MM74HC4538MXIC MULTIVIBRATOR DUAL HS 16-SOIC|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant 74HC4538D,653 MM74HC4538MXIC MULTIVIBRATOR DUAL HS 16-SOIC|FAIRCHILD SEMICONDUCTOR (VA)|Lead free|RoHS Compliant 74HC4538D,653