64-Bit Quad-SPI FIFO Memory IC, 512 Words, 3.3V, 64-Pin STQFP
Synchronous FIFO, 512x18, 11ns, 66.7MHz, TQFP
64-Bit Quad-SPI FIFO Memory IC, 512 Words, 3.3V, Commercial, STQFP-64