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引言一个硬件电子系统可以分成二个部分:一是封装好的单块电路;二是把这些单块电路连接起来构成功能电路的互连导体系统,如印刷电路板、多层板等。单块电路发展趋向自一九五九年以来,每两年单块电路的复杂程度要增加一倍。有证据说明,这种发展趋向至少将延续到八十年代。随着复杂程度的不断增加,必将要求每个芯片具有更多
Introduction A hardware electronic system can be divided into two parts: one is a packaged monolithic circuit; the other is an interconnected conductor system that connects these monolithic circuits to form functional circuits, such as printed circuit boards and multilayer boards. Monolithic Development Trend Since 1996, the complexity of a single circuit has been doubled every two years. Evidence shows that this trend of development will continue at least until the 1980s. As complexity continues to increase, it will certainly require more chips per chip