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On-Chip Multi-Channel Monitoring for Analog Circuit Diagnosis in Systems-on-Chip Integration

Koichiro NOGUCHI, Takushi HASHIDA, Makoto NAGATA

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Summary :

A highly multi-channel on-chip signal monitor and off-chip waveform acquisition processor established analog circuit diagnosis against environmental disturbances in SoC. An array of 53 distributed probes followed by a single shared waveform acquisition kernel is embedded in a 0.18-µm CMOS experimental on-chip test bench. In combination with the off-chip processor materialized in FPGA and a host PC, fully automated on-chip waveform monitoring achieves high-throughput data acquisition of 300 ms per sample point with adaptive 10-bit timing and voltage resolutions at a minimum LSB of 100 ps and 400 µV, respectively. Analog signals of interest in a 1.5-bit conversion stage of a pipeline ADC were evaluated in terms of their response to substrate noises that globally existed in a chip. On-chip diagnosis derives in-depth findings relating to dynamic, large-signal, and sensitive behaviors of analog circuits in a real SoC environment, far beyond simulations with inevitably limited capacity.

Publication
IEICE TRANSACTIONS on Electronics Vol.E90-C No.6 pp.1189-1196
Publication Date
2007/06/01
Publicized
Online ISSN
1745-1353
DOI
10.1093/ietele/e90-c.6.1189
Type of Manuscript
Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
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