Product Overview The NXP PCA9555PW is a 16-bit I2C-bus/SMBus GPIO expander with interrupt output in a TSSOP24 package. It provides 16 bits of general purpose parallel I/O expansion, features 5V tolerant I/Os, individual I/O configuration, polarity inversion, and supports up to 400 kHz I2C clock frequency with up to 8 devices on the same bus. […]
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