74F157ASCIC MULTIPLEXER QUAD 2INP 16-SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74F157AD N74F157AD,602 74F157ASCXMULTIPLEXER QUAD 2INPUT 16SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74F157ADR SN74F157ADR N74F157AD,623