74VHC393 Просмотр технического описания (PDF) - Fairchild Semiconductor
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74VHC393 Datasheet PDF : 8 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
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
fMAX
Propagation
Delay Time
(CP -QA)
Propagation
Delay Time
(CP -QB)
Propagation
Delay Time
(CP -QC)
Propagation
Delay Time
(CP -QD)
Propagation
Delay Time
(CLR-Qn)
Maximum
Clock
CIN
Input Capacitance
CPD
Power Dissipation
Capacitance
3.3 r 0.3
8.6
13.2
1.0
15.5
ns
11.1
16.7
1.0
19.0
CL 15 pF
CL 50 pF
5.0 r 0.5
5.8
8.5
1.0
10.0
ns
7.3
10.5
1.0
12.0
CL 15 pF
CL 50 pF
3.3 r 0.3
10.2
15.8
1.0
18.5
ns
12.7
19.3
1.0
22.0
CL 15 pF
CL 50 pF
5.0 r 0.5
6.8
9.8
1.0
11.5
ns
8.3
11.8
1.0
13.5
CL 15 pF
CL 50 pF
3.3 r 0.3
11.7
18.0
1.0
21.0
ns
14.2
21.5
1.0
24.5
CL 15 pF
CL 50 pF
5.0 r 0.5
7.7
11.2
1.0
13.0
ns
9.2
13.2
1.0
15.0
CL 15 pF
CL 50 pF
3.3 r 0.3
13.0
19.7
1.0
23.0
ns
15.5
23.2
1.0
26.5
CL 15 pF
CL 50 pF
5.0 r 0.5
8.5
12.5
1.0
14.5
ns
10.0
14.5
1.0
16.5
CL 15 pF
CL 50 pF
3.3 r 0.3
7.9
12.3
1.0
14.5
ns
10.4
15.8
1.0
18.0
CL 15 pF
CL 50 pF
5.0 r 0.5
5.4
8.1
1.0
9.5
ns
6.9
10.1
1.0
11.5
CL 15 pF
CL 50 pF
3.3 r 0.3
75
120
65
CL 15 pF
45
65
5.0 r 0.5 125
170
35
MHz
CL 50 pF
105
CL 15 pF
85
115
75
CL 50 pF
4
10
10
pF VCC Open
23
pF (Note 4)
Note 4: 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/2 (per Counter)
AC Operating Requirements
Symbol
Parameter
tW(L)
tW(H)
tW(H)
tREM
Minimum Pulse
Width (CP)
Minimum Pulse
Width (CLR)
Minimum Removal
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
T A 40qC to 85qC
Typ
Guaranteed Minimum
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
4.0
4.0
Units
ns
ns
ns
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