74ACT16646 查看數據表（PDF） - Fairchild Semiconductor
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74ACT16646 Datasheet PDF : 6 Pages
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AC Electrical Characteristics
Symbol
Parameter
tPHL
Propagation Delay
tPLH
Clock to Bus
tPHL
Propagation Delay
tPLH
Bus to Bus
tPHL
Propagation Delay
tPLH
Select to Bus
(w/An or Bn HIGH or LOW)
tPZL
Enable Time
tPZH
G to An/Bn
tPLZ
Disable Time
tPHZ
G to An/Bn
tPZL
Enable Time
tPZH
DIR to An/Bn
tPLZ
Disable Time
tPHZ
DIR to An/Bn
Note 5: Voltage Range 5.0 is 5.0V ± 0.5V.
VCC
(V)
(Note 5)
Min
4.6
5.0
4.3
4.0
5.0
4.1
4.0
5.0
4.2
5.3
5.0
4.6
3.0
5.0
3.4
5.1
5.0
4.6
2.9
5.0
3.4
AC Operating Requirements
Symbol
Parameter
tS
Setup Time, H or L
Bus to Clock
tH
Hold Time, H or L
Bus to Clock
tW
Clock Pulse Width
H or L
Note 6: Voltage Range 5.0 is 5.0V ± 0.5V.
VCC
(V)
(Note 6)
5.0
5.0
5.0
Capacitance
TA = +25°C
CL = 50 pF
Typ
Max
6.9
9.4
6.5
8.9
6.2
8.5
6.4
8.6
6.4
8.9
6.7
9.5
7.8
10.5
6.9
9.4
5.5
8.1
5.7
8.3
8.2
11.8
7.5
10.8
5.8
9.2
6.1
9.2
TA = −40°C to +85°C
CL = 50 pF
Min
Max
3.6
10.1
3.3
9.7
2.9
9.2
3.2
9.3
3.1
9.6
3.2
10.4
3.8
11.4
3.3
10.2
2.3
8.6
2.6
8.6
4.3
12.7
3.7
11.7
2.0
9.8
2.5
9.7
TA = +25°C
TA = −40°C to +85°C
CL = 50 pF
CL = 50 pF
Guaranteed Minimum
3.0
3.0
1.5
1.5
4.0
4.0
Units
ns
ns
ns
ns
ns
ns
ns
Units
ns
ns
ns
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
Typ
Units
Conditions
4.5
pF
VCC = 5.0V
95
pF
VCC = 5.0V
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