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At-speed Interconnect Test Controller for SoC with Multiple System Clocks and Heterogeneous Cores  

Jang Yeonsil (Department of Computer Science & Engineering, Hanyang Univ.)
Lee Hyunbin (Department of Computer Science & Engineering, Hanyang Univ.)
Shin Hyunchul (Department of Electronical Engineering Computer Science, Hanyang Univ.)
Park Sungju (Department of Electronical Engineering Computer Science, Hanyang Univ.)
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Abstract
This paper introduces a new At-speed Interconnect Test Controller (ASITC) that can detect and diagnose dynamic as well as static defects in an SoC. SoC is comprised of IEEE 1149.1 and P1500 wrapped cores which can be operated by multiple system clocks. In other to test such a complicated SoC, we designed a interface module for P1500 wrapped cores and the ASITC that makes it possible to detect interconnect delay faults during 1 system clock from launching to capturing the transition signal. The ASITC proposed requires less area overhead than other approaches and the operation was verified through the FPGA implementation
Keywords
ASITC; at-speed; EXTEST; IEEE 1149.1; P1500;
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  • Reference
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