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    • 1. 发明申请
    • METHOD, APPARATUS, AND DESIGN STRUCTURE FOR BUILT-IN SELF-TEST
    • 用于建筑自检的方法,设备和设计结构
    • US20110029827A1
    • 2011-02-03
    • US12511739
    • 2009-07-29
    • VALERIE H CHICKANOSKYKevin W. GormanMichael R. OuelletteMichael A. Ziegerhofer
    • VALERIE H CHICKANOSKYKevin W. GormanMichael R. OuelletteMichael A. Ziegerhofer
    • G11C29/04G06F11/22
    • G11C29/14
    • In one embodiment, the invention is a method, apparatus, and design structure for built-in self-test for embedded memory in integrated circuit chips. One embodiment of a method for built-in self-test of an embedded memory includes setting up a plurality of test patterns at a speed of a test clock, where the speed of the test clock is slow enough for a tester to directly communicate with a chip in which the memory is embedded, and where the setting up includes loading a plurality of signal states used to communicate the test patterns to one or more components of a built-in self-test system, applying the test patterns to the embedded memory as a microburst at-speed, capturing output data from the embedded memory at-speed, the output data corresponding to only one of test patterns, and comparing the output data to expected data at the speed of the test clock.
    • 在一个实施例中,本发明是用于集成电路芯片中的嵌入式存储器的内置自检的方法,装置和设计结构。 用于嵌入式存储器的内置自检的方法的一个实施例包括以测试时钟的速度设置多个测试图案,其中测试时钟的速度足够慢以使测试者直接与一个 芯片,其中嵌入存储器,并且其中的设置包括将用于将测试图案传送到内置自检系统的一个或多个组件的多个信号状态,将测试图案作为 高速微冲速,以速度从嵌入式存储器捕获输出数据,输出数据仅对应于测试模式之一,并且以测试时钟的速度将输出数据与期望数据进行比较。