DFT techniques for memory macro with built-in ECC

被引:2
|
作者
Kushida, K [1 ]
Otsuka, N [1 ]
Hirabayashi, O [1 ]
Takeyama, Y [1 ]
机构
[1] Toshiba Co Ltd, SoC Res & Dev Ctr, Kawasaki, Kanagawa, Japan
关键词
D O I
10.1109/MTDT.2005.19
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
DFT techniques to implement ECC circuitry on memory macro with no additional test cost are proposed. New methodology to design a hamming code matrix is used to achieve whole ECC system testing with standard memory BIST and conventional test sequence. The proposed ECC techniques are implemented in a 512Kb SRAM macro and demonstrated by hardware characterization with 90mn technology.
引用
收藏
页码:109 / 114
页数:6
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