MCP23009 - 8-Bit I/O Expander

Microchip Technology

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Datasheet Details

Part number	MCP23009
Manufacturer	Microchip Technology
File Size	803.56 KB
Description	8-Bit I/O Expander
Datasheet	MCP23009_MicrochipTechnology.pdf

MCP23009 Product details

Description

TABLE 1-1: I2C™ PINOUT DESCRIPTION (MCP23009) Pin Name Pin Number 16-lead 18-lead 20-lead QFN PDIP/SOIC SSOP Pin Type Standard Function VDD 3 1 1 P Power NC 2 2, 16-17 2, 10-11, Not connected 18-19 SCL 4 3 3 I Serial clock input SDA 5 4 4 I/O Serial data I/O ADDR 6 5 5 I Hardware address pin allows up to eight slave devices on the bus RESET INT GP0 7 8 9 GP1 10 GP2 11 GP3 12 GP4 13 GP5 14 GP6 15 GP7 16 VSS 1 EP 17 6 7 8 9 10 11 12 13 14 15 18

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 o.

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Published: Feb 25, 2011 |