DM74ALS257 - 3-STATE Quad 1-of-2-Line Data Selector/Multiplexer
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 DM74ALS257 presents
DM74ALS257 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 process s Functionally and pin for pin compatible with Schottky and low power Schottky TTL counterpart s Improved AC performance over Sc
