DM74LS251 PDF File ( Datasheet )

DM54LS251 DM74LS251 TRI-STATE Data Selectors Multiplexers June 1989 DM54LS251 DM74LS251 TRI-STATE Data Selectors Multiplexers General Description These data selectors multiplexers contain full on-chip binary decoding to select one-of-eight data sources and feature a strobe-controlled TRI-STATE output The strobe must be at a low logic level to enable these devices The TRI-STATE outputs permit direct connection to a common bus When the strobe input is high both outputs are in a high-impedance st