IC, I/O EXPANDER, 16BIT 400KHZ, TSSOP-24; IC, I/O EXPANDER, 16BIT 400KHZ, TSSOP-24; Chip Configuration:16bit; Bus Frequency:400kHz; IC Interface Type:I2C, SMBus; Supply Voltage Min:1.65V; Supply Voltage Max:5.5V; Interface Case Style:TSSOP; No. of Pins:24; No. of I/O's:16