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74LVQ374 Datasheet(PDF) 4 Page - Fairchild Semiconductor

Part No. 74LVQ374
Description  Low Voltage Octal D-Type Flip-Flop with 3-STATE Outputs
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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74LVQ374 Datasheet(HTML) 4 Page - Fairchild Semiconductor

   
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AC Electrical Characteristics
Symbol
Parameter
VCC
(V)
TA = +25˚C
CL = 50 pF
TA = −40˚C to +85˚C
CL = 50 pF
Units
Min
Typ
Max
Min
Max
fmax
Maximum Clock Frequency
2.7
55
50
MHz
3.3 ±0.3
75
70
tPLH
Propagation Delay
2.7
3.0
11.4
18.3
3.0
19.0
ns
tPHL
CP to On
3.3 ±0.3
3.0
9.5
13.0
3.0
13.5
tPZL
Output Enable Time
2.7
3.0
11.4
18.3
3.0
19.0
ns
tPZH
3.3 ±0.3
3.0
9.5
13.0
3.0
13.5
tPHZ
Output Disable Time
2.7
1.0
11.4
20.4
1.0
21.0
ns
tPLZ
3.3 ±0.3
1.0
9.5
14.5
1.0
15.0
tOSHL
Output to Output Skew (Note 9)
2.7
1.0
1.5
1.5
ns
tOSLH
CP to On
3.3 ±0.3
1.0
1.5
1.5
Note 9: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The speci-
fication applies to any outputs switching in the same direction, either HIGH to LOW (tOSHL) or LOW to HIGH (tOSLH). Parameter guaranteed by design.
AC Operating Requirements
Symbol
Parameter
VCC
(V)
TA = +25˚C
CL = 50 pF
TA = 40˚C− to +85˚C
CL = 50 pF
Units
Typ
Guaranteed Minimum
tS
Setup Time, HIGH or LOW
2.7
0
4.0
4.5
ns
Dn to CP
3.3 ±0.3
0
3.0
3.0
tH
Hold Time, HIGH or LOW
2.7
0
1.5
1.5
ns
Dn to CP
3.3 ±0.3
0
1.5
1.5
tW
CP Pulse Width,
2.7
2.4
5.0
6.0
ns
HIGH or LOW
3.3 ±0.3
2.0
4.0
4.0
Capacitance
Symbol
Parameter
Typ
Units
Conditions
CIN
Input Capacitance
4.5
pF
VCC = Open
CPD (Note 10)
Power Dissipation Capacitance
39
pF
VCC = 3.3V
Note 10: CPD is measured at 10 MHz.
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