ABILBO:模拟内置块观察者

Proceedings of International Conference on Computer Aided Design Pub Date : 1996-11-10 DOI:10.1109/ICCAD.1996.569917

M. Lubaszewski, S. Mir, Leandro Pulz

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引用次数: 20

摘要

提出了一种新型的多功能测试结构——模拟嵌入式块观测器(ABILBO)。该结构以模拟积分器为基础，实现模拟扫描、测试频率生成和测试响应压缩。采用离散开关电容ABILBO对双滤波器进行测试，获得了较高的故障覆盖率。如果功能电路和测试电路是共享的，ABILBO的面积开销和性能损失可以非常低。这是基于双单元级联的高阶滤波器的典型情况。

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ABILBO: Analog BuILt-in block observer

This paper presents a novel multifunctional test structure called Analog BulLt-in Block Observer (ABILBO). This structure is based on analog integrators and achieves analog scan, test frequency generation and test response compaction. A high fault coverage was obtained by using a discrete switched-capacitor ABILBO for testing a biquad filter. The ABILBO area overhead and performance penalty can be very low if functional and testing circuitry are shared. This is typically the case of high order filters based on a cascade of biquads.

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Proceedings of International Conference on Computer Aided Design

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