LM339NIC COMPARATOR QUAD 14-DIP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant LM339N LM339N/PB LM339NIC COMPARATOR LP QUAD 14-DIP|STMICROELECTRONICS|Lead free|RoHS Compliant LM339N/PB LM339NIC QUAD DIFF COMPARATOR 14-DIP|TEXAS INSTRUMENTS|Lead free|RoHS Compliant LM339N/PB