74ACT818 Просмотр технического описания (PDF) - Fairchild Semiconductor
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74ACT818 Datasheet PDF : 6 Pages
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AC Operating Requirements
Symbol
Parameter
tS
Setup Time
D to PCLK
tH
Hold Time
D to PCLK
tH
Setup Time
MODE to PCLK
tH
Hold Time
MODE to PCLK
tS
Setup Time
Y to DCLK
tS
Hold Time
Y to DCLK
tS
Setup Time
MODE to DCLK
tH
Hold Time
MODE to DCLK
tS
Setup Time
SDI to DCLK
tH
Hold Time
SDI to DCLK
tS
Setup Time
DCLK to PCLK
tS
Setup Time
PCLK to DCLK
tW
Pulse Width
PCLK HIGH or LOW
tW
Pulse Width
DCLK HIGH or LOW
Note 5: Voltage range 5.0 is 5.0V ± 0.5V.
VCC
(V)
(Note 5)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
TA = +25°C
CL = 50 pF
Typ
TA = −40°C to +85°C
CL = 50 pF
Guaranteed Minimum
1.0
4.0
5.0
0.0
1.0
1.0
2.5
4.5
5.5
−1.0
0.0
0.0
0.5
2.5
2.5
0
1.0
1.5
2.0
4.0
4.0
−0.5
1.0
1.0
2.0
3.5
4.5
−0.5
1.0
1.0
6.0
9.0
10.5
6.0
11.0
11.5
2.0
3.0
3.0
2.0
3.0
3.0
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
pF
VCC = OPEN
20
pF
VCC = 5.0V
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
5
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