CD54HC4538F3A brand manufacturers: National Semiconductor, Elecinsight stock, CD54HC4538F3A reference price.National Semiconductor. CD54HC4538F3A parameters, CD54HC4538F3A Datasheet PDF and pin diagram description download.You can use the CD54HC4538F3A Logic - Multivibrators, DSP Datesheet PDF, find CD54HC4538F3A pin diagram and circuit diagram and usage method of function,CD54HC4538F3A electronics tutorials.You can download from the Elecinsight.