An improved bidirectional SCR structure for low-triggering ESD protection applications

被引:50
作者
Liu, Zhiwei [1 ]
Vinson, Jim [2 ]
Lou, Lifang [1 ]
Liou, Juin J. [1 ,3 ]
机构
[1] Univ Cent Florida, Sch Elect Engn & Comp Sci, Orlando, FL 32816 USA
[2] Intersil Corp, Corp Proc Reliabil Grp, Palm Bay, FL 32905 USA
[3] Zhejiang Univ, Dept Informat & Elect Engn, Hangzhou 310027, Peoples R China
关键词
bidirectional electrostatic discharge (ESD) protection; holding voltage; latch-up immunity; triggering voltage;
D O I
10.1109/LED.2008.917111
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
An improved dual-polarity silicon-controlled rectifier (SCR) device has been proposed and realized in a 0.6-mu m bipolar complementary metal-oxide-semiconductor process. The device can be used to protect electrostatic discharge (ESD) in both the positive and negative directions on pins with a voltage range that goes below ground. Comparing with the conventional bidirectional SCR structures, the new device is more suitable for low-voltage integrated circuit ESD protection applications because it possesses a smaller trigger voltage, a smaller leakage current, and a larger holding voltage.
引用
收藏
页码:360 / 362
页数:3
相关论文
共 4 条
[1]   A LOW-VOLTAGE TRIGGERING SCR FOR ON-CHIP ESD PROTECTION AT OUTPUT AND INPUT PADS [J].
CHATTERJEE, A ;
POLGREEN, T .
IEEE ELECTRON DEVICE LETTERS, 1991, 12 (01) :21-22
[2]   A novel dual-polarity device with symmetrical/asymmetrical S-Type I-V characteristics for ESD protection design [J].
Salcedo, JA ;
Liou, JJ .
IEEE ELECTRON DEVICE LETTERS, 2006, 27 (01) :65-67
[3]   High holding voltage cascoded LVTSCR structures for 5.5-V tolerant ESD protection clamps [J].
Vashchenko, VA ;
Concannon, A ;
ter Beek, M ;
Hopper, P .
IEEE TRANSACTIONS ON DEVICE AND MATERIALS RELIABILITY, 2004, 4 (02) :273-280
[4]   On a dual-polarity on-chip electrostatic discharge protection structure [J].
Wang, AZH ;
Tsay, CH .
IEEE TRANSACTIONS ON ELECTRON DEVICES, 2001, 48 (05) :978-984