74ACT899 查看數據表（PDF） - Fairchild Semiconductor
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74ACT899 Datasheet PDF : 9 Pages
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AC Electrical Characteristics
VCC
Symbol
Parameter
(V)
(Note 5)
Min
tPLH
Propagation Delay
5.0
2.5
tPHL
An, Bn to Bn, An
tPLH
Propagation Delay
5.0
1.5
tPHL
APAR, BPAR to BPAR, APAR
tPLH
Propagation Delay
5.0
2.5
tPHL
An, Bn to BPAR, APAR
tPLH
Propagation Delay
5.0
2.0
tPHL
An, Bn to ERRA, ERRB
tPLH
Propagation Delay
tPHL
ODD/EVEN to ERRA, ERRB
5.0
2.0
tPLH
Propagation Delay
5.0
2.5
tPHL
ODD/EVEN to APAR, BPAR
tPLH
Propagation Delay
5.0
1.5
tPHL
APAR, BPAR to ERRA, ERRB
tPLH
Propagation Delay
5.0
1.5
tPHL
SEL to APAR, BPAR
tPLH
Propagation Delay
tPHL
LEB to An, Bn
5.0
2.5
tPLH
Propagation Delay
5.0
2.0
tPHL
LEA to APAR, BPAR
tPLH
Propagation Delay
5.0
2.5
tPHL
LEA, LEB to ERRA, ERRB
tPZH
Output Enable Time
5.0
2.5
tPZL
GBA or GAB to An, Bn
tPZH
Output Enable Time
5.0
1.5
tPZL
GBA or GAB to BPAR or APAR
tPHZ
Output Disable Time
5.0
1.5
tPHL
GBA or GAB to An, Bn
tPHZ
Output Disable Time
5.0
1.5
tPLZ
GBA or GAB to BPAR, APAR
Note 5: Voltage Range 5.0 is 5.0V ± 0.5V.
AC Operating Requirements
Symbol
Parameter
tS
Setup Time, HIGH or LOW
An, Bn, PAR to LEA, LEB
tH
Hold Time, HIGH or LOW
An, Bn, PAR to LEA, LEB
tW
Pulse Width for LEB, LEA
Note 6: Voltage Range 5.0 = 5.0V ± 0.5V.
VCC
(V)
(Note 6)
5.0
5.0
5.0
Capacitance
Symbol
CIN
CPD
Parameter
Input Capacitance
Power Dissipation Capacitance
TA = +25°C
CL = 50 pF
Typ
Max
7.5
11.5
TA = −40°C to +85°C
CL = 50 pF
Min
Max
2.5
12.0
Units Fig. No.
ns Figure 1
6.0
8.5
1.5
9.0
ns Figure 1
8.5
12.0
2.5
12.5
ns Figure 2
8.0
11.5
2.0
12.0
ns Figure 3
8.0
11.5
2.0
12.0
ns Figure 4
8.0
11.5
2.5
12.0
ns Figure 5
7.5
10.5
1.5
11.5
ns Figure 6
6.5
9.0
1.5
9.5
ns Figure 9
7.0
10.5
2.5
11.0
ns Figure 10
Figure 11
8.0
11.5
2.0
12.0
ns Figure 10
Figure 11
8.0
11.5
2.5
12.0
ns Figure 12
7.0
10.5
2.5
11.0
ns Figure 7
Figure 8
6.0
9.0
1.5
9.5
ns Figure 7
Figure 8
6.5
9.5
1.5
9.5
ns Figure 7
Figure 8
6.5
9.5
1.5
9.5
ns Figure 7
Figure 8
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
Fig. No.
ns
Figure 11
Figure 12
ns
Figure 11
Figure 12
ns
Figure 13
Typ
Units
Conditions
4.5
pF
VCC = 5.0V
210
pF
VCC = 5.0V
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