Simulation-Based Study of Hybrid Fin/Planar LDMOS Design for FinFET-Based System-on-Chip Technology

被引:27
|
作者
Wu, Yi-Ting [1 ]
Ding, Fei [2 ]
Connelly, Daniel [2 ]
Zheng, Peng [2 ]
Chiang, Meng-Hsueh [1 ]
Chen, Jone F. [1 ]
Liu, Tsu-Jae King [2 ]
机构
[1] Natl Cheng Kung Univ, Dept Elect Engn, Inst Microelect, Tainan 701, Taiwan
[2] Univ Calif Berkeley, Dept Elect Engn & Comp Sci, Berkeley, CA 94720 USA
关键词
FinFET; input and output (I/O); lateral double-diffused MOSFET (LDMOS); reduced surface field (RESURF); system-on-chip (SoC); DEVICE;
D O I
10.1109/TED.2017.2736442
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A hybrid fin/planar lateral double-diffused MOSFET (LDMOS) design (hybrid FET) is proposed for the high-voltage input-output devices in a FinFET-based system-on-chip (SoC) technology. 3-D technology computer-aided design simulations show that a planar drift region and a planar drain region are advantageous for higher breakdown voltage (BV) to specific on-state resistance (R-on_sp) ratio (BV2/R-on_sp). By slightly extending the planar portion of the semiconductor active region into the gated channel region, the theoretical limit of BV2/R-on_sp for LDMOS can be surpassed. Hybrid FETs can be fabricated using a process flow that is compatible with the state-of-art FinFET SoC technology.
引用
收藏
页码:4193 / 4199
页数:7
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