Layout Optimization on ESD Diodes for Giga-Hz RF and High-Speed I/O Circuits

semico_ljj

Layout Optimization on ESD Diodes for Giga-Hz RF and High-Speed I/O Circuits
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semico_ljj

Abstract -- The diode operated in forward-biased condition has
7 a# f! u+ O7 [. T2 ^been widely used as an effective on-chip ESD protection device at
5 e, D' m4 B5 L) dGHz RF and high-speed I/O pads due to the small parasitic
3 C# M- w4 {4 N" ~% T+ zloading effect and high ESD robustness in CMOS integrated
8 s; ~5 ~# ]* u$ f; {0 d6 lcircuits (ICs). This work presents new ESD protection diodes
- N! x: f! A/ e6 t& Brealized in the octagon, waffle-hollow, and octagon-hollow layout
styles to improve the efficiency of ESD current distribution and
+ [, R1 e' \; wto reduce the parasitic capacitance. The new ESD protection
diodes can achieve smaller parasitic capacitance under the same
ESD robustness level as compared to the waffle diode. Therefore,
9 @0 f5 N8 H0 ]: `the signal degradation of GHz RF and high-speed transmission
; z2 w! b* }/ x3 v! G. `can be reduced due to smaller parasitic capacitance from the new
9 Y# X- M- [( A# Jproposed diodes.

xp212125o

看起來有幫助
感謝分享
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& N+ A; S4 ?- ^& @1 v" p+ `thank you ~

linyuejing

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應該有幫助
謝謝囉

caesarxl

谢谢楼主分享，非常感谢

oika_51

看起來有幫助
% b* q  F% i9 O. @感謝分享

linger809

Abstract -- The diode operated in forward-biased condition has
been widely used as an effective on-c ...
semico_ljj 發表於 2010-6-25 08:50 AM

% E* _, ~# N9 P: c4 y3 Y2 ]不知道这种形式的ＩＯ有没有经过测试，实际的效果和预想的有多少的差别，thanks!

oscargo

正為ESD耐受度傷腦筋----

zhifj86

thank you very much for your sharing

sslin

謝謝大大的分享~~知識因分享而壯大！
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/ n8 [# R3 y/ R~只有站在巨人的肩膀上才不會被食人族吃了!