SRAM Chip Async Dual 3.3V 512K-Bit 32K x 16 15ns 100-Pin TQFP T/R
70V27L15PFG 512Kb SDR Synchronous RAM, 3.3V 225mA TQFP
IDT 576Kb Parallel RAM, 30b Address Bus Width, 15ns Access Time, TQFP Package
IDT 1Mb Parallel RAM, 32b Address Bus, 15ns Access Time, TQFP