Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AMD AM27C64-90BXA found under Microcircuit Digital by Avnet Macro. The National Stock Number assigned to this part is 5962013964799, 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 AMD AM27C64-90BXA.