用激光扫描仪分析64K位全CMOS静态RAM的锁存现象

T. Shiragasawa, H. Shimura, K. Kagawa, T. Yonezawa, M. Noyori
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引用次数: 5

摘要

为了定量评价CMOS lsi的锁存灵敏度,研制了一种先进的带激光扫描仪的锁存分析仪。由于该分析仪应用于64K位全CMOS静态RAM,该分析仪被发现在CMOS lsi的锁存器评估中非常有用。此外,在静态随机存储器上,可以清楚地观察到存储器单元中的高灵敏度区域和存储器阵列块中依赖于模式布局的灵敏度分布。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Latch-Up Analysis on a 64K Bit Full CMOS Static RAM using a Laser Scanner
In order to quantitatively evaluate latch-up sensitivity on scaled CMOS LSIs, an advanced latch-up analyzer with a laser scanner has been developed. As a result of the application of the analyzer to a 64K bit full CMOS static RAM, the analyzer was found to be very useful in latch-up evaluation on CMOS LSIs. Furthermore, high sensitivity regions in the memory cell and a sensitivity distribution in the memory array block, which depend on pattern layout, have been clearly observed on the static RAM.
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