SPICE MODEL of TC74HC02AF 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 : TC74HC02AF
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
TC74HC02
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
TC74HC02
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
TC74HC02
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
TC74HC02
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
5.0V
Output
2.5V Input
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 = 4.5 R1 GND 3A
TD = 0.5m 4.5
TR = 0.1m 1MEG
TC74HC02
TF = 0.1m
PW = 1m
PER = 2m
0
Comparison table
VCC = 4.5V Measurement Simulation %Error
VIH (V) 3.15 3.1507 0.022
VIL (V) 1.35 1.3452 -0.356
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
TC74HC02
TF = 3n
PW = 1m
PER = 2m
0
Comparison table
VCC = 4.5V Measurement Simulation %Error
VOH (V) 4.5 4.4975 -0.056
VOL (V) 0 0 0
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005

8. Propagation Delay Time
Circuit simulation result
5.0V
Output
Input
2.5V
0V
0s 50ns 100ns
V(U1:1Y) V(V1:+)
Time
Evaluation circuit
U1
1Y VCC
1A 4Y
LO
1B 4B
2Y 4A
2A 3Y
V2
CL 2B 3B
15p V1 = 0 V1
V2 = 5 GND 3A
TD = 10n 5
TR = 6n
TC74HC02
TF = 6n
PW = 50n
PER = 100n
0
Comparison table
CL=15pF,VCC = 5V,tr=tf=6ns Measurement Simulation %Error
tTLH (ns) 4 4.0836 2.090
tTHL (ns) 4 4.0476 1.190
TpLH (ns) 6 6.0554 0.923
TpHL (ns) 6 6.0655 1.092
All Rights Reserved Copyright (c) Bee Technologies Inc. 2005