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二、CMOS半专用阵列1.历史和现状半专用电路(有人称为半定制电路或半常规电路)是1950年前后迅速崛起的,介于标准电路与专用电路之间的一种新型集成电路.最近,几乎所有的半导体厂家都在努力开发和生产半专用电路.1982年,半专用集成电路的世界市场销售额为2.5亿美元,1986年可望达到13亿美元,预计1992年可能达到130亿美元,半专用电路的出现和发展将使电子产品的生产方式和设计思想发生深刻的变化.目前的半专用电路有三大类:门阵列、单元库和‘结构式设计” 电路.其中,门阵列发展最快,成为目前三种半专用电路中的骄子.
Second, the CMOS semi-dedicated array 1. History and status quo Semi-dedicated circuit (some called semi-custom circuit or semi-conventional circuit) is the rapid rise before and after 1950, between the standard circuit and a dedicated circuit between a new type of integrated circuit. Recently, almost all the semiconductor manufacturers are working hard to develop and produce semi-specialized circuits. In 1982, the world market for semi-specialized integrated circuits reached US $ 250 million and expected to reach US $ 1.3 billion in 1986 and is expected to reach 13 billion in 1992 The advent and development of semi-specialized circuits of the U.S. dollar will profoundly change the way of production and design of electronic products. There are three types of semi-specialized circuits currently available: gate array, cell library and ’structural design’ circuit, The fastest, become the pride of the three semi-exclusive circuit.