Logic, Mux/Demux Fet 4Bit, 16Tssop; Logic Family/Base Number:74Cbt257; Logic Type:Fet Multiplexer/Demultiplexer; No. Of Channels:4Channels; Line Configuration:2:1; Supply Voltage Min:4V; Supply Voltage Max:5.5V; Logic Case Rohs Compliant: Yes |TEXAS INSTRUMENTS SN74CBT3257PW