Microchip Technology

MCP23S17T-E/SS  

I/O Expanders

MCP23S17T-E/SS Description

The MCP23S17T-E/SS is a high-performance I/O expander designed and manufactured by Microchip Technology. This 16-bit device is part of the MCP23S17 series, offering a versatile solution for expanding the I/O capabilities of microcontrollers in various applications. With a clock frequency of 10 MHz, the MCP23S17T-E/SS ensures efficient data transfer and processing, making it suitable for demanding applications.

MCP23S17T-E/SS Features

• 16-bit I/O Expander: The MCP23S17T-E/SS provides 16 I/O lines, allowing for a significant expansion of input/output capabilities in microcontroller-based systems.
• SPI Interface: Utilizing a Serial Peripheral Interface (SPI), the MCP23S17T-E/SS enables high-speed communication with the host microcontroller.
• 1.8V to 5.5V Supply Voltage: This wide voltage range ensures compatibility with various power supply systems and simplifies the design process.
• 25mA Output Current: The MCP23S17T-E/SS can source or sink up to 25mA per I/O pin, making it suitable for driving LEDs or other low-power devices.
• Interrupt Output: The device features an interrupt output pin, allowing the microcontroller to be notified of specific events or changes in the I/O lines.
• RoHS3 Compliance: The MCP23S17T-E/SS is compliant with the Restriction of Hazardous Substances (RoHS) Directive, making it an environmentally friendly choice.
• MSL 1 (Unlimited): The device has a moisture sensitivity level of 1, indicating that it can be stored and handled without special precautions.

MCP23S17T-E/SS Applications

The MCP23S17T-E/SS is ideal for a wide range of applications where I/O expansion is required. Some specific use cases include:

1. Industrial Automation: The MCP23S17T-E/SS can be used to interface with various sensors and actuators in industrial control systems, providing a flexible and scalable solution.
2. Home Automation: In smart home applications, the device can be used to control lighting, HVAC systems, and security systems, offering a centralized control interface.
3. Automotive Applications: The MCP23S17T-E/SS can be used to manage various electronic control units (ECUs) in vehicles, providing a reliable and efficient way to expand I/O capabilities.
4. Medical Devices: In medical equipment, the device can be used to interface with various sensors and actuators, ensuring accurate and reliable control of the system.

Conclusion of MCP23S17T-E/SS

The MCP23S17T-E/SS is a versatile and high-performance I/O expander that offers a wide range of features and benefits. Its 16-bit capacity, SPI interface, and wide voltage range make it suitable for a variety of applications, from industrial automation to home automation. With its RoHS3 compliance and MSL 1 rating, the MCP23S17T-E/SS is not only a powerful solution but also an environmentally friendly choice. Its unique features and advantages make it a top choice for designers looking to expand the I/O capabilities of their microcontroller-based systems.

MCP23S17T-E/SS Documents

Download datasheets and manufacturer documentation for MCP23S17T-E/SS

Errata :

MCP23S17 Rev A Errata      

PCN Assembly/Origin :

Mult Devices 17/Nov/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 :

MCP23S17 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