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美国先锋微器件公司采用分步重复光刻技术,在仅为49平方微米的晶片上集成了256K位电可编程只读存贮器. 这种存贮器在12.5伏电压下就可编程,采用智能编程算法,约在5分钟内能将32K位存贮单元全部写
The United States Pioneer Micro Devices uses step-and-repeat lithography to integrate a 256K bit EPROM into a 49-square-micron chip that is programmable at 12.5 volts using a Intelligent programming algorithm, about 5 minutes 32K memory cells can write all