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    • 1. 发明公开
    • TEST SYSTEM, ADDED APPARATUS, AND TEST METHOD
    • 测试系统,添加设备和测试方法
    • KR20070089057A
    • 2007-08-30
    • KR20070017719
    • 2007-02-22
    • ADVANTEST CORP
    • WATANABE YUYASUGAMORI SHIGERU
    • G06F11/22
    • G01R31/31919G01R31/31922
    • A test system, an additional apparatus and a test method are provided to perform logic simulation of design data of a DUT(Device Under Test), thereby effectively performing event based-test without directly making a test pattern. A test system comprises the followings: an event data acquiring unit(42) for acquiring event data; a signal generating unit(44) for generating a device input signal to a device to be tested; a signal supply unit(46) for supplying the generated device input signal to the device to be tested; a signal input unit for inputting a device output signal; a variation detecting unit(48) for detecting whether the inputted device output signal is varied; a variation timing detecting unit(50) for detecting variation timing of the device output signal; a storing unit(60) for storing the variation timing of the device output signal and signal values after varying; a reading unit(64) for reading the output events; and a determining unit(52).
    • 提供了一种测试系统,附加设备和测试方法来对DUT(被测设备)的设计数据执行逻辑仿真,从而有效地执行基于事件的测试,而不直接制作测试模式。 测试系统包括:用于获取事件数据的事件数据获取单元(42); 信号生成单元(44),用于产生到被测设备的设备输入信号; 信号提供单元(46),用于将所生成的设备输入信号提供给要测试的设备; 用于输入设备输出信号的信号输入单元; 用于检测所输入的设备输出信号是否变化的变化检测单元(48) 变化定时检测单元,用于检测设备输出信号的变化定时; 存储单元(60),用于存储设备输出信号的变化定时和变化后的信号值; 读取单元(64),用于读取输出事件; 和确定单元(52)。
    • 2. 发明专利
    • DE102007010686A1
    • 2007-08-30
    • DE102007010686
    • 2007-02-27
    • ADVANTEST CORP
    • WATANABE YUYASUGAMORI SHIGERU
    • G01R31/3183
    • There is provided a test system that tests a device under test. The test system includes a test apparatus that tests the device under test on the basis of an event, and an added apparatus that is added between the device under test and the test apparatus when an interval to which a device output signal is changed is smaller than an interval capable of being processed by the test apparatus, and the added apparatus includes a signal input section that inputs the device output signal output from the device under test according to the device input signal, a change detecting section that detects whether the input device output signal has been changed or not, a change timing detecting section that detects the change timing for the device output signal, a storing section that sequentially stores the change timing and the signal value after the change for the device output signal as an output event, according to the fact that the device output signal has been changed, and a reading section that sequentially reads the output events from the storing section to input the events into the test apparatus.