74ABT646CMTCXIC TRANSCVR TRI-ST 8BIT 24TSSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ABT646PWR SN74ABT646PWR 74ABT646CMTCIC TRANSCVR TRI-ST 8BIT 24TSSOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant 74ABT646APW,112