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The Designer's Guide Community Forum › Design › Analog Design › vt (Threshold Voltage) dependence on W, L of MOS
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vt (Threshold Voltage) dependence on W, L of MOS (Read 5638 times)
ram
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vt (Threshold Voltage) dependence on W, L of MOS
Oct 30th, 2003, 1:06am  
Hi,

Does Vt of a MOS transistor dependent on W and L? If yes what relation??

If any website has this information please let me know.

Thanks and Regards
ram
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Paul
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Re: vt (Threshold Voltage) dependence on W, L of M
Reply #1 - Oct 30th, 2003, 1:32am  
Yes, there is. Check in a good text book on MOS devices, e.g

Y.Tsividis, Operation and Modeling of The MOS Transistor

Paul
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ram
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Re: vt (Threshold Voltage) dependence on W, L of M
Reply #2 - Oct 30th, 2003, 3:02am  
Thanks for the reply. I will look for that book.

Regards
ram
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skippy
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Re: vt (Threshold Voltage) dependence on W, L of M
Reply #3 - Oct 31st, 2003, 1:44pm  
Another excellent reference is:

Fundamentals of Modern VLSI Devices
Y. Taur, T. H. Ning
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kokabanga
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Re: vt (Threshold Voltage) dependence on W, L of M
Reply #4 - Jun 22nd, 2004, 11:18am  
http://www-inst.eecs.berkeley.edu/~ee130/SP03/lecture.html
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wolf
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Re: vt (Threshold Voltage) dependence on W, L of M
Reply #5 - Jun 30th, 2004, 2:35am  

http://legwww.epfl.ch/ekv/model.html#doc
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Raul
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Re: vt (Threshold Voltage) dependence on W, L of M
Reply #6 - Mar 19th, 2006, 9:24pm  
very short channel devices exhibit a decrease in Vt. Some process nodes add special implants to minimize this problem and lower leakage.
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regards, Raul Perez
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