针对航天高速高可靠FPGA接口时序测试,分析了FPGA接口类型及测试需求,介绍了一种基于时序路径的FPGA接口时序测试方法,结合时序路径模型,阐述了异步总线接口时序测试的测试流程和计算方法,并给出实际案例。该方法集成了功能仿真和静态时序分析的优点,特别适合极限工况下的FPGA接口时序验证,已经应用到多个航天高可靠FPGA接口测试中,与传统的动态门级时序仿真相比,能显著提高验证效率和测试覆盖率。 Aiming at the high-speed and high-reliability timing test of FPGA interface, this paper analyzes the FPGA interface type and testing requirements. An FPGA interface timing test method based on timing path is introduced. Combined with the timing path model, the test procedure and calculation of asynchronous bus interface timing test Method, and gives the actual case. The method integrates the advantages of functional simulation and static timing analysis, and is especially suitable for FPGA interface timing verification in extreme operating conditions. It has been applied to testing multiple high reliability FPGA interfaces in spaceflight. Compared with the traditional dynamic gate-level timing simulation, Significantly increase verification efficiency and test coverage.