Microchip Technology

MCP23017-E/SS  

I/O Expanders

MCP23017-E/SS Description

The MCP23017-E/SS is a high-performance I/O expander designed and manufactured by Microchip Technology. This device is part of the I/O Expanders category and is known for its robust performance and versatility in various applications. The MCP23017-E/SS features 16 GPIO pins, providing ample flexibility for expanding digital I/O in microcontroller-based systems. With a clock frequency of 1.7 MHz, it offers fast data transfer capabilities, making it suitable for applications requiring high-speed communication.

MCP23017-E/SS Features

• 16-bit I/O Expander: The MCP23017-E/SS provides 16 GPIO pins, allowing for significant expansion of digital I/O capabilities in microcontroller-based systems.
• I2C Interface: This device uses the I2C interface for communication, which is a widely used two-wire serial bus that simplifies connections and reduces the number of required pins.
• 1.8V to 5.5V Supply Voltage: The MCP23017-E/SS operates over a wide voltage range, making it suitable for a variety of power supply conditions.
• 25mA Source/Sink Current: Each GPIO pin can source or sink up to 25mA, which is adequate for driving LEDs or other low-power devices directly.
• Programmable Pull-Ups: The device includes programmable pull-up resistors, which can be enabled or disabled for each pin, providing flexibility in circuit design.
• Interrupt Output: The MCP23017-E/SS features an interrupt output pin, allowing the microcontroller to be notified of changes in the I/O state, reducing the need for continuous polling.
• POR Feature: The device includes a Power-On Reset (POR) feature, which ensures stable operation when power is applied.
• Mounting Type: Surface Mount, which is ideal for PCB designs where space is at a premium.
• REACH Unaffected and RoHS Compliant: The MCP23017-E/SS is compliant with REACH regulations and RoHS directives, ensuring environmental and health safety standards are met.

MCP23017-E/SS Applications

The MCP23017-E/SS is ideal for a variety of applications where digital I/O expansion is necessary:

• Industrial Control Systems: For expanding the number of digital inputs and outputs in industrial automation and control systems.
• Home Automation: To control and monitor various devices in a smart home setup, such as lights, switches, and sensors.
• Robotics: For managing the numerous sensors and actuators in robotic systems, enhancing the robot's capabilities.
• Embedded Systems: In any embedded system where additional digital I/O is required, the MCP23017-E/SS can be used to interface with various peripherals.

Conclusion of MCP23017-E/SS

The MCP23017-E/SS is a versatile and high-performing I/O expander that offers a range of features that make it suitable for a wide array of applications. Its 16 GPIO pins, I2C interface, and programmable pull-ups provide flexibility and ease of use. The device's ability to operate over a wide voltage range and its compliance with environmental standards make it a reliable choice for designers looking to expand the capabilities of their microcontroller-based systems.

MCP23017-E/SS Documents

Download datasheets and manufacturer documentation for MCP23017-E/SS

PCN Assembly/Origin :

Mult Devices 06/Jul/2017      

PCN Packaging :

Packing Changes 10/Oct/2016       Label and Packing Changes 23/Sep/2015      

Manuals :

Development Tools Catalog      

UNKNOWN TYPE :

MCP23017, MCP23S17 Datasheet      

Reference Design Library :

GPIODM-KPLCD: 8/16-Bit GPIO Exp, 4x4 Keypad, LCD      

Design Resources :

MCP23017 Development Tool Selector      

PCN Design/Specification :

MCP23017/MCP23S17 07/Jul/2016       MCP23017/MCP23S17 01/Jul/2022      

Environmental Information :

Microchip CA Prop65       Microchip RoHS       Microchip REACH