Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander with interrupt output, reset, and configuration registers

1. General description The PCAL6408A is an 8-bit general-purpose I/O expander that provides remote I/O expansion for most microcontroller families via the I2C-bus interface. NXP I/O expanders provide a simple solution when additional I/Os are needed while keeping interconnections to a minimum,

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