用于自检架构的系统AUED代码

D. Sciuto, C. Silvano, R. Stefanelli
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引用次数: 2

摘要

在超大规模集成电路设计中,可以方便地采用编码技术和专用的自检体系结构来增加故障检测。区域开销和速度损失可以与故障检测功能相权衡。本工作的目的是定义一类适用于多输出组合电路自检体系结构的系统全单向错误检测(AUED)代码。提出了一类系统AUED码,并提出了一种逻辑综合算法,直接从主输入导出冗余函数。如果与Berger编码相比,所提出的编码技术需要更大的输出冗余,但在转换延迟和面积开销方面提供了性能优化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Systematic AUED codes for self-checking architectures
Encoding techniques and dedicated self-checking architectures can be conveniently adopted in VLSI design to increase fault detection. Area overhead and speed penalty may be traded-off with fault detection capabilities. Aim of this work is to define a class of systematic all-unidirectional error-detecting (AUED) codes suitable for self-checking architectures for multiple output combinational circuits. A class of systematic AUED codes is proposed along with a logic synthesis algorithm to derive the redundant functions directly from the primary inputs. If compared with Berger codes, the proposed encoding techniques require greater output redundancy but provide performance optimization in terms of both transition delays and area overhead.
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