74ACT825 Просмотр технического описания (PDF) - Fairchild Semiconductor
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74ACT825 Datasheet PDF : 7 Pages
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AC Electrical Characteristics
Symbol
Parameter
fMAX
Maximum Clock
Frequency
tPLH
Propagation Delay
CP to On
tPHL
Propagation Delay
CP to On
tPHL
Propagation Delay
CLR to On
tPZH
Output Enable Time
OE to On
tPZL
Output Enable Time
OE to On
tPHZ
Output Disable Time
OE to On
tPLZ
Output Disable Time
OE to On
Note 4: Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 4)
5.0
TA = +25°C
CL = 50 pF
Min
Typ
Max
120
158
5.0
1.5
5.5
9.5
5.0
2.0
5.5
9.5
5.0
2.5
8.0
13.5
5.0
1.5
6.0
10.5
5.0
2.0
6.5
11.0
5.0
1.5
6.5
11.0
5.0
1.5
6.0
10.5
TA = −40°C to +85°C
CL = 50 pF
Min
Max
109
1.5
10.5
1.5
10.5
2.0
15.5
1.5
11.5
1.5
12.0
1.5
12.0
1.5
11.5
AC Operating Requirements
Symbol
Parameter
tS
Setup Time, HIGH or LOW
Dn to CP
tH
Hold Time, HIGH or LOW
Dn to CP
tS
Setup Time, HIGH or LOW
EN to CP
tH
Hold Time, HIGH or LOW
EN to CP
tW
CP Pulse Width
HIGH or LOW
tW
CLR Pulse Width, LOW
tREC
CLR to CP
Recovery Time
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
TA = +25°C
CL = 50 pF
Typ
TA = −40°C to +85°C
CL = 50 pF
Guaranteed Minimum
0.5
2.5
2.5
0
2.5
2.5
0
2.0
2.5
0
1.0
1.0
2.5
4.5
5.5
3.0
5.5
5.5
1.5
3.5
4.0
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
pF
VCC = OPEN
44
pF
VCC = 5.0V
Units
MHz
ns
ns
ns
ns
ns
ns
ns
Units
ns
ns
ns
ns
ns
ns
ns
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