想想如果一个芯片隔一会必须断电一次,那谁受得了,所以这个latch up一定要消除才行。我就讲一讲目前我所能理解的集中消除latch up的方法。 第一,从源头出发,既然latch up的发生来自于扰动,那我们就尽量消除这个扰动对我们cell的影响。我这里所谓的扰动,基本都是来自于静电,所以越靠近IO的cell越要注意latch up的问...
designers could either move the N-type device and P-type devices apart, increasing the anode to cathode spacing of the parasitic SCR structure, or add more well taps to reduce well tap spacing, reducing the parasitic well resistance, because larger well resistance could promote latch-up triggerin...
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latch-up(闩锁效应)与集成运放.ppt,一、差动放大电路 找出偏置电路 简化电路、分解电路 基于比例电流源的多路电流源 多集电极管构成的多路电流源 MOS管多路电流源 有源负载的差分放大电路 简化电路、分解电路 输入级的分析 输入级的分析 中间级的分析 输出级的分析 判断同
There are also many times when the app is open I put the phone up to the lock and it doesn’t do anything yet there isn’t an error or anything and this happens on the Apple Watch as well. I also get the “open the latch app on your phone to use” oftentimes when I go for ...
Well, it’s looks like we’re up of time. And, if you’re have any questions you can always buy mine book, it’s title of: “NewsLatch presents latchTalks presents: “You Brain and You: An Book!” [Applause.] That was our firsts ever cast of latchTatch.edu! We’re hoped you...
由于寄生产生闩锁效应,形成寄生npn,pnp型双极晶体管,又由于寄生电阻R2,R3的存在,形成正反馈放大回路。将电流不断放大,导致电源和地之间形成极大导通电流,烧坏整个芯片。 二、闩锁效应解决办法 1.为使闩锁效应不再发生,应当使R2,R3足够的小,通过添加well tap实现,如下图。
The process involves determining the resistance between each junction and the closest appropriate tap in a regular shaped well. Each junction occurring in an irregular-shaped well is also identified. Finally, the method may make suggestions for lowering the probability that single event latch-up may...
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