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54AC646SD Datasheet(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # 54AC646SD
Description  Octal Transceiver/Register with TRI-STATE Outputs
PDF  10 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

54AC646SD Datasheet(HTML) 7 Page - National Semiconductor (TI)

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AC Electrical Characteristics (Continued)
54AC
V
CC
T
A = −55˚C
Fig.
Symbol
Parameter
(V)
to +125˚C
Units
No.
(Note 6)
C
L = 50 pF
Min
Max
t
PLZ
Disable Time
3.3
1.0
16.5
ns
DIR to A
n or Bn
5.0
1.5
12.0
Note 6: Voltage Range 3.3 is 3.3V ±0.3V
Voltage Range 5.0 is 5.0V ±0.5V
AC Operating Requirements
54AC
V
CC
T
A = −55˚C
Fig.
Symbol
Parameter
(V)
to +125˚C
Units
No.
(Note 7)
C
L = 50 pF
Guaranteed
Minimum
t
s
Setup Time, HIGH or LOW
3.3
6.0
ns
Bus to Clock
5.0
4.5
t
h
Hold Time, HIGH or LOW
3.3
1.5
ns
Bus to Clock
5.0
2.0
t
w
Clock Pulse Width
3.3
5.0
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
Capacitance
Symbol
Parameter
Typ
Units
Conditions
C
IN
Input Capacitance
4.5
pF
V
CC = OPEN
C
I/O
Input/Output Capacitance
15.0
pF
V
CC = 5.0V
C
PD
Power Dissipation
60.0
pF
V
CC = 5.0V
Capacitance
www.national.com
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