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74LS68 View Datasheet(PDF) - ON Semiconductor

Part Name
Description
View to exact match
74LS68
8-Bit Magnitude Comparitors
ON-Semiconductor
ON Semiconductor ON-Semiconductor
74LS68 Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
SN74LS682 SN74LS684 SN74LS688
AC CHARACTERISTICS (TA = 25°C)
SN74LS682
Limits
Symbol
Parameter
Min Typ Max Unit
tPLH
tPHL
Propagation Delay, P to P = Q
13
25
15
25
ns
tPLH
tPHL
Propagation Delay, Q to P = Q
tPLH
tPHL
Propagation Delay, P to P > Q
14
25
15
25
ns
20
15
30
30
ns
tPLH
tPHL
Propagation Delay, Q to P > Q
21
19
30
30
ns
SN74LS684
Limits
Symbol
Parameter
Min Typ Max Unit
tPLH
tPHL
Propagation Delay, P to P = Q
15
17
25
25
ns
tPLH
tPHL
Propagation Delay, Q to P = Q
16
15
25
25
ns
tPLH
tPHL
Propagation Delay, P to P > Q
22
17
30
30
ns
tPLH
tPHL
Propagation Delay, Q to P > Q
24
20
30
30
ns
SN74LS688
Symbol
Parameter
Limits
Min Typ Max Unit
tPLH
tPHL
Propagation Delay, P to P = Q
12
18
17
23
ns
tPLH
tPHL
Propagation Delay, Q to P = Q
12
17
18
23
ns
tPLH
tPHL
Propagation Delay, G , G1 to P = Q
12
18
13
20
ns
Test Conditions
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
Test Conditions
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
Test Conditions
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
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