LOGIC, QUAD 2:1 DATA SEL/MUX, 16SOIC; Logic Type:Data Selector / Multiplexer; No. of Channels:4; Ratio:2:1; Supply Voltage Range:4.5V to 5.5V; Logic Case Style:SOIC; No. of Pins:16; Operating Temperature Range:0°C to +70°C; SVHC:No SVHC (20-Jun-2011); Logic IC Base Number:74257; Logic IC Family:F; Logic IC Function:Quad 2-to-1 Line Data Selector / Multiplexer with 3-State Outputs; Package / Case:SOIC; Ratio:2:1; Supply Voltage Max:5.5V; Supply Voltage Min:4.5V; Termination Type:SMD