| Part Number | CAT9554A |
| Manufacturer | Catalyst Semiconductor |
| Title | 8-Bit I2C and SMBus I/O Port |
| Description | The CAT9554 and CAT9554A are CMOS devices that provide 8-bit parallel input/output port expansion for I2C and SMBus compatible applications. These... |
| 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 interrup...
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| Datasheet |
 CAT9554A Datasheet
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