Tata AIG General Insurance Company - Insurer Innovation Award 2024
TC74VHCT244AFT PSpice Model (Free SPICE Model)
1. All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
Device Modeling Report
Bee Technologies Inc.
COMPONENTS : CMOS DIGITAL INTEGRATED CIRCUIT
PART NUMBER : TC74VHCT244AFT
MANUFACTURER : TOSHIBA
5. All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
Truth Table
Circuit simulation result
Evaluation circuit
Comparison table
Input Output
G An Yn (Measurement) Yn (Simulation)
%Error
L L L L 0
TimeTime
0s 0.5us 1.0us
U1:1GBAR
U1:2GBAR
U1:1A1
U1:1A2
U1:1A3
U1:1A4
U1:2A1
U1:2A2
U1:2A3
U1:2A4
U1:1Y1
U1:1Y2
U1:1Y3
U1:1Y4
U1:2Y1
U1:2Y2
U1:2Y3
U1:2Y4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
LO
R1
1MEG
LO
LO
2Y3
1A4
1A2
1Y4
_
2G
2Y2
2A3
2A4
1G
2A2
1Y3
GND 2A1
1A1
_
1Y2
VCC
2Y4
1A3
2Y1
1Y1
U1
VHCT244A
0
V1
5
LO
LO
LO
LO
LO
LO
LO
6. All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
Truth Table
Circuit simulation result
Evaluation circuit
Comparison table
Input Output
G An Yn (Measurement) Yn (Simulation)
%Error
L H H H 0
TimeTime
0s 0.5us 1.0us
U1:1GBAR
U1:2GBAR
U1:1A1
U1:1A2
U1:1A3
U1:1A4
U1:2A1
U1:2A2
U1:2A3
U1:2A4
U1:1Y1
U1:1Y2
U1:1Y3
U1:1Y4
U1:2Y1
U1:2Y2
U1:2Y3
U1:2Y4
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
V1
5
HI HI
HI
HI
HI
HI
0
R1
1MEG
LO
HI
LO
2Y3
1A4
1A2
1Y4
_
2G
2Y2
2A3
2A4
1G
2A2
1Y3
GND 2A1
1A1
_
1Y2
VCC
2Y4
1A3
2Y1
1Y1
U1
VHCT244A
HI
7. All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
Truth Table
Circuit simulation result
Evaluation circuit
Comparison table
Input Output
G An Yn (Measurement) Yn (Simulation)
%Error
H X Z Z 0
TimeTime
0s 0.5us 1.0us
U1:1GBAR
U1:2GBAR
U1:1A1
U1:1A2
U1:1A3
U1:1A4
U1:2A1
U1:2A2
U1:2A3
U1:2A4
U1:1Y1
U1:1Y2
U1:1Y3
U1:1Y4
U1:2Y1
U1:2Y2
U1:2Y3
U1:2Y4
1
1
0
0
0
0
0
0
0
0
Z
Z
Z
Z
Z
Z
Z
Z
V1
5
HI
X
2Y3
1A4
1A2
1Y4
_
2G
2Y2
2A3
2A4
1G
2A2
1Y3
GND 2A1
1A1
_
1Y2
VCC
2Y4
1A3
2Y1
1Y1
U1
VHCT244A
0
CLK
DSTM1
OFFTIME = .2uS
ONTIME = .2uS
R1
1MEG
HI
X
8. All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
High Level and Low Level Input Voltage
Circuit simulation result
Evaluation circuit
Comparison table
VCC = 5V Measurement Simulation %Error
VIH (V) 2 2 0
VIL (V) 0.8 0.799195 -0.101
Time
0s 0.5ms 1.0ms 1.5ms 2.0ms
V(OUT) V(V1:+)
0V
2.5V
5.0V
(515.984u,799.195m)
(540.005u,2.0003)
Output
Input
OUT
V1
TD = 0.5m
TF = 0.1m
PW = 1m
PER = 2m
V1 = 0
TR = 0.1m
V2 = 5
V2
5
2Y3
1A4
1A2
1Y4
_
2G
2Y2
2A3
2A4
1G
2A2
1Y3
GND 2A1
1A1
_
1Y2
VCC
2Y4
1A3
2Y1
1Y1
U1
VHCT244A
LO
R1
1G
LO
0
9. All Rights Reserved Copyright (c) Bee Technologies Inc. 2005
High Level and Low Level Output Voltage
Circuit simulation result
Evaluation circuit
Comparison table
VCC = 4.5V Measurement Simulation %Error
VOH (V) 4.5 4.4976 -0.053
VOL (V) 0 0 0
Time
0s 5ms 10ms
V(U1:1A1)
0V
2.5V
5.0V
V(OUT)
0V
2.5V
5.0V
SEL>>
Output
Input
LO
LO
2Y3
1A4
1A2
1Y4
_
2G
2Y2
2A3
2A4
1G
2A2
1Y3
GND 2A1
1A1
_
1Y2
VCC
2Y4
1A3
2Y1
1Y1
U1
VHCT244A
0
V1
TD = 0.5m
TF = 3n
PW = 1m
PER = 2m
V1 = 0
TR = 3n
V2 = 4.5
V2
4.5
R1
0.09MEG
OUT