CAT9554 8-Bit I2C and SMBus I/O Port

Catalyst Semiconductor

Description

www.DataSheet4U.com CAT9554, CAT9554A 8-bit I2C and SMBus I/O Port with Interrupt .
The CAT9554 and CAT9554A are CMOS devices that provide 8-bit parallel input/output port expansion for I2C and SMBus compatible applications.

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Datasheet Specifications

Part number: CAT9554
Manufacturer: Catalyst Semiconductor
File Size: 305.02 KB
Datasheet: CAT9554_CatalystSemiconductor.pdf
Description: 8-Bit I2C and SMBus I/O Port

Features

* I 400kHz I2C bus compatible
* I 2.3V to 5.5V operation I Low stand-by current I 5V tolerant I/Os I 8 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 glitch

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 CAT9554/9554A consist of an input port register, an output port register, a configuration register, a polarity inversion register and an I2C/SMBu

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CAT9554 8-Bit I2C and SMBus Port Catalyst Semiconductor

Catalyst Semiconductor CAT9554-like datasheet