发明名称 Built-in self-test method and system
摘要 A method for testing a memory device having plural memory elements includes performing a succession of operations including: a) writing a test datum into the memory elements according to a first scanning sequence; b) accessing each memory element according to the first scanning sequence, reading a content thereof, comparing the read content to the test datum, and writing thereinto the test datum complement; c) accessing each memory element according to a second scanning sequence, reading a content thereof, comparing the read content to the test datum complement, and writing thereinto the test datum; d) accessing each memory element according to the second scanning sequence, reading a content thereof, comparing the read content to the test datum, writing thereinto the test datum complement, and reading again the content thereof and comparing the read content to the test datum complement.
申请公布号 US2007011511(A1) 申请公布日期 2007.01.11
申请号 US20060436121 申请日期 2006.05.17
申请人 STMICROELECTRONICS S.R.L. 发明人 GRISETA ANTONIO;MAZZONE ANGELO;PENZA LUIGI
分类号 G11C29/00 主分类号 G11C29/00
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