Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MM80C98N found under Microcircuit Digita by National Semiconductor Corp. The National Stock Number assigned to this part is 5962011830251, and the Federal Supply Class is 5962 Microcircuits Electronic. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like MM80C98N.