Microchip Technology

MCP23S08-E/P  

I/O Expanders

MCP23S08-E/P Description

The MCP23S08-E/P is an 8-bit I/O expander with an SPI interface, designed to extend the number of available I/O lines in microcontroller-based applications. Manufactured by Microchip Technology, this device operates within a supply voltage range of 1.8V to 5.5V and supports a clock frequency of up to 10 MHz. The MCP23S08-E/P is housed in a through-hole package and is available in a tube format, making it suitable for a variety of industrial and embedded systems.

MCP23S08-E/P Features

• Interface: The MCP23S08-E/P features an SPI interface, allowing for efficient communication with microcontrollers and other digital systems.
• I/O Capability: It provides 8 programmable I/O lines, each capable of sourcing or sinking up to 25mA of current, making it ideal for driving LEDs, relays, and other low-power devices.
• Interrupt Output: The device includes an interrupt output feature, enabling efficient handling of asynchronous events and reducing the load on the main processor.
• Power-On Reset (POR): The built-in POR ensures reliable operation and initialization of the device upon power-up.
• Wide Voltage Range: Operating within a supply voltage range of 1.8V to 5.5V, the MCP23S08-E/P is compatible with a variety of power supply configurations.
• Compliance and Safety: The MCP23S08-E/P is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL rating of 1 (unlimited), the device is suitable for storage and handling in various environmental conditions.

MCP23S08-E/P Applications

The MCP23S08-E/P is well-suited for applications requiring additional I/O lines without increasing the complexity of the main microcontroller. Some specific use cases include:

• Embedded Systems: Expanding the I/O capabilities of microcontrollers in embedded systems, such as industrial control panels, smart meters, and IoT devices.
• LED Control: Driving multiple LEDs for status indication or backlighting in consumer electronics and automotive applications.
• Relay Control: Controlling relays for switching power circuits in home automation and industrial control systems.
• Sensor Interfaces: Managing multiple sensor inputs in environmental monitoring and medical devices.

Conclusion of MCP23S08-E/P

The MCP23S08-E/P stands out as a reliable and versatile I/O expander, offering a robust solution for expanding the capabilities of microcontroller-based systems. Its wide voltage range, high current I/O lines, and interrupt output feature make it a valuable component in a variety of applications. The device's compliance with environmental and safety standards ensures it meets the requirements of modern electronics design. Whether used in industrial control systems, consumer electronics, or IoT devices, the MCP23S08-E/P provides a cost-effective and efficient way to enhance system functionality.

MCP23S08-E/P Documents

Download datasheets and manufacturer documentation for MCP23S08-E/P

DTS :

View in Development Tools Selector      

PCN :

Product Change Notification (PDF)      

Models :

MCP23S08-E/P Symbol & Footprint by SnapMagic