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Content Provider | IEEE Xplore Digital Library |
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Author | Satapathy, S. Won Ho Choi Xiaofei Wang Kim, C.H. |
Copyright Year | 2015 |
Description | Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of Minnesota, Minneapolis, MN, USA (Satapathy, S.; Won Ho Choi; Xiaofei Wang; Kim, C.H.) |
Abstract | Bias Temperature Instability (BTI) under sub-microsecond DVFS transients manifests as instantaneous frequency degradation and recovery that has been predicted in past literature but has never been experimentally verified due to difficulty in obtaining high quality data. This work demonstrates a new odometer circuit specifically designed to measure the aforementioned effect. The basic idea is to use multiple fresh reference ring oscillators (ROSCs), which alternately take measurements to minimize any degradation in the reference ROSC's frequency and thereby enhancing the sampling time as well as the sampling resolution. Measurements from a 65nm test chip show excellent were taken under different voltage supply, temperature, stress time duration, and supply ramp time. |
File Size | 452133 |
File Format | |
ISBN | 9781467373623 |
ISSN | 19381891 |
DOI | 10.1109/IRPS.2015.7112757 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2015-04-19 |
Publisher Place | USA |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Voltage measurement Degradation Semiconductor device measurement Time-frequency analysis Stress Temperature measurement on-chip monitor BTI revolving reference odometer stress recovery fast DVFS guard band |
Content Type | Text |
Resource Type | Article |
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