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    | Partname: | CAT9554 |  | Description: | 8-bit I2C and SMBus I/O Port with Interrupt |  | Manufacturer: |  |  | Datasheet: | PDF (267K). Click here to download *)
 |  | The CAT9554 and CAT9554A are CMOS devices that provide 8-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. |  |  Click here to download CAT9554 Datasheet*)
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