SN54/74LS83A
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Input HIGH Voltage
Unit
Test Conditions
Min
Typ
Max
Guaranteed Input HIGH Voltage for
All Inputs
V
2.0
V
IH
54
74
0.7
0.8
Guaranteed Input LOW Voltage for
All Inputs
V
V
V
Input LOW Voltage
V
IL
Input Clamp Diode Voltage
Output HIGH Voltage
–0.65
3.5
–1.5
V
V
V
V
V
= MIN, I = –18 mA
IN
IK
CC
54
74
2.5
2.7
= MIN, I
= MAX, V = V
IN IH
CC
OH
OH
per Truth Table
3.5
0.4
0.5
V
V
= V
MIN,
54, 74
74
0.25
0.35
V
V
I
= 4.0 mA
OL
CC
IN
CC
= V or V
V
OL
Output LOW Voltage
Input HIGH Current
IL IH
I = 8.0 mA
OL
per Truth Table
C
A or B
20
40
µA
V
V
= MAX, V = 2.7 V
IN
0
CC
I
I
IH
C
A or B
0.1
0.2
0
mA
= MAX, V = 7.0 V
IN
CC
Input LOW Current
–0.4
–0.8
C
A or B
mA
mA
V
V
= MAX, V = 0.4 V
IN
0
IL
CC
I
I
Output Short Circuit Current (Note 1)
–20
–100
= MAX
= MAX
OS
CC
Power Supply Current
All Inputs Grounded
All Inputs at 4.5 V, Except B
All Inputs at 4.5 V
CC
39
34
34
mA
V
CC
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (T = 25°C)
A
Limits
Typ
Symbol
Parameter
Unit
Test Conditions
Min
Max
t
t
Propagation Delay, C Input
0
to any Σ Output
16
15
24
24
ns
PLH
PHL
t
t
Propagation Delay, Any A or
B Input to Σ Outputs
15
15
24
24
ns
ns
ns
PLH
PHL
V
C
= 5.0 V
CC
= 15 pF
L
t
t
Propagation Delay, C Input
0
to C Output
4
11
15
17
22
Figures 1 and 2
PLH
PHL
t
t
Propagation Delay, Any A or
11
12
17
17
PLH
PHL
B Input to C Output
4
AC WAVEFORMS
1.3 V
1.3 V
1.3 V
1.3 V
V
V
IN
IN
t
t
t
t
PLH
PHL
PLH
PHL
V
OUT
1.3 V
1.3 V
1.3 V
1.3 V
V
OUT
Figure 1
Figure 2
FAST AND LS TTL DATA
5-83
MOTOROLA [ MOTOROLA ]
