I/O Expander Circuit Board Chip MCP23S17-E/SO 16 Bit With High Speed SPI Interface

Circuit Board Chip MCP23S17-E/SO 16-Bit I/O Expander with High-Speed SPI Interface

Features

• 16-Bit Remote Bidirectional I/O Port:
- I/O pins default to input
• High-Speed I2C Interface (MCP23017):
- 100 kHz
- 400 kHz
- 1.7 MHz
• High-Speed SPI Interface (MCP23S17):
- 10 MHz (maximum)
• Three Hardware Address Pins to Allow Up to Eight Devices On the Bus
• Configurable Interrupt Output Pins:
- Configurable as active-high, active-low or open-drain
• INTA and INTB Can Be Configured to Operate Independently or Together​

• Configurable Interrupt Source:
- Interrupt-on-change from configured register defaults or pin changes
• Polarity Inversion Register to Configure the Polarity of the Input Port Data
• External Reset Input
• Low Standby Current: 1 µA (max.)
• Operating Voltage:
- 1.8V to 5.5V @ -40°C to +85°C
- 2.7V to 5.5V @ -40°C to +85°C
- 4.5V to 5.5V @ -40°C to +125°C

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