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    • 2. 发明申请
    • Test apparatus, test method, electronic device manufacturing method, test simulator and test simulation method
    • 试验装置,试验方法,电子装置制造方法,试验模拟装置及试验模拟方法
    • US20060247882A1
    • 2006-11-02
    • US11395094
    • 2006-03-31
    • Hideki TadaMitsuo HoriTakahiro KataokaHiroyuki Sekiguchi
    • Hideki TadaMitsuo HoriTakahiro KataokaHiroyuki Sekiguchi
    • G01R27/28
    • G01R31/31932G01R31/31928G01R31/31937
    • Acceptability of an electronic device is determined with higher precision by performing testing regarding correlation of the timing at which multiple output signals output from the electronic device change. A test apparatus which tests an electronic device by providing test signals to the electronic device and comparing multiple output signals with respective anticipated values, comprises: reference timing detecting means for detecting that one of the output signals has changed; setting means for setting beforehand a minimum time from changing of the output signal to changing of another output signal; acquisition means for acquiring the value of the latter output signal at a timing at which the minimum time has elapsed from detection of change of the former output signal; and determination means for determining the electronic device to be defective in the event that the value of the latter output signal thus acquired does not match the value which the latter output signal should assume following elapsing of the minimum time.
    • 通过执行关于从电子设备输出的多个输出信号的定时的相关性的改变来更高精度地确定电子设备的可接受性。 一种测试装置,通过向电子设备提供测试信号并将多个输出信号与各个预期值进行比较来测试电子设备,包括:用于检测输出信号中的一个已经改变的参考定时检测装置; 设置装置,用于预先设定从输出信号改变到另一个输出信号改变的最小时间; 获取装置,用于在从检测到前一个输出信号的变化起经过最小时间的定时获取后一个输出信号的值; 以及确定装置,用于在如此获得的后一个输出信号的值与后一个输出信号应该在最小时间之后应该呈现的值不匹配的情况下确定电子设备有缺陷。
    • 6. 发明授权
    • Test emulator, emulation program and method for manufacturing semiconductor device
    • 测试仿真器,仿真程序和制造半导体器件的方法
    • US07506291B2
    • 2009-03-17
    • US11211126
    • 2005-08-24
    • Hideki TadaMitsuo HoriTakahiro Kataoka
    • Hideki TadaMitsuo HoriTakahiro Kataoka
    • G06F17/50G06F9/45
    • G06F11/24G01R31/31703G06F11/261G06F11/277
    • A test emulator for emulating a test of a semiconductor device is provided. The test emulator includes a test pattern providing means for providing a test pattern to a device simulator which simulates the operation of a semiconductor device, an expected value storage means for associating a comparison timing at which an output signal outputted from the device simulator according to the test pattern is compared with an predetermined expected value with the expected value at the comparison timing and previously storing therein the same, a margin determination means for determining the size of a margin between which the output signal corresponds to the expected value when the output signal corresponds to the expected value at the comparison timing and a notification means for notifying a user that the margin at the comparison timing is small when the size of margin is smaller than a reference value.
    • 提供了一种用于模拟半导体器件测试的测试仿真器。 测试模拟器包括测试模式提供装置,用于向模拟半导体器件的操作的器件模拟器提供测试模式;期望值存储装置,用于将根据所述装置模拟器输出的输出信号的比较定时相关联 将测试图案与预定值在比较定时进行比较,并预先在其中存储相同的值;边界确定装置,用于在输出信号对应于输出信号对应于期望值时确定输出信号对应的余量的大小 到达比较定时的期望值,以及通知单元,用于当余量的大小小于参考值时通知用户比较定时的余量小。
    • 10. 发明申请
    • Test simulator, test simulation program and recording medium
    • 测试模拟器,测试仿真程序和记录介质
    • US20060085682A1
    • 2006-04-20
    • US11240811
    • 2005-09-30
    • Hideki TadaMitsuo HoriTakahiro Kataoka
    • Hideki TadaMitsuo HoriTakahiro Kataoka
    • G06F11/00
    • G06F17/5022G01R31/3183G01R31/318357G06F11/263
    • There is provided a test simulator simulating a test of a semiconductor device, which includes: a test pattern holding means for holding an existing test pattern to be supplied to the semiconductor device; a device output holding means for previously holding an output to be obtained from the semiconductor device when the existing test pattern is supplied; a test pattern generating means for generating a new test pattern to be supplied to the semiconductor device; a test pattern deciding means for deciding whether the new test pattern is equal to the existing test pattern; and a simulation skipping means for skipping at least a part of a simulation test by reading an output from the device output holding means and using the output as an output for the new test pattern without supplying the new test pattern to the semiconductor device when the test patterns are equal to each other.
    • 提供了模拟半导体器件测试的测试模拟器,其包括:用于保持要提供给半导体器件的现有测试图案的测试图案保持装置; 装置输出保持装置,用于在提供现有测试图案时预先保持从半导体装置获得的输出; 测试图形产生装置,用于产生要提供给半导体器件的新测试图案; 测试模式决定装置,用于判定新的测试模式是否等于现有的测试模式; 以及模拟跳过装置,用于通过读取来自装置输出保持装置的输出并使用该输出作为新测试图案的输出而跳过至少一部分模拟测试,而在测试时不向半导体装置提供新的测试图案 模式彼此相等。