Hierarchical design based on a calculus of nets
DAC '87 Proceedings of the 24th ACM/IEEE Design Automation Conference
A hierarchical test generation methodology for digital circuits
Journal of Electronic Testing: Theory and Applications
Hierarchical test generation under intensive global functional constraints
DAC '92 Proceedings of the 29th ACM/IEEE Design Automation Conference
Automatic test knowledge extraction from VHDL (ATKET)
DAC '92 Proceedings of the 29th ACM/IEEE Design Automation Conference
Computer Arithmetic in Theory and Practice
Computer Arithmetic in Theory and Practice
Test Pattern Generation with Restrictors
Proceedings of the IEEE International Test Conference on Designing, Testing, and Diagnostics - Join Them
Visualizing Test Information: A Novel Approach for Improving Testability
Proceedings of the IEEE International Test Conference on Designing, Testing, and Diagnostics - Join Them
CHEETA: Composition of Hierarchical Sequential Tests Using ATKET
Proceedings of the IEEE International Test Conference on Designing, Testing, and Diagnostics - Join Them
A graphical system for hierarchical specifications and checkups of VLSI circuits
EURO-DAC '90 Proceedings of the conference on European design automation
The Complexity of Fault Detection Problems for Combinational Logic Circuits
IEEE Transactions on Computers
A Logic System for Fault Test Generation
IEEE Transactions on Computers
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Conventional tools for test generation and fault simulation appear to the test engineer as black boxes which neither communicate their results in a convenient way, nor allow for any interactive guidance by the test engineer. In contrast, the HIT system presented in this paper supports interactive test engineering, thus combining the power of gate level test generation algorithms with the high level knowledge of the test engineer. Since the HIT system has been integrated into a hierarchical design system (CADIC), the results of test tools can be visualized at the hierarchical circuit specifications given by the designer. Based on this visualization, the critical, untestable areas of the circuit can be easily located. Additionally, the test engineer is supplied with flexible test tools, which allow to actively guide the test development process. Thus, module specific test strategies can be applied or high level knowledge about the functionality of the overall circuit can be 'communicated' to speed-up test generation and redundancy identification. An application example shows that with simple strategies for interactive test engineering the results of test generation can be improved dramatically.