SRAM Chip Async Dual 5V 64K-Bit 8K x 8 55ns 68-Pin PLCC T/R
128Kb SDR RAM, 55ns Access Time, 5.5V 5V, 300mA, PLCC
256Kb SDR RAM, 55ns Access Time, 5V 5.5V, 4.5V, 310mA, PLCC Package
64Kb SDR RAM, 5.5V, 64Kb, 26b, 55ns, PLCC, Surface Mount
SRAM IDT