74VHC240SJXIC INVERTER DUAL 4-INPUT 20SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74AHC240NSR 74VHC240SJIC INVERTER DUAL 4-INPUT 20SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant 74VHC240SJX SN74AHC240NSRG4