IDT 15ns 4.5Kb Unidirectional SRAM, 5V, 5.5V, 0°C to 70°C, 4.5Kb, PLCC
IDT 7201LA15JGI 4Kb 9b Unidirectional SRAM, 5V, 40MHz, 85°C, PLCC
IDT 7201LA15JGI8 9-Bit PLCC SRAM, 4.5Kb, 15ns Access Time, 5V 5.5V
FIFO Mem Async Dual Depth/Width Uni-Dir 512 x 9 32-Pin PLCC T/R