SRAM Chip Async Dual 5V 256K-Bit 32K x 8 20ns 68-Pin PLCC T/R
256Kb SDR RAM, 20ns Access Time, 5V 5.5V, 4.5V, 315mA, Surface Mount PLCC
IDT 128Kb SDR RAM, 28b Parallel Interface, 5V, PLCC Package
32K x 9 AsyncFIFO, 5.0V