±15kV ESD-Protected, 5V RS-232 Transceivers LINE TRANSCEIVER,CMOS,5 DRIVER,3 RCVR,SOP,24PIN,plastic LINE TRANSCEIVER,CMOS,5 DRIVER,3 RCVR,DIP,24PIN,plastic LINE TRANSCEIVER,2 DRIVER,2 RCVR,DIP,16PIN,plastic Interface IC - Datasheet Reference From old datasheet system