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This paper discusses analysis and techniques for mitigating interference of an inductive-coupling inter-chip link. Electromagnetic interference from power/signal lines and to SRAM circuits was simulated and measured. In order to verify the interference, test chips were designed and fabricated using 65-nm CMOS technology. The measurement results revealed that: 1) interference from power lines depends on the shape of the power lines; 2) interference from signal lines can be canceled by increasing transmitter power by only 9%; and 3) interference with SRAM circuits is less important than other issues under ordinary conditions. Based on the measurement results, interference mitigation techniques are proposed and investigated.
Very Large Scale Integration (VLSI) Systems, IEEE Transactions on (Volume:19 , Issue: 10 )
Date of Publication: Oct. 2011