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这是仿真的错误：
$ G' `6 w6 b8 C**** SIMULATION ERRORS+ C: b# y4 I8 u- P! N
0 n8 b+ j) l6 X$ L$ P******************************************************************************
, `: P- B/ h, [8 e' _: `7 `2 |1 u$ g, ^
DIGITAL Message ID#1 (SERIOUS):
$ [% W9 T! `& v6 {( ~: Q- MDIGITAL INPUT VOLTAGE Hazard at time 93.4ns
( h: ]. s+ a" j0 Z q% b, cDevice: X$N05688_AtoD1.O0
. A7 y2 i q( [, l5 \Voltage V(N05688,0)= 7.0050 is beyond the ranges defined in model DO74ALS004 g. V/ l- l T1 @/ T7 F. K
9 h- n, ?! G, r9 i$ q1 h9 O
ERROR -- Convergence problem in transient analysis at Time = 100.3E-06 B5 z8 c5 y/ J; O& r3 e
Time step = 7.788E-15, minimum allowable step size = 10.00E-15/ X( c; ^/ s7 f. _& d/ H
r' ^ c! I' c. B7 p2 r: X ^
These supply currents failed to converge:
: ~' v/ ?8 `9 c' a1 C/ Z/ f& F0 t7 L7 O7 A
I(V_VA) = 33.15mA \ 33.11mA
j/ f0 M8 D# S+ ?+ m" pI(V_VB) = -69.01mA \ -69.27mA1 q6 z: l" y4 Z: B# P" K
. z/ D, C5 n' d, ]/ G7 k1 Q! S
Last node voltages tried were: D2 t1 c- A! j) o# o! S/ D
5 n0 h7 d( v9 i5 o. b# a. oNODE VOLTAGE NODE VOLTAGE NODE VOLTAGE NODE VOLTAGE
+ j! D% H- d* M
R* c8 r3 I& O& l' j(N02690) 263.1400 (N02732) -274.1700 (N02774) 9.7987 (N02800) -331.8900
6 P* t6 n5 ^& R V8 v% v) i* w9 v" K- {/ M9 _5 L' C. x2 F
(N02801) -274.1000 (N02828) 264.3000 (N04776) .1200 (N05688) 7.0049- V3 c1 H5 R$ G2 K5 O
- m/ B5 `5 i6 Q
(N07838) 263.1300 (N18289) .1200 (N21970) -268.6700 (N22009) -331.9500
9 v; G4 g9 v: b- C# ~% u: e
3 |4 } \- d' r/ p, C2 o: X($G_DGND) 0.0000 ($G_DPWR) 5.0000' K9 u( n9 V- k( M
( V: K( m1 s4 e+ I% r3 ?(SIGNAL1) .1197 (SIGNAL2) 3.5025
7 M9 ?6 h4 h( y4 G6 H6 C$ ]( E2 {& L6 `+ A* ~& K" S
(X$N04776_AtoD1.1) .3300 (X$N04776_AtoD1.2) .1650' o" ]9 [* _: P' _. r
3 h, x1 u5 n1 I" A
(X$N04776_AtoD1.3) .7788 (X$N05688_AtoD1.1) -2.0434: b5 ~: A& N1 E" |
) \0 [4 a( g* C+ h! g
(X$N05688_AtoD1.2) -1.0217 (X$N05688_AtoD1.3) -1.7971
& @( i* h' q2 ?
7 o* a3 _% C# C3 g(X$N04776_AtoD2.NORM) .0240 (X$N18289_AtoD1.NORM) .0240! ]5 l9 N) p: ~/ t- p
+ Y' p2 G8 r7 D% i+ v+ O% J1 \(X$N18289_AtoD2.NORM) .0240
% O' G3 z+ x2 F! r, r
' i. c" c' t. q9 U @DGTL NODE : STATE DGTL NODE : STATE DGTL NODE : STATE DGTL NODE : STATE
8 }1 ]& B4 p, ?& f2 S% P1 K8 e+ r- U5 y+ @- u
(N04776$AtoD2) : 0 (N05688$AtoD) : 1 ( N04926) : 1& x7 s8 t! s$ g" k
7 E# \: k$ j2 |: P- f, J/ n( N06513) : 0 ( N05101) : 1 (N18289$AtoD2) : 02 h# I7 _4 l& c
7 e8 G& H ?9 r! l3 |; y" q* r(SIGNAL2$DtoA) : 1 ( N05235) : 0 (N04776$DtoA) : 0
% ~2 {, M3 g6 C$ }( T$ ^6 Z+ }+ P5 { T2 B- r
(SIGNAL1$DtoA) : 0 (N04776$AtoD) : 0 ( N05277) : 1/ `0 T/ }' E& N
- W7 M+ F+ U) B5 W+ ?(N18289$AtoD) : 0
1 ]* q, i5 n- z- N6 @- x# Q1 t. F! A" Q. M6 U
有人说把steptime改小些，可是我不知道在哪里改$ u" s$ ]2 E% t/ O3 w. [- N _5 \
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发表于 2022-6-8 11:13
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