DM74ALS640AWMIC TRANSCVR 8BIT N-INV 20SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ALS640BDW SN74ALS640BDWG4 DM74ALS640AWMXIC TRANSCVR 8BIT N-INV 20SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant SN74ALS640BDWR
