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source 总是出现以下问题，描述的时候已经说了是接地的了啊，为什么还是会当作断开的呢？
6 N& Q% F* w4 t6 yCircuit: *Main mtcoms file7 k# t) y' A! c4 E1 }
# x/ `, m8 V4 L9 o/ gWarning: There are nodes with less than 2 connections.& {$ E, s8 o. f/ A8 E1 L
The table of nodes with less than 2 connections is generated after sourcing.... H9 W- J8 d7 j L& P/ i& m
9 x6 C3 x6 C% `2 {% x; H7 A/ f+ | O5 c* [2 c
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***warning***: the following singular supplies were terminated to 1 meg resistor
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supply node1 node2' |' `" a# j& C, s" T5 z) ?
vdd vdd 0/ h4 v: F! y. m: s" i+ {( {
v1 a 0
1 J6 J( `8 c$ q$ {+ p3 rv2 b 0' ]: m3 N9 h, |! g# [ B
v3 sl 0
^3 j& y; k) D8 H- _
, ]) X" G; [- |9 j; s0 r/ N L4 k7 ]2 ? ]) V- v" Y
The following nodes have less than 2 connections:# h0 q7 k/ n4 y. a, K5 Z! q) Z5 A
-------------------------------------------------------------------------------------
{ v& A* t( E i: W& C' A9 W| sl | b | a | vdd |! Y" k$ D, }, z3 u3 Q4 t- d
-------------------------------------------------------------------------------------6 P9 O4 k# M) ]# H+ \
一个描述netlist的文件：+ J+ r$ L! \8 j
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$ {9 A. p( |9 M. [8 m* SPICE export by: S-Edit 15.130 }" Z' k/ o# C4 P; A
* Export time: Tue Jun 12 11:15:52 2012
- C! j# C, c" N$ A* Design: mtcoms. ]" F. C1 k* V* C/ _- N& T. u/ n
* Cell: Cell0" v9 L/ V0 V% p" x- f, Y2 ]
* Interface: VResistor
4 E. }' W' M' @2 Y* View: VResistor# D# T. _2 s0 W( Z
* View type: connectivity* T1 }4 V- j, \3 m! t3 i o2 F
* Export as: top-level cell9 R. }3 }" J0 V* v% N
* Export mode: hierarchical
! F. y( o+ \ R+ R$ V* Exclude empty cells: no
/ I& s1 a: M, j0 J, W6 J* Exclude .model: yes* r P* U6 e0 [+ a/ U& Q) [) ?
* Exclude .end: no
+ B! q9 I/ c9 X! v1 j7 e* Exclude simulator commands: no
. e- q* T- j* v* Expand paths: yes
8 \" f& ^ c7 A/ L2 @* Wrap lines: 80 characters8 [$ |. G/ T( o) F c! R# l
* Root path: \\en-file\users\houx\Profile\Desktop\ankun_dong hw2\mtcoms: q! r# i$ U6 { \: }- D0 I! C
* Exclude global pins: no" N9 p4 K" l$ K" Y' d
* Exclude instance locations: no1 ~) ]. r8 W; y& l% Q
* Control property name: SPICE
/ K6 x# _1 X$ s3 w w5 M, V2 U
" }7 w* _4 | ]! m1 y5 B% H********* Simulation Settings - General Section *********" \$ e+ F4 B: n2 Y: I6 ]
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*************** Subcircuits ***************** q/ y1 T7 c8 A( a e1 F) B z
.subckt INV A Out Gnd Vdd , g: l0 u$ ~" F" `4 ?/ s: y( ~3 S
* V: E1 I+ ]. f- O1 R
*-------- Devices With SPICE.ORDER < 0.0 --------4 R3 \& _' G6 u
* Design: LogicGates / Cell: INV / View: Main / Page: 5 }. |: {% |8 N$ B
* Designed by: Tanner EDA Library Development Team
% G. u3 ^" o' p. l' I* Organization: Tanner EDA - Tanner Research, Inc.# y. O, B, V( J7 d( E
* Info: Inverter! `( C( e( ~- W' v8 I0 J4 Z
* Date: 06/13/07 16:17:11
8 Y' s7 P9 l; V* N! d, c1 I5 N* Revision: 3 $ $x=7600 $y=600 $w=3600 $h=1200
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*-------- Devices With SPICE.ORDER > 0.0 -------- o$ K5 j; G' D( k
MN1 Out A Gnd 0 NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=4600 $y=2600 % D6 U5 n; a' ^
+$w=400 $h=6000 ~5 V% @% i- O& G+ ?; [- G
MP1 Out A Vdd Vdd PMOS W=2.5u L=250n M=2 AS=1.5625p PS=3.75u AD=2.25p PD=6.8u $ 6 L5 y0 w8 W" ]! V
+$x=4600 $y=3600 $w=400 $h=6004 O! o6 q! r' c3 I% \
.ends
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*-------- Devices With SPICE.ORDER == 0.0 --------
) a |8 |' B5 v0 v) N7 P***** Top Level *****$ @0 ]' u& g# Y j" |' ^; k
XINV_1 SL N_2 Gnd Vdd INV $ $x=350 $y=-2300 $w=900 $h=600
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" L! U1 R s3 [, j, f% Z*-------- Devices With SPICE.ORDER > 0.0 --------' m) y H" H g
CCapacitor_1 VDDV Gnd 1p $ $x=3100 $y=-400 $w=400 $h=600! \7 P/ g/ \( [9 z( y/ S! e$ o
CCapacitor_2 GNDV Gnd 1p $ $x=3100 $y=-2500 $w=400 $h=600
9 r& I! ?& y7 h. }$ _MNMOS_1 Out A N_1 N_1 NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100
7 {* i- r1 W Z; D( g" l+$y=-800 $w=400 $h=6004 G: M" H8 G# C% {! x$ {: R
MNMOS_2 N_1 B GNDV GNDV NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100
$ n# p U! M! S- p! Z3 @+$y=-1500 $w=400 $h=600' h9 t6 y. T) y" C# q% D' l. m' a
MNMOS_3 GNDV N_2 Gnd Gnd NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $
8 a' O0 V+ @5 C& p) s+$x=1100 $y=-2300 $w=400 $h=600
) f8 F0 Y# m1 p# |: q; bMPMOS_1 Out A VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=300
6 j9 K& h8 Z4 d+$y=-200 $w=400 $h=6006 z' _+ x# d# P+ ^% Y# x5 j5 y: p
MPMOS_2 Out B VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1900 i# @; q/ \, V$ `* G4 i9 C
+$y=-200 $w=400 $h=600 P( c# n$ F, W4 {5 [! j+ O
MPMOS_3 VDDV SL Vdd Vdd PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100 5 @ [3 a: F! Y7 w
+$y=700 $w=400 $h=600/ [$ }1 @& ~, x' F+ |' P* Q* i3 m; u
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********* Simulation Settings - Analysis Section *********
1 m+ K7 n; k" J0 ^.op
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. V* P6 B, r6 V8 H+ i8 M3 A********* Simulation Settings - Additional SPICE Commands *********+ w0 E" a- x! m P
7 s3 |5 |8 o4 g) |: E- ~" V. I.end- p* q2 j: X5 L8 ?" i
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发表于 2012-6-13 02:27
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反对！
发表于 2012-6-19 11:03