64Kb Parallel RAM, 25ns Access Time, 5V 4.5-5.5V, PLCC
SRAM Chip Async Dual 5V 256K-Bit 16K x 16 25ns 84-Pin PLCC T/R
SRAM Chip Async Dual 5V 128K-Bit 8K x 16 25ns 84-Pin PLCC T/R
IDT 64Kb Parallel RAM, 55ns Access Time, 5.5V 4.5V, PLCC Package
SRAM Chip Async Dual 3.3V 64K-Bit 4K x 16 25ns 84-Pin PLCC T/R