MC74HC4538AFELGIC MULTIVIBRATOR DUAL 16-SOEIAJ|ON SEMICONDUCTOR|Lead free|RoHS Compliant MC74HC4538ADR2G MC74HC4538ADR2G CD74HC4538NSR MC74HC4538AFELIC MULTIVIBRATOR DUAL 16-SOEIAJ|ON SEMICONDUCTOR|Lead All|RoHS Mixed CD74HC4538NSR