复旦大学专用集成电路与系统国家重点实验室
纸质出版:1997
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[1]叶波,韦和民,郑增钰.多链扫描可测性设计中扫描链的选取[J].电子学报,1997(02):11-15.
叶波, 韦和民, 郑增钰. Selection of Scan Chains in Multiple Scan Testability Design[J]. Acta Electronica Sinica, 1997, (2).
本文提出了多链扫描可测性设计中扫描链的构造方法.根据电路的规模、输人/输出管脚数及测试时间的要求确定扫描链个数,引人临界时间的概念,采用动态编程的方法确定每条链中的扫描触发器.采用该方法,计算速度比传统方法显著提高,同时节省了存储空间.
The methodology of constructing scan chains in a design with multiple scan chains is proposed in this paper. Based on the circuit scale
the number of I/O pins available and the test time required
the number of scan chains is decided. Critical time is introduced
and dynamic programming method is used to locate the flip-flops of every scan chain. Using this algorithm
computing velocity is greatly improved and space is saved.
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