公开(公告)号：US06557148B1

公开(公告)日：2003-04-29

申请号：US09713337

申请日：2000-11-16

申请人： Kouji Nishida ,  Yasuji Araki

发明人： Kouji Nishida ,  Yasuji Araki

IPC分类号： G06F1750

CPC分类号： G06F17/5036

摘要： Provided is a circuit analysis tool having a function that enables the use of a high-accuracy simulator of SPICE2 or the like while reducing the time required for processing from the first simulation. The circuit analysis tool of the present invention distinguishes between a circuit element in which voltage and current values or a signal value change or changes in response to the input of a test signal and a circuit element in which no change of the values or value occurs on the basis of connection information of a semiconductor integrated circuit. The circuit element in which no change of the values or value occurs in response to the input of the test signal is replaced by an equivalent constant voltage terminal or grounding terminal, reducing the number of circuit elements to be subjected to simulation to be continuously executed (the amount of data of circuit information).

摘要翻译： 提供一种电路分析工具，其具有能够在减少第一次模拟所需的处理时间的同时使用SPICE2等的高精度模拟器的功能。 本发明的电路分析工具区分其中电压和电流值或信号值响应于测试信号的输入而改变或改变的电路元件以及其中不发生值或值的变化的电路元件 半导体集成电路的连接信息的基础。 响应于测试信号的输入而不发生值或值发生变化的电路元件由等效的恒压端子或接地端子代替，减少要被连续执行的模拟的电路元件的数量（ 电路信息的数据量）。