Adaptive performance compensation with in-situ timing error predictive sensors for subthreshold circuits

H Fuketa, M Hashimoto, Y Mitsuyama… - IEEE Transactions on …, 2011 - ieeexplore.ieee.org
We present an adaptive technique for compensating manufacturing and environmental
variability in subthreshold circuits using “canary flip-flop (FF),” which can predict timing …

Method and apparatus for monitoring timing of critical paths

T Gemmeke, M Konijnenburg - US Patent 8,860,502, 2014 - Google Patents
An apparatus for monitoring timing of a plurality of critical paths of a functional circuit
includes a plurality of canary circuits, each configured to be coupled to a critical path of a …

Stochastic error rate estimation for adaptive speed control with field delay testing

S Iizuka, M Mizuno, D Kuroda… - 2013 IEEE/ACM …, 2013 - ieeexplore.ieee.org
This paper proposes a stochastic framework for error rate estimation that models adaptive
speed control as a continuous-time Markov process and derives its transition rates using …

Stochastic timing error rate estimation under process and temporal variations

S Iizuka, Y Masuda, M Hashimoto… - 2015 IEEE International …, 2015 - ieeexplore.ieee.org
Reducing design and operational margin is a key factor that makes fabricated chips
competitive in terms of speed and power consumption. On the other hand, a smaller margin …

Adaptive performance compensation with in-situ timing error prediction for subthreshold circuits

H Fuketa, M Hashimoto, Y Mitsuyama… - 2009 IEEE Custom …, 2009 - ieeexplore.ieee.org
This paper presents an adaptive technique for compensating manufacturing and
environmental variability in subthreshold circuits using ldquocanary Flip-Floprdquo that can …

Vertical vergence calibration for augmented reality displays

MA Livingston, SR Ellis, SM White… - IEEE Virtual Reality …, 2006 - ieeexplore.ieee.org
Stereo and bi-ocular head-mounted displays (HMDs) require the user to fuse two images
into a coherent picture of the threedimensional world. The human visual system performs …

Tuning-friendly body bias clustering for compensating random variability in subthreshold circuits

K Hamamoto, M Hashimoto, Y Mitsuyama… - Proceedings of the 2009 …, 2009 - dl.acm.org
Post-fabrication tuning for mitigating manufacturing variability is receiving a significant
attention. To reduce leakage increase involved in performance compensation by body …

Multicore power management utilizing error-predicting flip-flop

T Sato, T Yoshiki, T Hayashida - 2011 International Conference …, 2011 - ieeexplore.ieee.org
Multicore processor is one of the promising techniques to satisfy computing demands of the
future consumer devices. Dynamic voltage scaling (DVS) technique is a mature power …

Applications of adaptive microelectronic circuits that are designed for testability

L Koskinen, N Gupta, J Simonsson - US Patent 12,085,611, 2024 - Google Patents
The performance of a microelectronic circuit can be configured by making an operating
parameter assume an operating parameter value. An operating method comprises …

Run-time adaptive performance compensation using on-chip sensors

M Hashimoto - 16th Asia and South Pacific Design Automation …, 2011 - ieeexplore.ieee.org
This paper discusses run-time adaptive performance control with on-chip sensors that
predict timing errors. The sensors embedded into functional circuits capture delay variations …