CAT9554 port equivalent, 8-bit i2c and smbus i/o port.
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 .
These I/O expanders provide a simple solution in applications where additional I/Os are needed: sensors, power switches.
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