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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？9 O$ b4 ~" I l' e7 a! U% a
Circuit: *Main mtcoms file9 O/ A# }/ M- Y" |: @
6 ` P' _$ `: J( M R' {4 rWarning: There are nodes with less than 2 connections.. r' y( f* |- e2 M; C8 k5 z
The table of nodes with less than 2 connections is generated after sourcing...2 l) _ f! ]7 E e7 O
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***warning***: the following singular supplies were terminated to 1 meg resistor
8 ?8 j9 o6 E! U: u
4 K( ^ i8 V3 J$ t' p% p- u3 {( Msupply node1 node27 ]" H0 K- B8 @/ V* Y
vdd vdd 01 u: R2 P* G/ |: V
v1 a 0
7 Y, T, v5 P" B# ?2 Wv2 b 0
# S. L* N! u! U0 r6 e1 u$ Pv3 sl 0 e" d4 E6 }& d5 }% `+ o
, N/ z4 \7 o: x# o# E
, Z0 o1 D' ]6 l% D
The following nodes have less than 2 connections:# v) t" }, H8 R }9 b
-------------------------------------------------------------------------------------
7 q! q; q' c% Y3 J8 R| sl | b | a | vdd |
. p1 z# X! Q) a; ~6 s-------------------------------------------------------------------------------------, x* o+ ~7 t- j4 l+ h1 B
一个描述netlist的文件：7 B3 B6 r# h: l
7 E9 m/ ^. |+ b2 A3 D# k H& J5 R$ J0 [8 a3 {
* SPICE export by: S-Edit 15.13: R$ _( C0 a* o! H# F+ e
* Export time: Tue Jun 12 11:15:52 2012
" I( v% x- Z* w7 Q# X3 P [# g* Design: mtcoms
+ [& [7 y6 b" I0 t! B* Cell: Cell04 n2 Q, ^/ b& A' ^" Q2 `9 y
* Interface: VResistor
: S- _) z& s/ W: ^0 p* |! U* View: VResistor5 o1 W; C0 S" [/ \* f5 n
* View type: connectivity
8 U! c* U7 W }: C8 u& J# h/ J* Export as: top-level cell
( |7 O5 ?( J2 x* Export mode: hierarchical" V/ N7 b: U6 d$ T1 H+ ^( t9 B
* Exclude empty cells: no
7 h# [( o1 ~: i( c* E/ _$ L* Exclude .model: yes$ D( J3 I3 D, J
* Exclude .end: no7 D x; |, Z6 Y- ^
* Exclude simulator commands: no# B9 |) H$ d% Q; F
* Expand paths: yes
& s$ J1 G6 |( V! G3 i* Wrap lines: 80 characters
+ T" Q; o8 J( I1 c9 `# l* Root path: \\en-file\users\houx\Profile\Desktop\ankun_dong hw2\mtcoms
4 D8 ~$ a: `0 w5 G9 x* Exclude global pins: no
1 {2 D' ~& T) O( H5 s* Exclude instance locations: no
7 C0 R" [% k/ g2 y& P* Control property name: SPICE5 q9 b5 p+ U+ o; l: j6 ~# d$ B
) d6 U8 t: l3 H0 {
********* Simulation Settings - General Section *********# A) Z5 {0 Z1 P$ W4 L
' }1 y9 Y9 Z( t w0 o
*************** Subcircuits *****************9 z) `; @7 h$ G7 r. h
.subckt INV A Out Gnd Vdd 6 B7 }' d- K$ T7 i$ k
" u1 A7 e+ B0 D1 O2 H*-------- Devices With SPICE.ORDER < 0.0 --------: `1 z7 G' D( W3 b7 P3 v( l
* Design: LogicGates / Cell: INV / View: Main / Page: : [( F; M+ H- a5 T- A. }% q
* Designed by: Tanner EDA Library Development Team
$ z. @# v" [* i6 A& V' O* Organization: Tanner EDA - Tanner Research, Inc.
& _: ]( P( P# o, @% |* Info: Inverter
) O/ Z" G+ D) ]4 `7 d; S1 u* Date: 06/13/07 16:17:11
2 \" r0 L9 u' Y3 j" K4 U* Revision: 3 $ $x=7600 $y=600 $w=3600 $h=12006 _3 Y/ x0 k3 b8 y& ^/ ?9 W
) o- { s5 [8 o9 \4 u/ e$ G6 n*-------- Devices With SPICE.ORDER > 0.0 --------2 Z, {! g' N9 i
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 $y=2600
* y; K1 ]1 G+ _+ q+$w=400 $h=600' S- \& K/ K1 N
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 $
Z" W% h5 S$ Q- _- Z) s/ H+$x=4600 $y=3600 $w=400 $h=600! l/ G4 Z$ A, j& u* N- }
.ends! k/ v; F, K/ ]3 J' s) [) B
7 ]4 U; ~" ^ L, j
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*-------- Devices With SPICE.ORDER == 0.0 --------+ `+ T3 q( w; X$ \! N" a
***** Top Level *****
- x3 J8 G, K0 c9 v5 CXINV_1 SL N_2 Gnd Vdd INV $ $x=350 $y=-2300 $w=900 $h=600* B8 ^7 D# {/ ~6 T& Q
. }& W4 U2 @/ { N' F; a9 N2 P9 g*-------- Devices With SPICE.ORDER > 0.0 --------
# G1 [ @ K! X( U. y6 XCCapacitor_1 VDDV Gnd 1p $ $x=3100 $y=-400 $w=400 $h=600; f7 _) R$ p6 z! A, h+ v$ @5 S
CCapacitor_2 GNDV Gnd 1p $ $x=3100 $y=-2500 $w=400 $h=600$ _& H$ z1 t" y3 G: t0 z
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 $ $x=1100
1 y' W& B3 B2 G0 P% |+$y=-800 $w=400 $h=600
; @% K! z/ P2 J. VMNMOS_2 N_1 B GNDV GNDV NMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100
1 v% b8 {% N. B( z% F+$y=-1500 $w=400 $h=600
: k" P/ B, ?" I' k2 }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 $ 6 L6 I( [( x* T3 H1 [! k2 u
+$x=1100 $y=-2300 $w=400 $h=600
9 ~* Z) {1 \$ @2 \MPMOS_1 Out A VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=300
, q2 `/ r& u b2 k6 \+$y=-200 $w=400 $h=600
9 }. c% y9 V" E0 M% l+ p) V3 EMPMOS_2 Out B VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1900 : g( u. W2 I# z0 N2 W u
+$y=-200 $w=400 $h=600+ t/ b' o( u. A
MPMOS_3 VDDV SL Vdd Vdd PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100
9 [8 Y1 @( f) W' ]* e3 @8 D+$y=700 $w=400 $h=600
( W( I/ Y6 K3 \! x
* i) O# W, l4 } n; e2 J! ]8 o+ f********* Simulation Settings - Analysis Section *********7 u3 U: F0 ~- P* i0 V5 n
.op% G; I" e; A D @8 _
# e, S8 O# _: _********* Simulation Settings - Additional SPICE Commands *********1 e6 ~ H- |: `9 s* _0 x7 l
) D* D3 R$ t/ R% {1 L+ d/ n.end- o [7 }3 g' U1 e. ]* F m
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发表于 2012-6-13 02:27
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发表于 2012-6-19 11:03