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FAQ: Logic and Voltage Translation > IxC >> What I2C IO Expanders Support Automotive Grade 1?
There are a total of 3 to date.
TCAL9539-Q1 - 16-bit, 1.08V to 3.6V I2C IO Expander, single supply, interrupt, reset, Agile I/O Configuration
TCA6408A-Q1 - 8-bit 1.65V to 3.6V I2C IO Expander, dual supply, interrupt, reset, and config registers
TCA9539-Q1 - 16-bit, 1.65V to 3.6V I2C IO Expander, single supply, interrupt, reset, and config registers