SRAM Chip Async Dual 5V 64K-Bit 4K x 16 35ns 84-Pin PLCC
IDT 64Kb Parallel RAM, 5V, 5.5V, 0°C to 70°C, PLCC
SRAM Chip Async Dual 5V 64K-Bit 4K x 16 35ns 84-Pin PLCC T/R