74AS257 Datasheet - Fairchild Semiconductor

74AS257 3-STATE Quad 1 of 2 Line Data Selector/Multiplexers

These data selectors/multiplexers contain inverters and drivers to supply full on-chip data selection to the four 3STATE outputs that can interface directly with data lines of bus-organized systems. A 4-bit word selected from one of two sources is routed to the four outputs. The DM74AS257 presents t.

74AS257 Features

* s Switching specifications at 50 pF s Switching specifications guaranteed over full temperature and VCC range s Advanced oxide-isolated, ion-implanted Schottky TTL proc

74AS257-FairchildSemiconductor.pdf