CMOS DUAL ASYNCHRONOUS FIFO DUAL 256 x 9, DUAL 512 x 9,DUAL 1,024 x 9, DUAL 2,048 x 9,DUAL 4,096 x 9, DUAL 8,192 x 9CMOS双路异步FIFO DUAL 256× 9 ,双512× 9 ,双1,024× 9 ,双2048 ×9 ,双4096 ×9 ,双8,192 ×9