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54AC574 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. 54AC574
Description  Octal D-Type Flip-Flop with TRI-STATE Outputs
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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54AC574 Datasheet(HTML) 6 Page - National Semiconductor (TI)

 
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AC Electrical Characteristics for ’AC Family Devices
54AC
V
CC
T
A = −55˚C
Symbol
Parameter
(V)
to +125˚C
Units
(Note 6)
C
L = 50 pF
Min
Max
f
MAX
Maximum Clock
3.3
55
MHz
Frequency
5.0
85
t
PLH
Propagation Delay
3.3
1.0
16.5
ns
CP to O
n
5.0
1.5
11.5
t
PHL
Propagation Delay
3.3
1.0
15.0
ns
CP to O
n
5.0
1.5
10.5
t
PZH
Output Enable Time
3.3
1.0
13.0
ns
5.0
1.5
9.5
t
PZL
Output Enable Time
3.3
1.0
12.5
ns
5.0
1.5
9.5
t
PHZ
Output Disable Time
3.3
1.0
14.0
ns
5.0
1.5
11.5
t
PLZ
Output Disable Time
3.3
1.0
10.5
ns
5.0
1.5
9.0
Note 6: Voltage Range 3.3 is 3.3V ± 0.3V
Voltage Range 5.0 is 5.0V ±0.5V
AC Operating Requirements for ’AC Family Devices
54AC
V
CC
T
A = −55˚C
Symbol
Parameter
(V)
to +125˚C
Units
(Note 7)
C
L = 50 pF
Guaranteed Minimum
t
s
Set-Up Time, HIGH or LOW
3.3
4.5
ns
D
n to CP
5.0
3.5
t
h
Hold Time, HIGH or LOW
3.3
2.5
ns
D
n to CP
5.0
2.5
t
w
CP Pulse Width
3.3
7.5
ns
HIGH or LOW
5.0
5.0
Note 7: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
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