IDT 72401L25SO 64X4 4b Asynchronous SRAM, 5V, 5.5V, 70°C, SOIC
IDT 7200 Series 64X4 256b 5V 35mA SOIC Surface Mount
FIFO Mem Async Dual Depth/Width Uni-Dir 64 x 4 16-Pin SOIC T/R
