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这是仿真的错误：
9 J; F! @6 D( Z% M**** SIMULATION ERRORS; X* C0 ?" V. S) J% @8 y
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8 R. P5 e J( K- y a! p0 j7 UDIGITAL Message ID#1 (SERIOUS):
0 E b: t6 D# I' `3 a0 RDIGITAL INPUT VOLTAGE Hazard at time 93.4ns0 \6 e' t, u, u" Q! @9 N
Device: X$N05688_AtoD1.O0- f. R1 O( x6 n& U& Y. t# N) \
Voltage V(N05688,0)= 7.0050 is beyond the ranges defined in model DO74ALS00
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ERROR -- Convergence problem in transient analysis at Time = 100.3E-062 m: o3 I, d. M2 C) F& A
Time step = 7.788E-15, minimum allowable step size = 10.00E-15
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These supply currents failed to converge:
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I(V_VA) = 33.15mA \ 33.11mA
" `: |/ Z( s& b( ^I(V_VB) = -69.01mA \ -69.27mA
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Last node voltages tried were:1 i" h$ ~" B7 x8 R
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NODE VOLTAGE NODE VOLTAGE NODE VOLTAGE NODE VOLTAGE: ` I7 ~7 |" {8 D' K) W
0 a7 h( C6 E/ E# t4 f7 ?+ ^, W) J$ }(N02690) 263.1400 (N02732) -274.1700 (N02774) 9.7987 (N02800) -331.8900
8 N- ]" c0 W. L- d" Q$ O( {# L6 H! n" P' G3 ]
(N02801) -274.1000 (N02828) 264.3000 (N04776) .1200 (N05688) 7.0049
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- e4 Y" F# t, X/ l! N) z, {(N07838) 263.1300 (N18289) .1200 (N21970) -268.6700 (N22009) -331.95008 F5 ?, ?/ m. { S8 m7 W
! @$ e& U n# u($G_DGND) 0.0000 ($G_DPWR) 5.0000: l4 p' z2 @/ T) R9 J6 S
/ X Z2 H" e! s4 n) T4 g(SIGNAL1) .1197 (SIGNAL2) 3.5025) [, ?3 g7 b0 \# s$ b6 Z' I7 y2 _
1 ^5 w% N% g; C! W- j5 u(X$N04776_AtoD1.1) .3300 (X$N04776_AtoD1.2) .1650
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' `% I' q1 G" S7 d6 S6 U0 T(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
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5 U9 a7 o* g1 ~+ p" |, |(X$N04776_AtoD2.NORM) .0240 (X$N18289_AtoD1.NORM) .0240
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$ U# K7 t2 g3 R(X$N18289_AtoD2.NORM) .0240
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( R. }/ u1 Z0 Y6 b' K5 \2 lDGTL NODE : STATE DGTL NODE : STATE DGTL NODE : STATE DGTL NODE : STATE
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(N04776$AtoD2) : 0 (N05688$AtoD) : 1 ( N04926) : 11 I! e" @% f9 w/ x% {( U4 E
7 S8 H8 r ~. n+ V# p
( N06513) : 0 ( N05101) : 1 (N18289$AtoD2) : 0# ^* @4 H) P5 j5 H/ ^
) E& W! w" K* G(SIGNAL2$DtoA) : 1 ( N05235) : 0 (N04776$DtoA) : 0
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(SIGNAL1$DtoA) : 0 (N04776$AtoD) : 0 ( N05277) : 1( B" R0 ] ~" s C
7 w3 H3 N- d4 r0 m: ?
(N18289$AtoD) : 0
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有人说把steptime改小些，可是我不知道在哪里改! n/ w! Q5 n- e9 V* r8 E8 @3 a
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发表于 2022-6-8 11:13
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