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    • 1. 发明授权
    • Test system for conducting parallel bit test
    • 用于并行位测试的测试系统
    • US07979760B2
    • 2011-07-12
    • US12382026
    • 2009-03-06
    • Byoung-sul KimSeung-hee LeeJung-kuk LeeHee-joo Choi
    • Byoung-sul KimSeung-hee LeeJung-kuk LeeHee-joo Choi
    • G11C29/00
    • G11C29/26G11C5/04G11C2029/2602
    • Provided is a test system conducting a parallel bit test. The test system, conducting a parallel bit test on a plurality of memory modules mounted on a socket, comprises a plurality of counters and a comparator. Each of the counters counts the number of data output signals in the same logic state, among the data output signals outputted from each memory of the memory modules, and outputs a count signal. The comparator compares the count signal outputted from each of the counters and outputs a comparison signal corresponding to a defect of the memory modules. According to the test system, defects in a memory module can be accurately detected and a possibility of an error in the detection can be reduced when a plurality of memory modules are tested, as compared to conventional test systems.
    • 提供了进行并行位测试的测试系统。 测试系统对安装在插座上的多个存储器模块进行并行位测试,包括多个计数器和比较器。 每个计数器对从存储器模块的每个存储器输出的数据输出信号中的相同逻辑状态下的数据输出信号的数量进行计数,并输出计数信号。 比较器比较从每个计数器输出的计数信号,并输出与存储器模块的缺陷相对应的比较信号。 根据测试系统,与常规测试系统相比,可以准确地检测存储器模块中的缺陷,并且当测试多个存储器模块时,可以减少检测中的错误的可能性。
    • 2. 发明申请
    • Test system for conducting Parallel bit test
    • 用于并行位测试的测试系统
    • US20090228747A1
    • 2009-09-10
    • US12382026
    • 2009-03-06
    • Byoung-sul KimSeung-hee LeeJung-kuk LeeHee-joo Choi
    • Byoung-sul KimSeung-hee LeeJung-kuk LeeHee-joo Choi
    • G06F11/00G06F11/07
    • G11C29/26G11C5/04G11C2029/2602
    • Provided is a test system conducting a parallel bit test. The test system, conducting a parallel bit test on a plurality of memory modules mounted on a socket, comprises a plurality of counters and a comparator. Each of the counters counts the number of data output signals in the same logic state, among the data output signals outputted from each memory of the memory modules, and outputs a count signal. The comparator compares the count signal outputted from each of the counters and outputs a comparison signal corresponding to a defect of the memory modules. According to the test system, defects in a memory module can be accurately detected and a possibility of an error in the detection can be reduced when a plurality of memory modules are tested, as compared to conventional test systems.
    • 提供了进行并行位测试的测试系统。 测试系统对安装在插座上的多个存储器模块进行并行位测试,包括多个计数器和比较器。 每个计数器对从存储器模块的每个存储器输出的数据输出信号中的相同逻辑状态下的数据输出信号的数量进行计数,并输出计数信号。 比较器比较从每个计数器输出的计数信号,并输出与存储器模块的缺陷相对应的比较信号。 根据测试系统,与常规测试系统相比,可以准确地检测存储器模块中的缺陷,并且当测试多个存储器模块时,可以减少检测中的错误的可能性。