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    • 3. 发明授权
    • Apparatus and method for generating integrated circuit test patterns
    • 用于产生集成电路测试图案的装置和方法
    • US5745501A
    • 1998-04-28
    • US824381
    • 1997-03-26
    • Robert E. GarnerConnie AstrachanEdward J. Hathaway
    • Robert E. GarnerConnie AstrachanEdward J. Hathaway
    • G01R31/3183G01R31/3185G06F11/00
    • G01R31/318307G01R31/318505
    • A method and apparatus for generating integrated circuit test patterns (218) to test a functionality of integrated circuits. Module test stimuli (202) for each module present in an integrated circuit (10) are generated and retained (102). The module test stimuli (202) are translated to module drive patterns (206). Module expected patterns (210) are determined based on the module drive patterns (206) or module test stimuli (202) using module models (208). Integrated circuit data (216) describing the structure and timing of the integrated circuit (10) is used to translate the module patterns (212) into integrated circuit test patterns (218). The integrated circuit test patterns (212) are validated (220), transformed to test vectors (226), and the test vectors (226) are applied to the external connections of the integrated circuit (10) to test a functionality of the integrated circuit (10). A data processing system (300) creates the integrated circuit test patterns (218). The steps of the present invention are incorporated into a computer readable medium and a method for manufacturing and testing an integrated circuit (10).
    • 一种用于产生集成电路测试图案(218)以测试集成电路的功能的方法和装置。 生成并保留集成电路(10)中存在的每个模块的模块测试刺激(202)(102)。 模块测试刺激(202)被转换成模块驱动模式(206)。 基于使用模块模型(208)的模块驱动模式(206)或模块测试刺激(202)来确定模块期望模式(210)。 描述集成电路(10)的结构和定时的集成电路数据(216)用于将模块图案(212)转换成集成电路测试图案(218)。 集成电路测试模式(212)被验证(220),变换成测试向量(226),并且将测试向量(226)应用于集成电路(10)的外部连接以测试集成电路的功能 (10)。 数据处理系统(300)创建集成电路测试图案(218)。 本发明的步骤被结合到计算机可读介质和用于制造和测试集成电路(10)的方法中。
    • 4. 发明授权
    • Analog to digital converter with low power control
    • 模数转换器具有低功耗控制
    • US07573416B1
    • 2009-08-11
    • US12112060
    • 2008-04-30
    • Juxiang RenEdward J. HathawayJayme W. Richard
    • Juxiang RenEdward J. HathawayJayme W. Richard
    • H03M1/12
    • H03M1/002H03M1/12
    • A circuit comprises a reference voltage generating circuit, a first switch, a second switch, and a capacitive element. The reference voltage generating circuit has an input and output terminal for providing a reference voltage. The first switch has a first terminal coupled to a first power supply voltage terminal, a second terminal coupled to the input terminal of the reference voltage generating circuit, and a control terminal for receiving a first control signal. The second switch has a first terminal coupled to the output terminal of the reference voltage generating circuit, a second terminal, and a control terminal for receiving a second control signal. The capacitive element has a first plate electrode coupled to the second terminal of the second switch, and a second plate electrode coupled to a second power supply voltage terminal.
    • 电路包括参考电压产生电路,第一开关,第二开关和电容元件。 参考电压产生电路具有用于提供参考电压的输入和输出端子。 第一开关具有耦合到第一电源电压端子的第一端子,耦合到参考电压产生电路的输入端子的第二端子和用于接收第一控制信号的控制端子。 第二开关具有耦合到参考电压产生电路的输出端的第一端子,第二端子和用于接收第二控制信号的控制端子。 电容元件具有耦合到第二开关的第二端子的第一板电极和耦合到第二电源电压端子的第二板电极。