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Component Dependencies Based Network-on-Chip Test
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AI
DOI：10.1109/TC.2024.3457732.png)
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Abstract
En 中文
On-line test of NoC is essential for its reliability. This paper proposed an integral test solution for on-line test of NoC to reduce the test cost and improve the reliability of NOC. The test solution includes a new partitioning method, as well as a test method and a test schedule which are based on the proposed partitioning method. The new partitioning method partitions the NoC into a new type of basis unit under test (UUT) named as interdependent components based unit under test (iDC-UUT), which applies component test methods. The iDC-UUT have very low level of functional interdependency and simple physical connection, which results in small test overhead and high test coverage. The proposed test method consists of DFT architecture, test wrapper and test vectors, which can speed-up the test procedure and further improve the test coverage. The proposed test schedule reduces the blockage probability of data packets during testing by increasing the degree of test disorder, so as to further reduce the test cost. Experimental results show that the proposed test solution reduces power and area by 12.7% and 22.7% over an existing test solution. The average latency is reduced by 22.6% to 38.4% over the existing test solution.
Keywords:
Costs
Built-in self-test
Schedules
Routing
Computers
Vectors
Topology
Network-on-chip
reliability
online test
design-for-test
Journal
IF:
3.8
Papers:
5.4K
Citations:
9.8K
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