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这是仿真的错误：
1 Y/ ?7 T1 C' ~# o$ }6 [4 w**** SIMULATION ERRORS
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******************************************************************************
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DIGITAL Message ID#1 (SERIOUS):7 `( E' F, m! n' w2 L$ a. C1 a
DIGITAL INPUT VOLTAGE Hazard at time 93.4ns
- U! W5 s& |& G& d9 M% s2 FDevice: X$N05688_AtoD1.O07 z3 j7 ~" R/ y: `* a
Voltage V(N05688,0)= 7.0050 is beyond the ranges defined in model DO74ALS00" o0 U: |' C8 m2 s f: e
X8 v1 f: q, C- V4 ]ERROR -- Convergence problem in transient analysis at Time = 100.3E-06$ x+ A1 i3 [' ]6 h" l
Time step = 7.788E-15, minimum allowable step size = 10.00E-15. z# | U, p( B; W U
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These supply currents failed to converge:3 m( K4 ~$ [4 h) k5 l
5 |3 a- k5 g& qI(V_VA) = 33.15mA \ 33.11mA
( @: X1 D0 G1 [7 M. R& C) ?$ r6 ^& II(V_VB) = -69.01mA \ -69.27mA
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Last node voltages tried were:- r: ^, I) A2 n2 x" k8 E3 t# v
+ t: @# L& T7 H" l) l9 INODE VOLTAGE NODE VOLTAGE NODE VOLTAGE NODE VOLTAGE) ^% U ?3 R! D$ Y
8 J9 P8 G- F( S P5 y$ r9 i(N02690) 263.1400 (N02732) -274.1700 (N02774) 9.7987 (N02800) -331.8900
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# X5 l9 t# l4 `6 s(N02801) -274.1000 (N02828) 264.3000 (N04776) .1200 (N05688) 7.00499 x; r Z2 `% D* |' ]9 ~4 G
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(N07838) 263.1300 (N18289) .1200 (N21970) -268.6700 (N22009) -331.9500
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6 R& S& ?2 o0 u2 X( Z($G_DGND) 0.0000 ($G_DPWR) 5.0000
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(SIGNAL1) .1197 (SIGNAL2) 3.5025
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(X$N04776_AtoD1.1) .3300 (X$N04776_AtoD1.2) .1650- i2 V" k$ Z w: T$ G+ P! W: \
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(X$N04776_AtoD1.3) .7788 (X$N05688_AtoD1.1) -2.0434
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(X$N05688_AtoD1.2) -1.0217 (X$N05688_AtoD1.3) -1.7971% s- s" R3 ]9 E0 N9 p$ l7 }& L. }
% B- p! K# p7 Z/ A7 l
(X$N04776_AtoD2.NORM) .0240 (X$N18289_AtoD1.NORM) .02402 V+ n% S0 s( j. d+ P
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(X$N18289_AtoD2.NORM) .0240% G: [0 |+ W' s( x, l: w
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DGTL NODE : STATE DGTL NODE : STATE DGTL NODE : STATE DGTL NODE : STATE
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# l6 q2 l0 c* J# n1 q: N(N04776$AtoD2) : 0 (N05688$AtoD) : 1 ( N04926) : 1, \9 C0 w) ~" x d. Q
( s8 ^2 E8 S0 f& ~3 C- w( N06513) : 0 ( N05101) : 1 (N18289$AtoD2) : 0
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(SIGNAL2$DtoA) : 1 ( N05235) : 0 (N04776$DtoA) : 0
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(SIGNAL1$DtoA) : 0 (N04776$AtoD) : 0 ( N05277) : 1
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(N18289$AtoD) : 0$ f( s$ C/ _" _. ?# r. \
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有人说把steptime改小些，可是我不知道在哪里改
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发表于 2022-6-8 11:13
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淘帖
支持！
反对！