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Microchip Technology MCP23S09EP 8-bit SPI I/O Expander
The MCP23S09 is an 8-bit I/O expander with open-drain outputs, supporting SPI interface for high-speed communication. It features configurable interrupt sources, internal pull-up resistors, and voltage tolerance up to 5.5V. Designed for versatile applications, it enables expansion of digital I/O lines with easy configuration, making it ideal for embedded systems requiring multiple GPIOs, input polarity inversion, and interrupt handling. Its compact package options include QFN, PDIP, SOIC, and SSOP, ensuring compatibility with various PCB layouts. Suitable for automation, control, and interface projects needing reliable, low power operation with robust I/O capabilities.
Microchip Technology MCP23S09EP 8-bit SPI I/O Expander Specifications:
- Package Options: QFN 16-lead, PDIP 18-lead, SOIC 18-lead, SSOP 20-lead
- Operating Voltage: 1.8V to 5.5V
- Voltage Tolerance: up to 5.5V
- I/O Pins: 8 bidirectional open-drain outputs with internal pull-ups
- SPI Interface Frequency: up to 16 MHz
- Interrupts: Configurable as active-high, active-low, or open-drain
- Power Consumption: 1 mA typical at VDD=5V, standby current 6 µA at Ta=+85°C
- Temperatures: -40°C to +125°C operating range
- Package Dimensions: 3x3x0.9 mm for QFN, other packages vary
Buy the Microchip Series MCP23S09 SPI GPIO Expander: MCP23S09
Enhance your electronic projects with the Microchip MCP23S09 8-bit SPI I/O expander. It offers high-speed communication, configurable interrupts, and open-drain outputs. Ideal for automation and embedded control systems, this device ensures reliable operation with support for voltages up to 5.5V. Compact and versatile, it fits various PCB layouts with options including QFN, PDIP, SOIC, and SSOP packages. Easy to configure and integrate, the MCP23S09 provides seamless expansion for digital I/O interfaces, improving system flexibility and performance.
Get Microchip MCP23S09 today—built for high-speed SPI communication and robust digital I/O expansion.
Frequently Asked Questions
Where can I buy Microchip Technology MCP23S09EP?
You can click on the BUY or RFQ button to purchase MCP23S09EP from an authorized Microchip Technology distributor.
How do I troubleshoot issues or seek technical support for part MCP23S09EP?
You can download the MCP23S09EP datasheet or visit the Microchip Technology website for support.
Who is the manufacturer of MCP23S09EP?
Microchip Technology