IDT 4Mb SDR RAM, 18b, 3.3V, 87MHz, TQFP, Surface Mount
SRAM Chip Sync Single 3.3V 4.5M-Bit 256K x 18 8.5ns 100-Pin TQFP T/R
SRAM Chip Sync Single 3.3V 4.5M-Bit 256K x 18 8.5ns 100-Pin TQFP Tube/Tray