontroller pins needed for peripheral control. The I2C interface allows multiple MCP23017 devices to be connected on the same bus, enabling scalable designs. With interrupt output capability, your system can respond efficiently to external events without constant polling, reducing CPU overhead and power consumption.

Why Choose HQICKEY?

At HQICKEY, we specialize in providing authentic electronic components from leading manufacturers like Microchip Technology. Browse our extensive selection of I/O expanders and interface ICs to find the perfect solution for your embedded system design needs.

Technical Resources & Support

Looking for datasheets, application notes, or design guidance? Visit our technical blog for comprehensive resources, design tips, and the latest industry insights to help you successfully integrate the MCP23017-E/SP into your projects.

Order your MCP23017-E/SP I/O expander today and expand your system's capabilities with reliable Microchip Technology quality!