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    • 6. 发明授权
    • Method of computer-assisted design of integrated circuit chips, and library of delay time values for computer-assisted design of such chips
    • 计算机辅助设计集成电路芯片的方法,以及这种芯片的计算机辅助设计的延迟时间值库
    • US07051314B2
    • 2006-05-23
    • US10326379
    • 2002-12-23
    • Junichi Goto
    • Junichi Goto
    • G06F17/50
    • G06F17/5072G03F7/70425G06F17/5045G06F2217/12Y02P90/265
    • A method of placing integrated circuit chips on a wafer uses a library of average delay time values of logic gates. Exposure-dependent delay time values of the logic gates, which result from exposure of a unit area to a beam of radiation, are additionally stored in the library. These delay time values are detected by successively exposing unit areas of a test wafer to a beam of radiation as a function of relative positions of each integrated circuit chip within the unit exposure area. In a modified embodiment, only one integrated circuit chip within each unit area is exposed to the radiation beam, and the exposure-dependent delay time values are detected as a function of position within the exposed integrated circuit chip or as a function of distance from the center of the each unit area.
    • 将集成电路芯片放置在晶片上的方法使用逻辑门的平均延迟时间值的库。 在图书馆中还附加存储由曝光单位区域到辐射束产生的逻辑门的曝光相关延迟时间值。 这些延迟时间值是通过将测试晶片的单位面积依次暴露于单位曝光区域内的每个集成电路芯片的相对位置的函数来将辐射束连续曝光来检测的。 在修改的实施例中,在每个单位区域内只有一个集成电路芯片暴露于辐射束,并且依赖于暴露的集成电路芯片中的曝光相关延迟时间值作为位置的函数被检测,或作为距离 每个单位面积的中心。
    • 9. 发明授权
    • Digital processor with instruction memory of reduced storage size
    • 具有减少存储大小的指令存储器的数字处理器
    • US5410659A
    • 1995-04-25
    • US47579
    • 1993-04-13
    • Junichi Goto
    • Junichi Goto
    • G06F9/22G06F9/30G06F9/38
    • G06F9/3822G06F9/30145
    • A digital processor has a data processing unit having arithmetic/logic operation circuits, an instruction memory for storing an instruction word, and an instruction decoder for decoding the instruction word read from the instruction memory and outputting the control signals respectively to the arithmetic/logic operation circuits. Each instruction word has at least a first control field and a second control field. The instruction decoder has two decoding circuits. Each of the decoding circuits corresponds to each group of the arithmetic/logic operation circuits, receives the instruction word for decoding the second control field into a control signal and outputs an ENABLE signal. The ENABLE signal from the first decoding circuit is applied to the second decoding circuit, and the ENABLE signal from the second decoding circuit is applied to the first decoding circuit. Only one of the first and second decoding circuits outputs a control signal at a time.
    • 数字处理器具有具有算术/逻辑运算电路的数据处理单元,用于存储指令字的指令存储器和用于对从指令存储器读取的指令字进行解码的指令译码器,分别将控制信号输出到运算/逻辑运算 电路。 每个指令字具有至少第一控制字段和第二控制字段。 指令译码器具有两个解码电路。 每个解码电路对应于每组算术/逻辑运算电路,将用于将第二控制场解码的指令字接收到控制信号中,并输出ENABLE信号。 来自第一解码电路的ENABLE信号被施加到第二解码电路,并且来自第二解码电路的ENABLE信号被施加到第一解码电路。 第一和第二解码电路中只有一个一次输出控制信号。