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MCP23S17 - 16-Bit I/O Expander

Microchip Technology

Download the MCP23S17 datasheet PDF. This datasheet also includes the MCP23017 variant, as both parts are published together in a single manufacturer document.

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MCP23S17 16-bit i/o expander by Microchip Technology - Datasheet Preview — Note: The manufacturer provides a single datasheet file (MCP23017_MicrochipTechnology.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number	MCP23S17
Manufacturer	Microchip Technology
File Size	770.06 KB
Description	16-Bit I/O Expander
Datasheet	MCP23S17 Datasheet

Overview

MCP23017/MCP23S17 16-Bit I/O Expander with Serial Interface.

Key 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 Package Types MCP2301.

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