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MCP23009

8-Bit I/O Expander

MCP23009 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 MH

MCP23009 General 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 .

MCP23009 Datasheet (803.56 KB)

Preview of MCP23009 PDF

Datasheet Details

Part number:

MCP23009

Manufacturer:

Microchip ↗ Technology

File Size:

803.56 KB

Description:

8-bit i/o expander.

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TAGS

MCP23009 8-Bit Expander Microchip Technology

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