异步FIFO是一种先进先出电路，可以有效解决异步时钟之间的数据传递。通过分析异步FIFO设计中的难点，以降低电路中亚稳态出现的概率为主要目的，大大提高工作频率和资源利用率。-Asynchronous FIFO is an advanced circuit that can effectively solve the data transfer between asynchronous clock. Through the analysis of the difficulties in async