LOGIC, BUS TRANSCVR OCTAL, 20SOIC; Logic Device Type:Transceiver, Inverting; Supply Voltage Range:4.75V to 5.25V; Logic Case Style:SOIC; No. of Pins:20; Operating Temperature Range:0°C to +70°C; SVHC:No SVHC (20-Jun-2011); Logic Function Number:74640-1; Logic IC Base Number:74640; Logic IC Family:LS; Logic IC Function:Octal Bus Transceiver; Package / Case:SOIC; Supply Voltage Max:5.25V; Supply Voltage Min:4.75V; Termination Type:SMD