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MCP23S09

Microchip Technology
Part Number MCP23S09
Manufacturer Microchip Technology
Description 8-Bit I/O Expander
Published Feb 25, 2011
Detailed Description MCP23009/MCP23S09 8-Bit I/O Expander with Open-Drain Outputs Features: • 8-Bit Remote Bidirectional I/O Port: - I/O Pi...
Datasheet PDF File MCP23S09 PDF File

MCP23S09
MCP23S09

Overview
MCP23009/MCP23S09 8-Bit I/O Expander with Open-Drain Outputs Features: • 8-Bit Remote Bidirectional I/O Port: - I/O Pins Default to Input • Open-Drain Outputs: - 5.
5V Tolerant - 25 mA Sink Capable (per Pin) - 200 mA Total • High-Speed I2C™ Interface (MCP23009): - 100 kHz - 400 kHz - 3.
4 MHz • High-Speed SPI Interface (MCP23S09): - 10 MHz • Single Hardware Address Pin (MCP23009): - Voltage input to allow up to eight devices on the bus • Configurable Interrupt Output Pins: - Configurable as active-high, active-low or open-drain Block Diagram CS SCK SI SO MCP23S09 SPI • Configurable Interrupt Source: - Interrupt-on-Change from configured defaults or pin change • Polarity inversion register...


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