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54ACT821L View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54ACT821L 10-Bit D Flip-Flop with TRI-STATE Outputs National-Semiconductor
National ->Texas Instruments National-Semiconductor
54ACT821L Datasheet PDF : 8 Pages
1 2 3 4 5 6 7 8
AC Electrical Characteristics
Symbol
Parameter
fmax
Maximum Clock
Frequency
tPLH
Propagation Delay
CP to On
tPHL
Propagation Delay
CP 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 8: Voltage Range 3.3 is 3.3V ±0.3V
Note 9: Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 8)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
54AC
TA = −55˚C to +125˚C
CL = 50 pF
Min
Max
95
100
1.0
13.0
1.5
9.5
1.0
13.0
1.5
9.5
1.0
13.0
1.5
9.5
1.0
13.0
1.5
9.5
1.0
12.0
1.5
10.0
1.0
12.0
1.5
10.0
AC Operating Requirements
Symbol
Parameter
ts
Setup Time, HIGH or LOW
Dn to CP
th
Hold Time, HIGH or LOW
Dn to CP
tw
CP Pulse Width
HIGH or LOW
Note 10: Voltage Range 3.3 is 3.3V ±0.3V
Note 11: Voltage Range 5.0 is 5.0V ±0.5V
VCC
(V)
(Note 10)
3.3
5.0
3.3
5.0
3.3
5.0
54AC
TA = −55˚C to +125˚C
CL = 50 pF
Guaranteed Minimum
3.0
3.0
3.0
3.0
6.0
5.0
AC Electrical Characteristics
Symbol
Parameter
fmax
Maximum Clock
Frequency
tPLH
Propagation Delay
CP to On
tPHL
Propagation Delay
CP to On
tPZH
Output Enable Time
OE to On
VCC
(V)
(Note 12)
5.0
5.0
5.0
5.0
54ACT
TA = −55˚C
to +125˚C
CL = 50 pF
Min
Max
85
1.5
11.5
1.5
11.5
1.5
12.5
5
Units
Fig.
No.
MHz
ns
ns
ns
ns
ns
ns
Fig.
Units
No.
ns
ns
ns
Fig.
Units
No.
MHz
ns
ns
ns
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