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MCP23009-E/SO - 

I/O Expander, 8bit, 3.4 MHz, I2C, 1.8 V, 5.5 V, SOIC

MCP23009-E/SO - I/O Expander, 8bit, 3.4 MHz, I2C, 1.8 V, 5.5 V, SOIC

Image is for illustrative purposes only. Please refer to product description.

Manufacturer:
MICROCHIP MICROCHIP
Manufacturer Part No:
MCP23009-E/SO
Order Code:
1699841
Technical Datasheet:
(EN)
See all Technical Docs

Product Overview

The MCP23009-E/SO is an 8-bit I/O Expander with open-drain outputs. It consists of multiple 8-bit configuration registers for input, output and polarity selection. The system master can enables I/Os as either inputs or outputs by writing the I/O configuration bits. The data for each input or output is kept in the corresponding input or output register. The polarity of the input port register can be inverted with the polarity inversion register. All registers can be read by the system master. The Interrupt capture register captures port values at the time of the interrupt, thereby saving the condition that caused the interrupt. The Power-on reset (POR) sets the registers to their default values and initializes the device state machine. The hardware address pin is used to determine the device address.
  • Single hardware address pin
  • Configurable interrupt output pins
  • Configurable interrupt source
  • Polarity inversion register to configure the polarity of the input port data
  • External reset input

Applications

Industrial

Product Information

:
8bit
:
3.4MHz
:
I2C
:
1.8V
:
5.5V
:
SOIC
:
18Pins
:
8I/O's
:
Each
:
-
:
-
:
MSL 1 - Unlimited
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