Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SN5489J found under Microcircuit Memory by Texas Instruments Inc. The National Stock Number assigned to this part is 5962007620617, 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 SN5489J.