@inproceedings{6aabb562b506422eb13f3bdaf97c5468,
title = "Evaluation of energy-efficient latch circuits with hybrid tunneling FET and FinFET devices for ultra-low-voltage applications",
abstract = "In this paper, we investigate the hybrid TFET-FinFET latch circuits and compare the clock-to-Q delay, dynamic energy, leakage power and energy-delay product (EDP) with all FinFET and all TFET implementations in near-threshold region. We use atomistic 3D TCAD mixed-mode simulations for transistor characteristics and HSPICE circuit simulations with look-up table based Verilog-A models calibrated with TCAD simulation results. Four types of latch circuits are evaluated, including standard clocked CMOS latch (SCCL), low-voltage C2MOS latch (LVCL), master-slave transmission-gate latch pair (MTLP) and pulse-triggered latch (PTL). In the hybrid design, TFETs are used for critical path to reduce the clock-to-Q delay, and FinFETs are used for the rest of the circuits to reduce the power consumption. The hybrid latch circuits are shown to offer comparable or better clock-to-Q delays while exhibiting superior EDP compared with all TFET implementations. Among the four types of latch circuits, the hybrid TFET-FinFET LVCL exhibits the most significant clock-to-Q delay and EDP improvements at low operating voltage (< 0.30V). With work function variation (WFV) and fin line-edge roughness (LER), the hybrid LVCL exhibits superior and comparable EDP variability compared with all FinFET and all TFET implementations at 0.25V.",
keywords = "FinFET, Verilog-A model, fin line-edge roughness, hybrid circuit, latch, tunneling FET, work function variation",
author = "Wu, {Tse Ching} and Chen, {Chien Ju} and Chen, {Yin Nien} and Hu, {Vita Pi Ho} and Pin Su and Chuang, {Ching Te}",
year = "2016",
month = feb,
day = "12",
doi = "10.1109/SOCC.2015.7406978",
language = "English",
series = "International System on Chip Conference",
publisher = "IEEE Computer Society",
pages = "339--344",
editor = "Karan Bhatia and Thomas Buchner and Danella Zhao and Ramalingam Sridhar",
booktitle = "Proceedings - 28th IEEE International System on Chip Conference, SOCC 2015",
address = "美國",
note = "28th IEEE International System on Chip Conference, SOCC 2015 ; Conference date: 08-09-2015 Through 11-09-2015",
}