Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XCR3256XL-12TQ144I found under Microcircuit Memory by Xilinx Inc. The National Stock Number assigned to this part is 5962015052874, 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 XCR3256XL-12TQ144I.