MCP23S09ESS datasheet(1/50 Pages) MICROCHIP

Part #	MCP23S09ESS

Description	8-Bit I/O Expander with Open-Drain Outputs

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Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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DS22121B-page 1

MCP23009/MCP23S09

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

• Configurable interrupt source:

- Interrupt-on-change from configured defaults

or pin change

• Polarity inversion register to configure the polarity

of the input port data

• External reset input

• Low standby current:

- 1 µA (-40°C

≤ TA ≤ +85°C)

- 6 µA (+85°C

≤ TA ≤ +125°C)

• Operating voltage:

- 1.8V to 5.5V

Packages

16-pin QFN (3x3 [mm])

18-pin PDIP (300 mil)

18-pin SOIC (300 mil)

20-pin SSOP

Block Diagram

GP0

GP1

GP2

GP3

GP4

GP5

GP6

GP7

I2C

Control

GPIO

SCL

SDA

RESET

INT

8

Configuration/

8

Control

Registers

SPI

SI

SO

SCK

CS

MCP23S09

ADDR

Serializer/

Deserializer

Multi-bit

Decode

MCP23009

8-Bit I/O Expander with Open-Drain Outputs

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MCP23S09ESS Datasheet(PDF) 1 Page - Microchip Technology

MCP23S09ESS Datasheet(HTML) 1 Page - Microchip Technology

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