DM74ALS574AWMIC F/F OCTAL D EDGE TRIG 20-SOIC|FAIRCHILD SEMICONDUCTOR|Lead All|RoHS Mixed SN74ALS574BDW SN74ALS574BDWE4 DM74ALS574AWMXIC FLIP FLOP OCTAL D 3ST 20SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ALS574BDWR SN74ALS574BDWR SN74ALS574BDWRG4