ALTERA MAX 9000 series - ALTERA MAX 9000 series What is the difference between ALTERA MAX EPM9320ARI208-10 and ALTERA MAX EPM9320ARI208-10N? Replies: Re: ALTERA MAX 9000 series Trailing 'N' suffix indicates a lead free package. Legacy parts without the 'N' have lead in the package (typically in solder).