FST33X257QSP (Fairchild Semiconductor) 24:12 Multiplexer/Demultiplexer Bus Switch FST33X257 24:12 Multiplexer/Demultiplexer Bus Switch May 2002 Revised July 2002 FST33X257 24:12 Multiplexer/Demultiplexer Bus Switch General Descrip (33 views)