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如何去仿真一个反相器去得到它的等效电阻电容。& M( E) x+ j( ]9 P: X' P( Z
现在由于论文需要,且只需要得到反相器的等效电阻电容的模型参数。不需要提供小信号模型那样精确的模型。我能不能这样仿真。' G* V0 A D) |0 [% S. g
对于45nm反相器其网表为
, e) d% j- i7 y: D- B* [Inverter Circuit
* E' b- j3 e, v8 l0 y+ N7 F) X.OPTIONS LIST NODE POST
( x# N2 H3 P, `1 P; jvdd vdd 0 0.6v& ?, u. ~/ s p. \4 O
M1 OUT IN Vdd Vdd PCH L=65n W=130n
6 v' K3 D3 y1 K8 u' L4 `M2 OUT IN 0 0 NCH L=65n W=65n j* s6 k- V' P
VIN IN 0 0 PULSE 0 0.6 0.01N 0.01N 0.01N 0.0334N 0.1n
v' c; A/ n1 z3 a*VIN IN 0 PWL(0,0,0.01n,0.6v,0.0434,0.6v,0.0534n,0,0.0.0868n,0)
1 {2 J' q0 }: K# F9 HCLOAD OUT 0 cpar
* d6 X) X- g7 t: o+ N j.param cpar=0.05f
( r5 b, d# w. E1 W/ V.MODEL PCH PMOS LEVEL=1
/ V: \* P1 S) R/ E6 r4 m.MODEL NCH NMOS LEVEL=1
/ @: \% v0 \: J; x.TRAN 0.01n 0.1N sweep cpar 0.01f 0.1f 0.03f6 F% p$ u, c* S. C
.PRINT TRAN V(IN) V(OUT)9 {; ^7 E8 h( ]0 [. L* N
.END" @" j$ c" ?) @' x3 j" s
请问能否根据这样得到的输入输出信号波形来得到等效电阻电容。 |
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