Recovery of PMOSFET NBTI under different conditions
Cao Yan-Rong†a),b), Yang Yia), Cao Chenga), He Wen-Longa), Zheng Xue-Fengb), Ma Xiao-Huac), Hao Yueb)
       
Two cycles of NBTI degradation stages: (a) the device threshold voltage shifts and (b) the normalized threshold voltage shifts.