Re: IC高手麻煩幫忙解答一下
※ 引述《pow (體脂肪35%)》之銘言:
: Look for the column: K' (Uo*Cox/2)
: Also,
: In the SPICE models:
: U0: Channel mobility (unit:cm^2/V/s)
: TOX: gate oxide thickness (unit:m)
: You can calculate COX=Permittivity_of_OX / TOX
: *be careful of the units conversion
假如我在Spice的製程檔中找到
TOX = 4.08E-09
U0 = 0.04387662
COX = (3.9*8.854e-12) / TOX = 3.45e-10 / 4.08e-9 = 0.008463382
所以
K = 0.5 * U0 * COX = 0.5 * 0.04387662 * 0.008463382 = 0.000185672 = 185.672e-6
是這樣算的嘛?
還有請問各位高手在設計時會考慮LD跟Lambda的值嗎?
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