DM74ALS541SJIC BUFF/DVR TRI-ST 8BIT 20SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ALS541NSRE4 SN74ALS541NSR DM74ALS541SJXIC BUFF/DVR TRI-ST 8BIT 20SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ALS541NSR SN74ALS541NSR SN74ALS541NSRE4