Using a single input to support multiple scan chains
Proceedings of the 1998 IEEE/ACM international conference on Computer-aided design
Testing embedded-core based system chips
ITC '98 Proceedings of the 1998 IEEE International Test Conference
A structured and scalable mechanism for test access to embedded reusable cores
ITC '98 Proceedings of the 1998 IEEE International Test Conference
Reducing Test Application Time for Full Scan Embedded Cores
FTCS '99 Proceedings of the Twenty-Ninth Annual International Symposium on Fault-Tolerant Computing
Scan Vector Compression/Decompression Using Statistical Coding
VTS '99 Proceedings of the 1999 17TH IEEE VLSI Test Symposium
Frequency-Directed Run-Length (FDR) Codes with Application to System-on-a-Chip Test Data Compression
VTS '01 Proceedings of the 19th IEEE VLSI Test Symposium
A Reconfigurable Embedded Decompressor for Test Compression
DELTA '06 Proceedings of the Third IEEE International Workshop on Electronic Design, Test and Applications
Survey of Test Vector Compression Techniques
IEEE Design & Test
VLSI Test Principles and Architectures: Design for Testability (Systems on Silicon)
VLSI Test Principles and Architectures: Design for Testability (Systems on Silicon)
System-on-a-chip test-data compression and decompression architectures based on Golomb codes
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
A unified approach to reduce SOC test data volume, scan power and testing time
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Variable-length input Huffman coding for system-on-a-chip test
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
An efficient test vector compression scheme using selective Huffman coding
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
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With the nano-scale technology, an system-on-chip (SOC) design may consist of many reusable cores from multiple sources. This causes that the complexity of SOC testing is much higher than that of conventional VLSI chip testing. One of the SOC test challenges is the test data reduction. This paper presents a multi-code compression (MCC) technique to reduce the volume of test data and the test application time. A multi-code decompressor for recovering the compressed test data is also proposed. Experimental results show that the MCC scheme can achieve higher compression ratio than single-code compression schemes. The area cost of the proposed multi-code decompressor is small—only about 3498μm2 based on TSMC 0.18μm standard cell technology.