SN74LS682 SN74LS684 SN74LS688
AC CHARACTERISTICS
(T
A
= 25°C)
SN74LS682
Limits
Symbol
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Parameter
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, P to P > Q
Propagation Delay, Q to P > Q
Min
Typ
13
15
14
15
20
15
21
19
Max
25
25
25
25
30
30
30
30
Unit
ns
ns
ns
ns
Test Conditions
V
CC
= 5.0 V
F
C
L
= 45 pF
R
L
= 667
Ω
SN74LS684
Limits
Symbol
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Parameter
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, P to P > Q
Propagation Delay, Q to P > Q
Min
Typ
15
17
16
15
22
17
24
20
Max
25
25
25
25
30
30
30
30
Unit
ns
ns
ns
ns
Test Conditions
V
CC
= 5.0 V
F
C
L
= 45 pF
R
L
= 667
Ω
SN74LS688
Limits
Symbol
t
PLH
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
Parameter
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, G , G1 to P = Q
Min
Typ
12
17
12
17
12
13
Max
18
23
18
23
18
20
Unit
ns
ns
ns
Test Conditions
V
CC
= 5.0 V
C
L
= 45 pF
R
L
= 667
Ω
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