Microchip Technology

MCP23S09-E/MG  

I/O Expanders

MCP23S09-E/MG Description

The MCP23S09-E/MG is a high-performance I/O expander designed and manufactured by Microchip Technology. This 8-bit device features a 16-pin Quad Flat No-Lead (QFN) package and operates over a wide voltage range of 1.8V to 5.5V. With a clock frequency of 10 MHz, it offers fast data transfer capabilities and supports SPI interface for easy integration with microcontrollers and other digital systems.

MCP23S09-E/MG Features

• 8-bit I/O Expander: The MCP23S09-E/MG provides 8 general-purpose I/O pins, expandable to 16 with the use of two devices.
• SPI Interface: The device supports the SPI interface, making it easy to integrate with microcontrollers and other digital systems.
• 10 MHz Clock Frequency: The MCP23S09-E/MG operates at a clock frequency of 10 MHz, ensuring fast data transfer capabilities.
• 1.8V to 5.5V Supply Voltage: The device can operate over a wide voltage range, making it suitable for various applications.
• 25mA Source/Sink Current: The MCP23S09-E/MG can source or sink up to 25mA per I/O pin, providing sufficient drive capability for most applications.
• Open Drain Outputs: The device features open-drain outputs, allowing for easy interfacing with external pull-up resistors.
• Interrupt Output: The MCP23S09-E/MG includes an interrupt output pin, enabling efficient communication with the host microcontroller.
• RoHS Compliant: The device is compliant with the RoHS3 standard, ensuring environmental friendliness.

MCP23S09-E/MG Applications

The MCP23S09-E/MG is ideal for various applications where I/O expansion is required. Some specific use cases include:

1. Industrial Control Systems: The device can be used to expand the I/O capabilities of microcontrollers in industrial control systems, enabling the control of additional sensors and actuators.
2. Home Automation: The MCP23S09-E/MG can be used to interface with various home automation devices, such as smart switches, thermostats, and security systems.
3. Automotive Applications: The device can be used to expand the I/O capabilities of microcontrollers in automotive systems, such as infotainment systems, lighting control, and sensor interfaces.
4. Medical Equipment: The MCP23S09-E/MG can be used to interface with various medical equipment, such as patient monitoring systems, diagnostic devices, and therapeutic equipment.

Conclusion of MCP23S09-E/MG

The MCP23S09-E/MG is a versatile I/O expander that offers a wide range of features and benefits for various applications. Its 8-bit architecture, SPI interface, and 10 MHz clock frequency make it an ideal choice for systems requiring fast data transfer and I/O expansion. With its RoHS compliance and wide voltage range, the MCP23S09-E/MG is suitable for use in a variety of environments and applications.

MCP23S09-E/MG Documents

Download datasheets and manufacturer documentation for MCP23S09-E/MG

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