Silicon odometers: Compact in situ aging sensors for robust system design

X Wang, J Keane, TTH Kim, P Jain, Q Tang… - IEEE micro, 2014 - ieeexplore.ieee.org
Circuit reliability issues such as bias temperature instability, hot carrier injection, time-
dependent dielectric breakdown, electromigration, and random telegraph noise have …

NBTI degradation: From transistor to SRAM arrays

V Huard, C Parthasarathy, C Guerin… - 2008 IEEE …, 2008 - ieeexplore.ieee.org
A novel composite model had been recently introduced to physically explain the mean
pMOS threshold voltage shift (V TP) induced by NBTI degradation at transistor level in a …

Effect of BTI degradation on transistor variability in advanced semiconductor technologies

S Pae, J Maiz, C Prasad… - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
The effect of PMOS transistor negative bias temperature instability (NBTI) on product
performance is a key reliability concern. As technology scales and device dimensions …

Universality of NBTI-From devices to circuits and products

S Mahapatra, V Huard, A Kerber… - 2014 IEEE …, 2014 - ieeexplore.ieee.org
This paper showcases the universality of NBTI and its dependencies on time, bias,
temperature, AC frequency and pulse duty cycle across different process integration …

SRAM-based NBTI/PBTI sensor system design

Z Qi, J Wang, A Cabe, S Wooters, T Blalock… - Proceedings of the 47th …, 2010 - dl.acm.org
NBTI has been a major aging mechanism for advanced CMOS technology and PBTI is also
looming as a big concern. This work first proposes a compact on-chip sensor design that …

Development of a technique for characterizing bias temperature instability-induced device-to-device variation at SRAM-relevant conditions

M Duan, JF Zhang, Z Ji, WD Zhang… - … on Electron Devices, 2014 - ieeexplore.ieee.org
SRAM is vulnerable to device-to-device variation (DDV), since it uses minimum-sized
devices and requires device matching. In addition to the as-fabricated DDV at time-zero …

SRAM variability and supply voltage scaling challenges

R Kapre, K Shakeri, H Puchner… - 2007 IEEE …, 2007 - ieeexplore.ieee.org
We have developed a methodology for SRAM cell design that unifies all the major design
criterion-cell stability, write margin, read speed and leakage into a single metric. This metric …

A 32 nm high-k metal gate SRAM with adaptive dynamic stability enhancement for low-voltage operation

P Kolar, E Karl, U Bhattacharya… - IEEE journal of solid …, 2010 - ieeexplore.ieee.org
SRAM bitcell design margin continues to shrink due to random and systematic process
variation in scaled technologies and conventional SRAM faces a challenge in realizing the …

A comprehensive and critical re-assessment of 2-stage energy level NBTI model

S Gupta, B Jose, K Joshi, A Jain… - 2012 IEEE …, 2012 - ieeexplore.ieee.org
The two stage aka four energy level NBTI model has been comprehensively re-evaluated by
investigating its predictive capabilities beyond the ultra-short stress duration for which it was …

An SRAM Reliability Test Macro for Fully Automated Statistical Measurements of Degradation

TTH Kim, W Zhang, CH Kim - IEEE Transactions on Circuits and …, 2011 - ieeexplore.ieee.org
Negative bias temperature instability (NBTI) has been considered as a main reliability issue
in SRAMs since the threshold voltage degradation of PMOS transistors due to NBTI has …