74F245SJXIC TRANSCVR TRI-ST 8BIT 20SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74F245NSRE4 SN74F245NSR 74F245SJIC TRANSCVR TRI-ST 8BIT 20SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74F245NSRG4 SN74F245NSR