DC Electrical Characteristics
Symbol
V
OLP
V
OLV
V
OHV
V
IHD
V
ILD
Parameter
Quiet Output Maximum Dynamic V
OL
Quiet Output Minimum Dynamic V
OL
(SOIC Package) (Continued)
Min
Typ
04
b
1 2
b
0 8
Max
08
Units
V
V
V
V
V
CC
50
50
50
50
50
Conditions
C
L
e
50 pF R
L
e
500X
T
A
e
25 C (Note 1)
T
A
e
25 C (Note 1)
T
A
e
25 C (Note 3)
T
A
e
25 C (Note 2)
T
A
e
25 C (Note 2)
Minimum High Level Dynamic Output Voltage
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
25
20
30
17
09
06
V
Note 1
Max number of outputs defined as (n) n
b
1 data inputs are driven 0V to 3V One output at Low Guaranteed but not tested
Note 2
Max number of data inputs (n) switching n
b
1 inputs switching 0V to 3V Input-under-test switching 3V to theshold (V
ILD
) 0V to threshold (V
IHD
)
Guaranteed but not tested
Note 3
Max number of outputs defined as (n) n
b
1 data inputs are driven 0V to 3V One output HIGH Guaranteed but not tested
AC Electrical Characteristics
74ABT
Symbol
Parameter
T
A
e a
25 C
V
CC
e a
5 0V
C
L
e
50 pF
Min
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
D
n
to O
n
Propagation Delay
LE to O
n
Output Enable Time
Output Disable Time
19
19
20
20
15
15
20
20
Typ
27
28
31
30
31
31
36
34
Max
45
45
50
50
53
53
54
54
54ABT
T
A
e b
55 C to
a
125 C
V
CC
e
4 5V to 5 5V
C
L
e
50 pF
Min
10
10
10
15
10
15
17
10
Max
68
70
77
77
67
72
80
70
74ABT
T
A
e b
40 C to
a
85 C
V
CC
e
4 5V to 5 5V
C
L
e
50 pF
Min
19
19
20
20
15
15
20
20
Max
45
45
50
50
53
53
54
54
ns
ns
ns
ns
Units
AC Operating Requirements
74ABT
Symbol
Parameter
Min
f
toggle
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
w
(H)
Max Toggle
Frequency
Setup Time HIGH
or LOW D
n
to LE
Hold Time HIGH
or LOW D
n
to LE
Pulse Width
LE HIGH
15
15
10
10
30
T
A
e a
25 C
V
CC
e a
5 0V
C
L
e
50 pF
Typ
100
Max
54ABT
T
A
e b
55 C to
a
125 C
V
CC
e
4 5V to 5 5V
C
L
e
50 pF
Min
100
25
25
25
25
33
15
15
10
10
30
Max
74ABT
T
A
e b
40 C to
a
85 C
V
CC
e
4 5V to 5 5V
C
L
e
50 pF
Min
Max
MHz
ns
ns
ns
Units
4
NSC [ NATIONAL SEMICONDUCTOR ]
