DM74ALS21AMIC GATE AND DUAL 4INPUT 14SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ALS21AD DM74ALS21AMXIC GATE AND DUAL 4INPUT 14SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ALS21ADR SN74ALS21ADR