SRAM Chip Sync Single 3.3V 4.5M-Bit 256K x 18 3.8ns 100-Pin TQFP Tube/Tray
IDT 71V3578S150PFGI8 150MHz 18b Parallel RAM
4Mb SDR RAM, 150MHz, 3.3V, 18b, TQFP
SRAM Chip Sync Single 3.3V 4.5M-Bit 256K x 18 3.8ns 100-Pin TQFP T/R