20-bit buffer/line driver, non-inverting, with 30 Ohm termination resistors (3-State) - Description: 2.5/3.3V 20-Bit Buffer/Line Driver; Non-Inverting with Bus Hold and 30 Ohm Termination Resistors (3-State) ; Logic switching levels: TTL ; Number of pins: 56 ; Output drive capability: +/- 12 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 2.9@3.3V ns; Voltage: 2.3-3.6 V