IDT 128Kb Parallel RAM, 28b Address Bus Width, 55ns Access Time, PLCC Package
SRAM Chip Async Dual 5V 512K-Bit 64K x 8 55ns 84-Pin PLCC T/R
SRAM Chip Async Dual 5V 256K-Bit 32K x 8 55ns 68-Pin PLCC T/R
SRAM Chip Async Dual 5V 256K-Bit 16K x 16 55ns 84-Pin PLCC T/R
128Kb SDR RAM, 55ns Access Time, 3.3V, 3.6V, 155mA, PLCC