数模混合边界扫描技术的研究现状与进展

Present Situation and Development of Mixed-Signal Boundary Scan Technology

数模混合电路的集成度和复杂度不断提高,电路测试的难度越来越大,混合信号边界扫描技术的推出为数模混合电路的测试提供了一种有效解决方案;文章以近年来国内外有关的文献报道为依据,对目前混合信号边界扫描技术的测试规范及测试方法进行系统的归纳,重点对该技术的新应用、新进展和发展动态进行详细介绍;针对混合信号边界扫描技术应用过程中遇到的实际问题提出了急需研究解决的主要关键技术,最后总结了该技术的发展方向和应用前景。

It is difficulty to test due to the increasing demands for high complexity and high-integration mixed-signal circuit. Mixed -signal boundary-scan technology has been proposed to be an effective scheme for the testing of mixed-signal circuit. A summary of the specifications and methods of mixed-signal boundary-scan test is given by analyzing the concerned literatures published in recent years. The new applications and developments are discussed as emphases. This paper raised the key techniques that should be developed to resolve the problems existing in present situation of mixed-signal boundary scan technology. Finaily, concluded the development of the technology direction and application prospects.