MCP23009T-E/P 查看數據表（PDF） - Microchip Technology

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MCP23009T-E/P

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

Microchip Technology 

MCP23009/MCP23S09

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

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

Block Diagram

CS

SCK

SI

SO

MCP23S09

SPI

• 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

• Available Packages:

- 16-Lead QFN (3x3x0.9 mm)

- 18-Lead PDIP (300 mil)

- 18-Lead SOIC (7.50 mm)

- 20-Lead SSOP (5.30 mm)

SCL

SDA

RESET

INT

ADDR

MCP23009

I2C™

Serializer/

Deserializer

Multi-Bit

Decode

8

Control

8

Configuration/

Control

Registers

GPIO

GP0

GP1

GP2

GP3

GP4

GP5

GP6

GP7

 2009-2014 Microchip Technology Inc.

DS20002121C-page 1

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