发明名称 |
PHASE SHIFTER WITH REDUCED LINEAR DEPENDENCY |
摘要 |
A method is disclosed for the automated synthesis of phase shifters—circuits used to remove effects of structural dependencies featured by pseudo-random test pattern generators driving parallel scan chains. Using a concept of duality, the method relates the logical states of linear feedback shift registers (LFSRs) and circuits spacing their inputs to each of the output channels. The method generates a phase shifter network balancing the loads of successive stages of LFSRs and satisfying criteria of reduced linear dependency, channel separation and circuit complexity.
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申请公布号 |
US2010083063(A1) |
申请公布日期 |
2010.04.01 |
申请号 |
US20090633601 |
申请日期 |
2009.12.08 |
申请人 |
RAJSKI JANUSZ;TYSZER JERZY;TAMARAPALLI NAGESH |
发明人 |
RAJSKI JANUSZ;TYSZER JERZY;TAMARAPALLI NAGESH |
分类号 |
G01R31/28;G01R31/3177;G01R31/3181;G01R31/3183;G01R31/3185;G06F11/25 |
主分类号 |
G01R31/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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