SPICE MODEL of TC74VHCT540AF in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.
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SPICE MODEL of TC74VHCT540AF in SPICE PARK
1. Device Modeling Report
COMPONENTS : CMOS DIGITAL INTEGRATED CIRCUIT
PART NUMBER : TC74VHCT540AF
MANUFACTURER : TOSHIBA
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
2. Truth Table
Circuit simulation result
U1:G1BAR
U1:G2BAR
U1:A1
U1:A2
U1:A3
U1:A4
U1:A5
U1:A6
U1:A7
U1:A8
U1:Y1
U1:Y2
U1:Y3
U1:Y4
U1:Y5
U1:Y6
U1:Y7
U1:Y8
0s 0.5us 1.0us
Time
Evaluation circuit
_ U1
HI G1 VCC
_
CLK A1 G2 CLK
_
DSTM1 A2 Y1 DSTM2
ONTIME = .2uS _ ONTIME = .2uS
OFFTIME = .2uS A3 Y2 OFFTIME = .2uS
_
A4 Y3
_
A5 Y4
_ R4 V1
A6 Y5 5
1MEG
_
A7 Y6
_
A8 Y7
_
GND Y8
VHCT540A
0
Comparison table
Input Output
%Error
G1 G2 An Yn (Measurement) Yn (Simulation)
H X X Z Z 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
3. Truth Table
Circuit simulation result
U1:G1BAR
U1:G2BAR
U1:A1
U1:A2
U1:A3
U1:A4
U1:A5
U1:A6
U1:A7
U1:A8
U1:Y1
U1:Y2
U1:Y3
U1:Y4
U1:Y5
U1:Y6
U1:Y7
U1:Y8
0s 0.5us 1.0us
Time
Evaluation circuit
_ U1
CLK G1 VCC
_
DSTM1 A1 G2 HI
ONTIME = .2uS _
OFFTIME = .2uS A2 Y1
_
A3 Y2
_
A4 Y3
_
A5 Y4
_ R4 V1
A6 Y5 5
1MEG
_
A7 Y6
_
A8 Y7
_
GND Y8
VHCT540A
0
Comparison table
Input Output
%Error
G1 G2 An Yn (Measurement) Yn (Simulation)
X H X Z Z 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
4. Truth Table
Circuit simulation result
U1:G1BAR 0
U1:G2BAR 0
U1:A1 1
U1:A2 1
U1:A3 1
U1:A4 1
U1:A5 1
U1:A6 1
U1:A7 1
U1:A8 1
U1:Y1 0
U1:Y2 0
U1:Y3 0
U1:Y4 0
U1:Y5 0
U1:Y6 0
U1:Y7 0
U1:Y8 0
0s 0.5us 1.0us
Time
Evaluation circuit
_ U1
LO
G1 VCC
_
HI
A1 G2 LO
_
HI A2 Y1
_
HI A3 Y2
_
HI A4 Y3
_
HI A5 Y4
_ V1
HI A6 Y5 R4 5
_
A7 Y6 1MEG
HI
_
HI A8 Y7
_
GND Y8
VHCT540A
0
Comparison table
Input Output
%Error
G1 G2 An Yn (Measurement) Yn (Simulation)
L L H L L 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
5. Truth Table
Circuit simulation result
U1:G1BAR 0
U1:G2BAR 0
U1:A1 0
U1:A2 0
U1:A3 0
U1:A4 0
U1:A5 0
U1:A6 0
U1:A7 0
U1:A8 0
U1:Y1 1
U1:Y2 1
U1:Y3 1
U1:Y4 1
U1:Y5 1
U1:Y6 1
U1:Y7 1
U1:Y8 1
0s 0.5us 1.0us
Time
Evaluation circuit
_ U1
LO
G1 VCC
_
A1 G2
LO LO
_
LO
A2 Y1
_
LO
A3 Y2
_
LO
A4 Y3
_
LO
A5 Y4
_ V2
LO
A6 Y5 R4 5
_
A7 Y6 1MEG
LO
_
LO
A8 Y7
_
GND Y8
VHCT540A
0
Comparison table
Input Output
%Error
G1 G2 An Yn (Measurement) Yn (Simulation)
L L L H H 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
6. High Level and Low Level Input Voltage
Circuit simulation result
5.0V
Output
(540.005u,2.0003)
2.5V Input
515.984u,799.200m)
0V
0s 0.5ms 1.0ms 1.5ms 2.0ms
V(Y1) V(V1:+)
Time
Evaluation circuit
_ U1
LO
G1 VCC
_
A1 G2 LO
_
A2 Y1
Y1
_
A3 Y2
_
A4 Y3 V2
V1 = 0 _
V2 = 5 V1 A5 Y4
TD = 0.5m _ R2
TR = 0.1m A6 Y5 5
TF = 0.1m 1G
_
PW = 1m A7 Y6
PER = 2m _
A8 Y7
_
GND Y8
VHCT540A
0
Comparison table
VCC = 5V Measurement Simulation %Error
VIH (V) 2 2.0003 0.015
VIL (V) 0.8 0.7992 -0.100
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005