IC, I/O EXPANDER, SPI, 26MHZ, 28SSOP; Chip Configuration:16bit; Bus Frequency:26MHz; IC Interface Type:Microwire, Serial; Supply Voltage Min:2.5V; Supply Voltage Max:5.5V; Interface Case Style:SSOP; No. of Pins:28; No. of I/O's:28; Packaging:Each; MSL:MSL 1 - Unlimited; Supply Voltage Range:2.5V to