♦ 400kb, 6V-Tolerant Serial Interface ♦ 2.25V to 3.6V Operation ♦ I/O Ports Default to High Impedance (LEDs Off) on Power-Up ♦ I/O Port Inputs Are Overvoltage Protected to 7V ♦ I/O Port Outputs Are 7V-Rated Open-Drain, 10mA or 20mA Constant-Current S...