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
* `% N+ e% S: r/ `8 u3 X

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semico_ljj

Abstract -- The diode operated in forward-biased condition has
+ T- ~1 B( E# ^- ~7 m' ~been widely used as an effective on-chip ESD protection device at
GHz RF and high-speed I/O pads due to the small parasitic
0 D6 v2 Y* d4 floading effect and high ESD robustness in CMOS integrated
& d! t! q+ b1 K" ^, I# Pcircuits (ICs). This work presents new ESD protection diodes
realized in the octagon, waffle-hollow, and octagon-hollow layout
8 Q4 x' v: O  g  T0 J$ |5 ustyles to improve the efficiency of ESD current distribution and
to reduce the parasitic capacitance. The new ESD protection
diodes can achieve smaller parasitic capacitance under the same
0 V, k' a8 e! c# y9 N/ Y/ V9 UESD robustness level as compared to the waffle diode. Therefore,
* U% M* g; V( r: Xthe signal degradation of GHz RF and high-speed transmission
can be reduced due to smaller parasitic capacitance from the new
proposed diodes.

xp212125o

看起來有幫助
感謝分享
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thank you ~

linyuejing

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) l1 y  I. J) o3 H- `) ^! L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
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

( J7 m; H5 k) |$ f2 B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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~只有站在巨人的肩膀上才不會被食人族吃了!