Error detection/correction and fault detection/recovery – Pulse or data error handling – Memory testing
Reexamination Certificate
2011-07-12
2011-07-12
Ton, David (Department: 2117)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Memory testing
C714S042000
Reexamination Certificate
active
07979760
ABSTRACT:
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.
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Choi Hee-joo
Kim Byoung-sul
Lee Jung-kuk
Lee Seung-hee
Harness & Dickey & Pierce P.L.C.
Samsung Electronics Co,. Ltd.
Ton David
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