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latch up in input output pad layout

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shiva

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hi
how can we cop with latchup problem in input output pad layout.
 

Syukri

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Yes...but usallly it's not that sensitif...at the pad the voltage vdd and gnd is clearly define
 

manissri

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by making the layout of pads very accuratly and puting the guard ring in all diods and wells ..
 

williamy

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firstly, you must comply to the rules of design;
and you can add the space between the well's overlap to well contact
 

mpkp123

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Increase the no. of substrate contacts and decrease the distance at which they are placed for different devices.
 

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