Re: [問題] layout的電容計算(P幣500)
※ 引述《ROSE13 (ROSE)》之銘言:
: 圖:
: http://tinyurl.com/5reh94
: For a saturated NMOS device having W=50um,L=0.5um,calculate all
: of the capacitances. Assume the minium(lateral) dimension of the
: S/D areas is 1.5um and the device is filded as shown in 圖b
: 應該是要計算Cdb,Csb,Cgd,Cgs
: 500 P幣不誠敬意,萬請大大幫忙!感謝
接面電容剛好例題有..不過我不會算= =
寫公式出來
for (a)
Cdb=Csb=WECj+2(W+E)Cjsw
for (b)
Cdb=(W/2)*ECj + 2(W/2 + E)Cjsw
Csb=2[(W/2)*ECj+ 2(W/2 + E)Cjsw]
=WECj+2(w+2E)Cjsw
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06/25 10:52, , 1F
06/25 10:52, 1F
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