54F251A Datasheet | National Semiconductor

54F 74F251A 8-Input Multiplexer with TRI-STATE Outputs Obsolete November 1994 54F 74F251A 8-Input Multiplexer with TRI-STATE Outputs General Description The ’F251A is a high-speed 8-input digital multiplexer It provides in one package the ability to select one bit of data from up to eight sources It can be used as a universal function generator to generate any logic function of four variables Both assertion and negation outputs are provided Features Y Multifunctional capability Y On-chip select logic decoding Y Inverting and non-inverting TRI-STATE outputs mercial 74F251APC 74F251ASC (Note 1) 74F251ASJ (Note 1) Military 54F251ADM (Note 2) 54F251AFM (Note 2) 54F251ALL (Note...