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74LS68 数据表(PDF) 4 Page - Motorola, Inc

部件名 74LS68
功能描述  8-BIT MAGNITUDE COMPARATORS
PDF  6 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  MOTOROLA [Motorola, Inc]
网页  http://www.freescale.com
标志 MOTOROLA - Motorola, Inc

74LS68 数据表(HTML) 4 Page - Motorola, Inc

  74LS68 Datasheet HTML 1Page - Motorola, Inc 74LS68 Datasheet HTML 2Page - Motorola, Inc 74LS68 Datasheet HTML 3Page - Motorola, Inc 74LS68 Datasheet HTML 4Page - Motorola, Inc 74LS68 Datasheet HTML 5Page - Motorola, Inc 74LS68 Datasheet HTML 6Page - Motorola, Inc  
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5-606
FAST AND LS TTL DATA
SN54/74LS682
•SN54/74LS684•SN54/74LS688
AC CHARACTERISTICS (TA = 25°C)
SN54/74LS682
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay, P to P = Q
13
15
25
25
ns
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, Q to P = Q
14
15
25
25
ns
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, P to P > Q
20
15
30
30
ns
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, Q to P > Q
21
19
30
30
ns
SN54/74LS684
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay, P to P = Q
15
17
25
25
ns
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, Q to P = Q
16
15
25
25
ns
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, P to P > Q
22
17
30
30
ns
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, Q to P > Q
24
20
30
30
ns
SN54/74LS688
Symbol
Parameter
Limits
Unit
Test Conditions
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay, P to P = Q
12
17
18
23
ns
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, Q to P = Q
12
17
18
23
ns
VCC = 5.0 V
CL = 45 pF
RL = 667 Ω
tPLH
tPHL
Propagation Delay, G , G1 to P = Q
12
13
18
20
ns
RL = 667 Ω



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