TCAL9539 16-bit low voltage, I²C-bus/SMBus I/O expander w/ interrupt, reset, and agile I/O configuration

The TCAL9539 device provides general purpose parallel input/output (I/O) expansion for the two-line bidirectional I2C bus (or SMBus) protocol and is designed for 1.08-V to 3.6-V VCC operation.The device supports 100-kHz (Standard-mode), 400-kHz (Fast-mode), and 1-MHz (fast-mode-plus)...