256Kb Parallel RAM, 5V, 5.5V, 0°C to 70°C, Surface Mount, PLCC
SRAM Chip Async Dual 5V 256K-Bit 32K x 8 20ns 68-Pin PLCC T/R
SRAM Chip Async Dual 5V 512K-Bit 64K x 8 20ns 84-Pin PLCC T/R
256Kb Parallel RAM, 25ns Access Time, 5V 5.5V Supply, PLCC Package
IDT 7207L20J8 32Kx9 SRAM, 5V, 5.5V, 120mA, 70°C, PLCC