74LS68 ON Semiconductor, 74LS68 Datasheet - Page 5

• Manufacturer Part Number: 74LS68
• Description: LOW POWER SCHOTTKY
• Manufacturer: ON Semiconductor

AC CHARACTERISTICS
SN74LS682
SN74LS684
SN74LS688
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
Symbol
Symbol
Symbol
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, P to P > Q
Propagation Delay, Q to P > Q
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, P to P > Q
Propagation Delay, Q to P > Q
Propagation Delay, P to P = Q
Propagation Delay, Q to P = Q
Propagation Delay, G , G1 to P = Q
(T
Parameter
Parameter
Parameter
A
= 25 C)
SN74LS682 SN74LS684 SN74LS688
Min
Min
Min
http://onsemi.com
Limits
Limits
Limits
Typ
Typ
Typ
13
15
14
15
20
15
21
19
15
17
16
15
22
17
24
20
12
17
12
17
12
13
5
Max
Max
Max
25
25
25
25
30
30
30
30
25
25
25
25
30
30
30
30
18
23
18
23
18
20
Unit
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Conditions
Test Conditions
Test Conditions
V
V
V
R
R
R
R
C
C
C
C
C
CC
CC
CC
L
L
L
L
L
L
L
L
L
= 667
= 667
= 667
= 45 F
= 45 pF
= 45 pF
= 45 F
= 45 pF
= 5.0 V
= 5.0 V
= 5.0 V
667