IC, EXPANDER, I/O, 16BIT, 28QFN; Chip Configuration:16bit; Bus Frequency:400kHz; Interface Type:I2C, Serial; No. of I/O's:16; Supply Voltage Range:2V to 5.5V; Digital IC Case Style:QFN; No. of Pins:28; SVHC:No SVHC (19-Dec-2011); Chip Configuration:16 bit; Interface:I2C