Logic Family/Base Number:74Ls641; Logic Device Type:Transceiver, Non Inverting; Logic Case Style:Dip; No. Of Pins:20Pins; Supply Voltage Min:4.75V; Supply Voltage Max:5.25V; Logic Ic Family:74Ls; Logic Ic Base Number:74641; Msl:- Rohs Compliant: Yes |TEXAS INSTRUMENTS SN74LS641-1N.