仿真ic测试的程序，测试向量我们采用随机向量生成法，假定某人故障点存在s-a-0或s-a-1故障，由随机生成的向量对整个电路进行测试，若输出端的值与无故障电路的值不同，则测试成功，说明该向量可以检测出该故障。-Ic simulation test procedures, test vectors we use random vector generation, it is assumed that a person point of failure exist sa-0 or sa-1 fault, by the randomly generated vectors to test the entire circuit, if the output value and the non-fault circuit different values, then test the success of the vector can detect the fault.