SRAM Chip Async Dual 5V 256K-Bit 16K x 16 20ns 84-Pin PLCC
256Kb SDR RAM, 20ns Access Time, 5V 5.5V, 4.5V, 85°C, -40°C, Surface Mount, PLCC
SRAM Chip Async Dual 5V 256K-Bit 16K x 16 20ns 84-Pin PLCC T/R