说明：  异步FIFO结构和FPGA设计，首先介绍异步FIFO的概念、应用及其结构，然后分析实现异步FIFO的难点问题及其解决办法；在传统设计的基础上提出一种新颖的电路结构并对其进行综合仿真和FPGA实现
(The asynchronous FIFO structure and FPGA design, first introduced the asynchronous FIFO concept, application, and its structure, and then analyze the asynchronous FIFO difficult problems and their solutions proposes a novel circuit structure on the basis of traditional design and comprehensive simulation and FPGA implementation)