cell BE微处理器的冗余核心测试

2010 IEEE International Test Conference Pub Date : 2010-11-01 DOI:10.1109/TEST.2010.5699206

David Iverson, Dan Dickinson, John Masson, Christina Newman-LaBounty, Daniel Simmons, William Tanona

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引用次数: 6

摘要

索尼PS/3主机中使用的Cell宽带引擎芯片包含8个相同的处理核心。由于PS/3™应用中只使用了其中的7个芯，因此通过使用这个“备用”芯，可以提高产量。使用该方案，我们可以享受到11%到17%的良率提高，但是它的实现会占用我们大约20%的测试时间，并且会带来显著的设计和测试复杂性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Redundant core testing on the cell BE microprocessor

The Cell Broadband Engine chip, used in Sony's PS/3 console, contains 8 identical processing cores. As only 7 of these are used in the PS/3™ application, this provides an opportunity for yield enhancement through use of this “spare” core. We are able to enjoy an 11% to 17% yield increase with this scheme, but its implementation drives about 20% of our test time and significant design and test complexity.

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2010 IEEE International Test Conference

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