74ABT646CMSAIC TRANSCVR TRI-ST 8BIT 24SSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ABT646DBR SN74ABT646DBR 74ABT646ADB,112 74ABT646CMSAXIC TRANSCVR TRI-ST 8BIT 24SSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ABT646DBR SN74ABT646DBR 74ABT646ADB,112