74VHC574 데이터 시트보기 (PDF) - ON Semiconductor
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74VHC574 Datasheet PDF : 10 Pages
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AC Electrical Characteristics
Symbol
Parameter
VCC
TA 25qC
TA 40qC to 85qC
Units
(V)
Min
Typ
Max
Min
Max
Conditions
tPLH
Propagation Delay
tPHL
Time (CP to On)
tPZL
3-STATE Output
tPZH
Enable Time
tPLZ
tPHZ
tOSLH
tOSHL
fMAX
3-STATE Output
Disable Time
Output to
Output Skew
Maximum Clock
Frequency
CIN
Input
Capacitance
3.3 r 0.3
8.5
13.2
1.0
15.5
ns
11.0
16.7
1.0
19.0
CL 15 pF
CL 50 pF
5.0 r 0.5
5.6
8.6
1.0
10.0
ns
7.1
10.6
1.0
12.0
CL 15 pF
CL 50 pF
3.3 r 0.3
8.2
12.8
1.0
15.0
ns RL 1 k: CL 15 pF
10.7
16.3
1.0
18.5
CL 50 pF
5.0 r 0.5
5.9
9.0
1.0
10.5
ns
7.4
11.0
1.0
12.5
CL 15 pF
CL 50 pF
3.3 r 0.3
5.0 r 0.5
11.0
15.0
1.0
17.0
ns RL 1 k: CL 50 pF
7.1
10.1
1.0
11.5
CL 50 pF
3.3 r 0.3
5.0 r 0.5
1.5
1.5
ns (Note 4) CL 50 pF
1.0
1.0
CL 50 pF
3.3 r 0.3
80
125
65
CL 15 pF
50
75
5.0 r 0.5 130
180
45
MHz
CL 50 pF
110
CL 15 pF
85
115
75
CL 50 pF
4
10
10
pF VCC Open
COUT
Output
6
pF VCC 5.0V
Capacitance
CPD
Power Dissipation
28
Capacitance
pF (Note 5)
Note 4: Parameter guaranteed by design. tOSLH |tPLH max tPLH min|; tOSHL |tPHL max tPHL min|
Note 5: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load. Average
operating current can be obtained by the equation: ICC (opr.) CPD * VCC * fIN ICC/8 (per F/F). The total CPD when n pcs. of the Octal D Flip-Flop operates
can be calculated by the equation: CPD (total) 20 8n.
AC Operating Requirements
Symbol
Parameter
tW(H)
tW(L)
tS
Minimum Pulse Width (CP)
Minimum Set-Up Time
tH
Minimum Hold Time
VCC
(V)
3.3 r 0.3
5.0 r 0.5
3.3 r 0.3
5.0 r 0.5
3.3 r 0.3
5.0 r 0.5
TA 25qC
Min
Typ
Max
5.0
5.0
3.5
3.5
1.5
1.5
TA 40qC to 85qC
Min
Max
5.0
5.0
3.5
3.5
1.5
1.5
Units
ns
ns
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