SPICE MODEL of TC74AC02FT in SPICE PARK. English Version is http://www.spicepark.net. Japanese Version is http://www.spicepark.com by Bee Technologies.

1. Device Modeling Report
COMPONENTS : CMOS DIGITAL INTEGRATED CIRCUIT
PART NUMBER : TC74AC02FT
MANUFACTURER : TOSHIBA
Bee Technologies Inc.
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

2. Truth Table
Circuit simulation result
U1:1A 0
U1:1B 0
U1:2A 0
U1:2B 0
U1:3A 0
U1:3B 0
U1:4A 0
U1:4B 0
Y1 1
Y2 1
Y3 1
Y4 1
0s 0.5us 1.0us
Time
Evaluation circuit
U1
1Y VCC
Y1
1A 4Y
LO Y4
LO
1B 4B LO
2Y 4A
Y2 LO
2A 3Y
LO Y3 V1
R1
LO
2B 3B LO
1MEG 5
GND 3A LO
TC74AC02
0
Comparison table
Input Output
%Error
An Bn Yn (Measurement) Yn (Simulation)
L L H H 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

3. Truth Table
Circuit simulation result
U1:1A 0
U1:1B 1
U1:2A 0
U1:2B 1
U1:3A 0
U1:3B 1
U1:4A 0
U1:4B 1
Y1 0
Y2 0
Y3 0
Y4 0
0s 0.5us 1.0us
Time
Evaluation circuit
U1
1Y VCC
Y1
1A 4Y
LO Y4
HI 1B 4B HI
2Y 4A
Y2 LO
2A 3Y
LO Y3 V1
R1
HI 2B 3B HI
1MEG 5
GND 3A LO
TC74AC02
0
Comparison table
Input Output
%Error
An Bn Yn (Measurement) Yn (Simulation)
L H L L 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

4. Truth Table
Circuit simulation result
U1:1A 1
U1:1B 0
U1:2A 1
U1:2B 0
U1:3A 1
U1:3B 0
U1:4A 1
U1:4B 0
Y1 0
Y2 0
Y3 0
Y4 0
0s 0.5us 1.0us
Time
Evaluation circuit
U1
1Y VCC
Y1
HI 1A 4Y
Y4
LO
1B 4B LO
2Y 4A HI
Y2
HI 2A 3Y
Y3 V1
R1
LO
2B 3B LO
1MEG 5
GND 3A HI
TC74AC02
0
Comparison table
Input Output
%Error
An Bn Yn (Measurement) Yn (Simulation)
H L L L 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

5. Truth Table
Circuit simulation result
U1:1A 1
U1:1B 1
U1:2A 1
U1:2B 1
U1:3A 1
U1:3B 1
U1:4A 1
U1:4B 1
Y1 0
Y2 0
Y3 0
Y4 0
0s 0.5us 1.0us
Time
Evaluation circuit
U1
1Y VCC
Y1
HI 1A 4Y
Y4
HI 1B 4B HI
2Y 4A HI
Y2
HI 2A 3Y
Y3 V1
R1
HI 2B 3B HI
1MEG 5
GND 3A HI
TC74AC02
0
Comparison table
Input Output
%Error
An Bn Yn (Measurement) Yn (Simulation)
H H L L 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

6. High Level and Low Level Input Voltage
Circuit simulation result
6.0V
4.0V
Output
Input
2.0V
0V
0s 1.0ms 2.0ms 3.0ms 4.0ms
V(R1:1) V(V1:+)
Time
Evaluation circuit
U1
1Y VCC
1A 4Y
LO
1B 4B
2Y 4A
2A 3Y
V1 2B 3B
V1 = 0 V2
V2 = 5.5 R1 GND 3A
TD = 0.5m
TR = 0.1m 1MEG 5.5
TC74AC02
TF = 0.1m
PW = 1m
PER = 2m
0
Comparison table
VCC = 5.5V Measurement Simulation %Error
VIH (V) 3.85 3.8502 0.005
VIL (V) 1.65 1.6445 -0.333
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

7. High Level and Low Level Output Voltage
Circuit simulation result
5.0V
2.5V
Output
0V
V(R1:1) Input
5.0V
2.5V
SEL>>
0V
0s 5ms 10ms
V(V1:+)
Time
Evaluation circuit
U1
1Y VCC
1A 4Y
LO
1B 4B
2Y 4A
2A 3Y
V1 2B 3B
V1 = 0 V2
V2 = 4.5 R1 GND 3A
TD = 0.5m
TR = 3n 1MEG 4.5
TC74AC02
TF = 3n
PW = 1m
PER = 2m
0
Comparison table
VCC = 4.5V Measurement Simulation %Error
VOH (V) 4.5 4.4994 -0.013
VOL (V) 0 0 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

8. Propagation Delay Time
Circuit simulation result
5.0V
Output
2.5V Input
0V
0s 50ns 100ns
V(U1:1Y) V(V1:+)
Time
Evaluation circuit
U1
1Y VCC
1A 4Y
LO
1B 4B
2Y 4A
2A 3Y
RL V2
CL 500 2B 3B
50p V1 = 0 V1
V2 = 5 GND 3A
TD = 10n 5
TR = 3n
TF = 3n TC74AC02
PW = 50n
PER = 100n
0
Comparison table
CL=50pF,RL=500 Tr=Tf=3ns Measurement Simulation %Error
tpLH (ns) 4.8 4.8551 1.148
tpHL (ns) 4.8 4.8660 1.375
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005