74VHC393(2007) Просмотр технического описания (PDF) - Fairchild Semiconductor
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74VHC393 Datasheet PDF : 10 Pages
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AC Electrical Characteristics
Symbol
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
tPLH, tPHL
fMAX
CIN
CPD
Parameter
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
Input Capacitance
Power Dissipation
Capacitance
VCC (V)
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
Conditions
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
VCC = Open
(3)
TA = 25°C
Min. Typ. Max.
8.6 13.2
11.1 16.7
5.8 8.5
7.3 10.5
10.2 15.8
12.7 19.3
6.8 9.8
8.3 11.8
11.7 18.0
14.2 21.5
7.7 11.2
9.2 13.2
13.0 19.7
15.5 23.2
8.5 12.5
10.0 14.5
7.9 12.3
10.4 15.8
5.4 8.1
6.9 10.1
75 120
45
65
125 170
85 115
4
10
23
TA = –40°C to
+85°C
Min.
Max.
1.0
15.5
1.0
19.0
1.0
10.0
1.0
12.0
1.0
18.5
1.0
22.0
1.0
11.5
1.0
13.5
1.0
21.0
1.0
24.5
1.0
13.0
1.0
15.0
1.0
23.0
1.0
26.5
1.0
14.5
1.0
16.5
1.0
14.5
1.0
18.0
1.0
9.5
1.0
11.5
65
35
105
75
10
Note:
3. 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)
Units
ns
ns
ns
ns
ns
MHz
pF
pF
AC Operating Requirements
Symbol
Parameter
tW(L), tW(H) Minimum Pulse Width (CP)
tW(H)
Minimum Pulse Width (CLR)
tREM
Minimum Removal Time
VCC (V)
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
TA = 25°C
T A = – 40°C to +85°C
Typ.
Guaranteed Minimum
Units
5.0
5.0
ns
5.0
5.0
5.0
5.0
ns
5.0
5.0
5.0
5.0
ns
4.0
4.0
©1998 Fairchild Semiconductor Corporation
74VHC393 Rev. 1.4
6
www.fairchildsemi.com
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