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热词
    • 2. 发明授权
    • Testing method and testing device for semiconductor integrated circuits
    • 半导体集成电路的测试方法和测试装置
    • US06879174B2
    • 2005-04-12
    • US09941683
    • 2001-08-30
    • Ren Uchida
    • Ren Uchida
    • G01R31/316G01R31/26G01R31/28G01R31/3183G02F1/133H01L21/822H01L27/04H03M1/10H03M1/76G09G3/36
    • G01R31/2841
    • The set values of the base power supply voltages are divided between 10 [V] and 0 [V], the upper limit value and the lower limit value of the drive voltage specification of a liquid crystal driver. A base power supply potential difference of 10 [V] between V1 to V2 of the base power supply terminals can be generated. By taking the gradation levels included between V1 to V2 of these base power supply terminals as test objects, each of the neighboring gradation output levels can mutually have a potential difference of about 200 [mV] (base power supply potential difference between the terminals 10000 [mV]/51 gradation levels). For the gradation levels included between these base power supply terminals, for every gradation level, test is performed while changing sequentially the input data and the setting of the judgment level of the comparator, and the gradation levels included in this interval are all tested.
    • 基本电源电压的设定值在液晶驱动器的驱动电压规格的上限值和下限值分别为10 [V]至0 [V]之间。 可以产生基本电源端子的V1至V2之间的基本电源电位差为10 [V]。 通过将这些基本电源端子的V1〜V2之间的灰度级作为测试对象,每个相邻的灰度输出电平可以相互具有约200 [mV]的电位差(端子10000 [ mV] / 51灰度等级)。 对于包括在这些基本电源端子之间的灰度级,对于每个灰度级,在顺序地改变输入数据和比较器的判断电平的设置,并且包括在该间隔中的灰度级全部被测试的同时进行测试。