FST3257MTCXMUX/DEMUX QUAD 2:1 TTL 16TSSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74CBT3257CPWR SN74CBT3257CPWR SN74CBT3257PWR 74FST3257DTR2G FST3257MTCMUX/DEMUX QUAD 2:1 TTL 16TSSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant 74FST3257DTR2G SN74CBT3257PWG4 CBT3257APW,112