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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？' T8 l6 V0 C5 g
Circuit: *Main mtcoms file
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+ N [) S4 j5 V, s+ ?# q6 |; dWarning: There are nodes with less than 2 connections.
% z7 w5 O: `5 w) XThe table of nodes with less than 2 connections is generated after sourcing...
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/ l7 B( J' e9 F( U x
- M4 k F& t' I+ j; v***warning***: the following singular supplies were terminated to 1 meg resistor; o" `* Z5 y$ k3 d2 \, y4 t
4 s: W/ q: w2 Jsupply node1 node2) b" G9 v5 z2 x3 O
vdd vdd 0
j; }' W8 }8 T2 r0 ev1 a 0
$ {0 J; O! e0 ~% C1 j1 }v2 b 0- h X, ~% Y; S1 O& H
v3 sl 0" V: Z3 Y* V- _; T& ]5 J
+ w0 Z6 }# j8 ?2 e
7 p' k% [1 y A* I- M) z7 L d4 UThe following nodes have less than 2 connections:6 d! B( g7 B& q- U$ @/ q" \5 J
-------------------------------------------------------------------------------------& J' c% w7 Q' q c8 I
| sl | b | a | vdd |8 H. z0 g# V4 Y" ^
-------------------------------------------------------------------------------------
# e6 A7 y# M; a6 H: J/ o7 H' M一个描述netlist的文件：. G- L& ]4 a M' C9 `! \% I
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9 _2 O3 c7 H" a! `0 v* SPICE export by: S-Edit 15.13
: {, l0 d. F0 V: c* Export time: Tue Jun 12 11:15:52 2012# c) [" o) \ M3 j" D, R
* Design: mtcoms
5 j4 F* `( j" K1 G0 w3 u; Y& \* Cell: Cell00 ^' O. O6 N3 M
* Interface: VResistor
; L, v5 a. A0 H4 h+ D9 M9 A* View: VResistor/ R/ w4 |: D# F$ c& j7 i* |
* View type: connectivity
2 z9 c8 @$ u3 h1 `6 \* Export as: top-level cell ~, |1 A! x- S% n( b
* Export mode: hierarchical
% s0 s4 e" B& H8 u( M7 Q+ _. z4 d* Exclude empty cells: no
5 V' Y5 c/ l2 p! j: d8 t' N$ M* Exclude .model: yes8 _- {2 U7 X$ i. R
* Exclude .end: no
. E) q6 I; ~- N# }( `3 f t* Exclude simulator commands: no
- i% R4 _1 M4 ^0 b. [* Expand paths: yes* J; |# I. r6 _+ E9 `
* Wrap lines: 80 characters/ a2 P- N0 d2 l. Q$ F O
* Root path: \\en-file\users\houx\Profile\Desktop\ankun_dong hw2\mtcoms
$ `# B9 n7 V' x" C7 u* Exclude global pins: no
: ^- [6 w0 s: Q* C* Exclude instance locations: no
. q- t. a# d; {8 D9 l* Control property name: SPICE
) ?" [2 I( v7 M3 g$ O( k9 ^8 V7 h* L1 @0 C, B- J) a* r
********* Simulation Settings - General Section *********! k% b( ]( m$ Z
6 n4 k* K: x3 _" ~% }*************** Subcircuits *****************
% u! U/ g9 B" }5 v- c2 i.subckt INV A Out Gnd Vdd
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*-------- Devices With SPICE.ORDER < 0.0 --------
7 ~; ]4 h Z: b* Design: LogicGates / Cell: INV / View: Main / Page: " Z& E s0 Q1 E7 T4 d
* Designed by: Tanner EDA Library Development Team# H) n4 L6 X4 Z& t1 J2 k
* Organization: Tanner EDA - Tanner Research, Inc.
4 E6 e2 W- e. ~# p6 v* Info: Inverter
# x3 Q, L; Y2 X6 F# O) e" Y Y* Date: 06/13/07 16:17:11# ~+ @6 ^* W+ S1 O1 l/ }( F* [
* Revision: 3 $ $x=7600 $y=600 $w=3600 $h=1200
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*-------- Devices With SPICE.ORDER > 0.0 --------8 k) t+ b3 \/ \6 n3 k0 _! P" ?
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 $y=2600 6 @ E/ I" }( e, _! K
+$w=400 $h=600) n* _2 Y! y1 u- k% `( O
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 $ ; y/ I* O- f+ e9 A' h0 H
+$x=4600 $y=3600 $w=400 $h=6004 \, t, ^ x! j% U9 r+ Z+ F c
.ends- @# {7 f" \& J
. |* D: I/ B# b/ u
b) h6 @) @) b- h3 `0 b
( f: |* u& R& l* N$ Q+ m d( ^*-------- Devices With SPICE.ORDER == 0.0 --------( i! P& j7 S/ \/ q
***** Top Level *****) j9 t1 {3 X" G b# N
XINV_1 SL N_2 Gnd Vdd INV $ $x=350 $y=-2300 $w=900 $h=600
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; S8 b' o0 g5 Q& M" ]& t*-------- Devices With SPICE.ORDER > 0.0 --------
5 w* f5 s! k' a/ A& T3 [5 [CCapacitor_1 VDDV Gnd 1p $ $x=3100 $y=-400 $w=400 $h=600! a3 f4 l' @4 _$ n+ i4 \4 ~, L0 f
CCapacitor_2 GNDV Gnd 1p $ $x=3100 $y=-2500 $w=400 $h=600/ N' d! a @/ c4 E0 j% ]3 q, p) Q
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 $ $x=1100
" Q4 z7 a# `4 |. M+$y=-800 $w=400 $h=6004 A v' R' u' E: l0 Z
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 $ $x=1100
/ u4 R$ M+ m- O. }+$y=-1500 $w=400 $h=6000 Y J* B. E1 j
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 $ # e( m2 L% A# _, Y
+$x=1100 $y=-2300 $w=400 $h=600
4 O4 f, M' l4 L+ TMPMOS_1 Out A VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=300 : I$ Q$ G- h+ a# ^, W
+$y=-200 $w=400 $h=600
, @; y4 ]/ c/ g$ ~# x+ YMPMOS_2 Out B VDDV VDDV PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1900 2 S# F( x3 h5 |3 R9 w" ^3 @
+$y=-200 $w=400 $h=6008 `* c4 o: ]/ [+ P( |* S6 f
MPMOS_3 VDDV SL Vdd Vdd PMOS W=2.5u L=250n AS=2.25p PS=6.8u AD=2.25p PD=6.8u $ $x=1100 , X+ g4 X: f% z/ Z" l" k
+$y=700 $w=400 $h=6007 Q- F/ c5 c1 w Y7 S8 E6 K; m$ ~" J
' s3 R9 a4 Y6 z********* Simulation Settings - Analysis Section *********
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/ {* `" C/ D n' l
********* Simulation Settings - Additional SPICE Commands *********# M! t/ J2 M( ~3 W
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.end, i6 @9 j' D8 l8 C4 d3 {
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发表于 2012-6-13 02:27
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发表于 2012-6-19 11:03