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研究生:籃健銘
論文名稱:掃描鏈診斷之掃描鏈分群
論文名稱(外文):Scan Chain Partition for Scan Chain Diagnosis
指導教授:黃婷婷黃婷婷引用關係
學位類別:碩士
校院名稱:國立清華大學
系所名稱:資訊工程學系
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2012
畢業學年度:100
論文頁數:32
中文關鍵詞:掃描鏈掃描鏈診斷
外文關鍵詞:scan chainscan chain diagnosis
相關次數:
  • 被引用被引用:0
  • 點閱點閱:94
  • 評分評分:
  • 下載下載:2
  • 收藏至我的研究室書目清單書目收藏:0
掃描鏈診斷被視為提高晶片良率的重要議題之一。在這篇論文中,我們提出了將掃描鏈分群以提高掃描鏈診斷品質之演算法,其中包含利用邏輯閘關係建立控制關係圖,然後利用關係圖進行分群演算法。實驗結果顯示我們能將掃描鏈診斷之可疑掃描細胞範圍縮小至二到三,能降低投入物理檢查之成本,提高掃描鏈診斷之品質。
Scan chain diagnosis has become a critical issue to yield loss in modern technology. In this thesis, we present a scan chain partition algorithm to improve scan chain fault diagnosis resolution. In our scan chain partition algorithm,
we rst construct a controllability graph by netlist ependency, then perform the partition algorithm to decide which scan chain a scan cell belongs to. The experimental results show that our method can reduce the number of suspect scan cells from 378-4 to at most 2-3 for most cases of ITC'99 benchmarks.
Contents
1 Introduction 2
2 Motivation 5
2.1 Full-masked Diagnosis Technique . . . . . . . . . . . . . . . . 5
2.2 Motivational Example . . . . . . . . . . . . . . . . . . . . . . 8
3 Partition Algorithm 10
3.1 Scan Chain Partitioning . . . . . . . . . . . . . . . . . . . . . 11
3.1.1 Construction of Controllability Graph . . . . . . . . . . 11
3.1.2 Partition of Controllability Graph . . . . . . . . . . . . 17
4 Experimental Results 20
4.1 Experimental Environment and Design Flow . . . . . . . . . . 20
4.2 Comparison Result . . . . . . . . . . . . . . . . . . . . . . . . 22
5 Conclusions 25
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US Pat 20050229057, Oct. 2005
[23] R. Guo, Y. Huang, W.-T Cheng, “A complete test set to diagnose scan
chain failures,”, ITC, pp.1-10, Oct. 2007
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