基本门电路

该方法首先定义基本门电路的特征函数，通过特征函数的迭加，得到与被测电路对应的一约束网络的特征函数CATPG，用遗传算法计算CATPG的零点获得故障的测试。

A characteristic function for each basic gate circuit is defined , and the C ATPG , which is a characteristic function for the constrained network of circuits under test , is used to generate test patterns for given faults by a genetic algorithm .

本文应用带抑制弧的增广Petri网建立了基本门电路和常用触发器的Petri网模型；

The models of the basic gates and typical flip-flops for Petri net are constructed by using a kind of extended Petri net with inhibitor arc .

XNOR门是构成Reed-Muller逻辑的基本门电路，现有的XNOR门电路由于信号摆幅的不完全性而导致后级亚阈功耗的存在。

XNOR gate is the basic unit of Reed-Muller logic . The non-full swing signal in the existing XNOR gates causes the sub-threshold power dissipation .

在CMOS数字电路器件中，最典型的基本单元门电路为反相器，它是CMOS数字电路分析设计的基础，因此CMOS数字器件电路级微波扰乱效应研究大多集中在CMOS反相器。

The CMOS inverters are normally chosen in digital circuit devices and it is the foundation of CMOS digital circuit analysis and design . So , the study of microwave interference effects on CMOS digital circuit-level device are mostly concentrated in CMOS inverter .

在这里，标准单元是指基本的门电路，触发器或其他基本组合逻辑电路。

Here , standard units include basic gate circuits , flip-flops and other basic combinational logic circuits .

针对EWB中NATIVE模型的缺陷，提出spice模型TTL逻辑门电路，并对参数调整进行讨论，获得仿真度较高的基本TTL逻辑门电路。

In view of the flaw in the NATIVE model of EWB , this article proposed the Spice-based TTL logical gate circuit , and discussed to the parameter adjustment , obtained the high like TTL logical gate circuit .