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在超大规模集成电路设计过程中 ,门级故障仿真通常因仿真速度太慢而不能满足市场需求 ,因此近年来寄存器传输级 (RTL)故障仿真成了一个研究热点 已有的RTL的故障模型和故障仿真方法在计算系统的故障覆盖率时 ,对故障数目或者加权系数的计算需要将RTL设计综合到门级 文中在信号位宽和运算符类型的基础上 ,提出了一种在RTL预测故障数的手段 ,并由此得到完全RTL的故障覆盖率计算方法 实验结果证明了该方法的有效性
In the process of VLSI design, gate-level fault simulation usually can not meet the market demand due to too slow simulation speed. Therefore, in recent years, RTL simulation has become a research hotspot of existing RTL fault models and faults Simulation method In calculating the fault coverage of the system, the calculation of the number of faults or the weighting coefficients needs to be integrated into the gate-level text of the RTL design. Based on the signal bit width and operator type, a method of predicting the number of faults Means, and thus get the full RTL fault coverage calculation method Experimental results demonstrate the effectiveness of the method