74VHC595(2007) 查看數據表（PDF） - Fairchild Semiconductor
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74VHC595 Datasheet PDF : 12 Pages
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AC Electrical Characteristics
Symbol
tPLH, tPHL
Parameter
Propagation Delay Time,
RCK to QA–QH
tPLH, tPHL Propagation Delay Time,
SCK–Q'H
tPHL
Propagation Delay Time,
SCLR –Q'H
tPZL, tPZH Output Enable Time,
G to QA–QH
tPLZ, tPHZ
fMAX
Output Disable Time,
G to QA–QH
Maximum Clock
Frequency
tOSLH, tOSHL Output to Output Skew
CIN
COUT
CPD
Input Capacitance
Output 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
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
RL = 1kΩ CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
RL = 1kΩ CL = 50pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
(3)
CL = 50pF
CL = 50pF
VCC = Open
VCC = 5.0V
(4)
TA = +25°C
Min. Typ. Max.
7.7 11.9
10.2 15.4
5.4 7.4
6.9 9.4
8.8 13.0
11.3 16.5
6.2 8.2
7.7 10.2
8.4 12.8
10.9 16.3
5.9 8.0
7.4 10.0
7.5 11.5
9.0 15.0
4.8 8.6
8.3 10.6
12.1 15.7
7.6 10.3
80 150
55 130
135 185
95 155
1.5
1.0
5.0 10
6.0
87
TA = –40°C
to +85°C
Min. Max.
1.0 13.5
1.0 17.0
1.0 8.5
1.0 10.5
1.0 15.0
1.0 18.5
1.0 9.4
1.0 11.4
1.0 13.7
1.0 17.2
1.0 9.1
1.0 11.1
1.0 13.5
1.0 17.0
1.0 10.0
1.0 12.0
1.0 16.2
1.0 11.0
70
50
115
85
1.5
1.0
10
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
ns
pF
pF
pF
Notes:
3. Parameter guaranteed by design. tOSLH = | tPLH max – tPLH min|; tOSHL = | tPHL max – tPHL min|
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
©1993 Fairchild Semiconductor Corporation
74VHC595 Rev. 1.2
7
www.fairchildsemi.com
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