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minimal threshol value (Read 1952 times)

analogue_guy Community Member Offline Posts: 38	minimal threshol value May 12^th, 2009, 1:42pm Hi all, Can anyone collect the guidelines how to size a transistor in order to have the minimum threshold value? like effect of the gate length, effect of the number of foldings... cheers
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raja.cedt Senior Fellow Offline Posts: 1516 Germany	Re: minimal threshol value Reply #1 - May 12^th, 2009, 7:31pm hi, � i guess it wont depend on the no of foldings but according to short channel effects vth will decrease with length (but if you have pocket holo's in your transistor,at very small length because of reverse short channel effect �vth will increase with decrease in length) Thanks, Rajasekhar.
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Berti Community Fellow Offline Posts: 356	Re: minimal threshol value Reply #2 - May 12^th, 2009, 10:36pm Quote: i guess it wont depend on the no of foldings It depends on the technology, but due to STI induced stress the threshold voltage will depend on the number of fingers (distance of gate to STI). The vt of a PMOS will be lower in the presence of STI stress. For NMOS it is the other way. Cheers
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