74ALVCH16841DG-T 20-bit bus interface D-type latch (3-State) - Description: 2.5/3.3V 20-Bit Bus Interface Latch; Non-Inverting with Bus Hold (3-State) ; Logic switching levels: TTL ; Number of pins: 56 ; Output drive capability: +/- 24 mA ; Power dissipation considerations: Low Power or Battery Applications ; Propagation delay: 2.4@3.3V ns; Voltage: 2.3-3.6