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54AC74 Datasheet(PDF) 6 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 54AC74
Description  Dual D-Type Positive Edge-Triggered Flip-Flop
PDF  8 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54AC74 Datasheet(HTML) 6 Page - National Semiconductor (TI)

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AC Electrical Characteristics
54ACT
V
CC
T
A = −55˚C
Fig.
Symbol
Parameter
(V)
to +125˚C
Units
No.
(Note 10)
C
L =50 pF
Min
Max
f
max
Maximum Clock
5.0
85
MHz
Frequency
t
PLH
Propagation Delay
5.0
1.0
11.5
ns
C
Dn or SDn to Qn or Qn
t
PHL
Propagation Delay
5.0
1.0
12.5
ns
C
Dn or SDn to Qn or Qn
t
PLH
Propagation Delay
5.0
1.0
14.0
ns
CP
n to Qn or Qn
t
PHL
Propagation Delay
5.0
1.0
12.0
ns
CP
n to Qn or Qn
Note 10: Voltage Range 5.0 is 5.0V ±0.5V
AC Operating Requirements
54ACT
Symbol
Parameter
V
CC
T
A = −55˚C
Units
Fig.
(V)
C
L = 50 pF
No.
(Note 11)
Guaranteed
Limits
t
s
Set-up Time, HIGH or
LOW
5.0
4.0
ns
D
n to CPn
t
h
Hold Time, HIGH or
LOW
5.0
1.0
ns
D
n to CPn
t
w
CP
n or CDn or SDn
5.0
7.0
ns
Pulse Width
t
rec
Recovery Time
5.0
0.5
ns
C
Dn or SDn to CP
Note 11: Voltage Range 5.0 is 5.0V ±0.5V
Capacitance
Symbol
Parameter
Typ
Units
Conditions
C
IN
Input Capacitance
4.5
pF
V
CC = OPEN
C
PD
Power Dissipation
35.0
pF
V
CC = 5.0V
Capacitance
www.national.com
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