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CAT9555 Datasheet - Catalyst Semiconductor

CAT9555_CatalystSemiconductor.pdf

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Datasheet Details

Part number:

CAT9555

Manufacturer:

Catalyst Semiconductor

File Size:

606.17 KB

Description:

16-bit i2c and smbus i/o port.

CAT9555, 16-Bit I2C and SMBus I/O Port

The CAT9555 is a CMOS device that provides 16-bit parallel input/output port expansion for I2C and SMBus compatible applications.

These I/O expanders provide a simple solution in applications where additional I/Os are needed: sensors, power switches, LEDs, pushbuttons, and fans.

The CAT9555 consists

CAT9555 Features

* I 400kHz I2C bus compatible

* I 2.3V to 5.5V operation I Low stand-by current I 5V tolerant I/Os I 16 I/O pins that default to inputs at power-up I High drive capability I Individual I/O configuration I Polarity inversion register I Active low interrupt output I Internal power-on reset I No glitc

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