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54AC191 датащи(PDF) 7 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
номер детали 54AC191
подробное описание детали  Up/Down Counter with Preset and Ripple Clock
PDF  10 Pages
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производитель  NSC [National Semiconductor (TI)]
домашняя страница  http://www.national.com
Logo NSC - National Semiconductor (TI)

54AC191 датащи(HTML) 7 Page - National Semiconductor (TI)

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AC Operating Requirements
Symbol
Parameter
V
CC
(V)
(Note 6)
54AC
Units
Fig.
No.
T
A = −55˚C
to +125˚C
C
L = 50 pF
Guaranteed
Minimum
t
s
Setup Time, HIGH or LOW
3.3
4.0
ns
P
n to PL
5.0
3.0
t
h
Hold Time, HIGH or LOW
3.3
1.5
ns
P
n to PL
5.0
2.0
t
s
Setup Time, LOW
3.3
9.0
ns
CE to CP
5.0
6.0
t
h
Hold Time, LOW
3.3
0
ns
CE to CP
5.0
0.5
t
s
Setup Time, HIGH or LOW
3.3
10.5
ns
U/D to CP
5.0
7.5
t
h
Hold Time, HIGH or LOW
3.3
0
ns
U/D to CP
5.0
1.0
t
w
PL Pulse Width, LOW
3.3
5.0
ns
5.0
5.0
t
w
CP Pulse Width, LOW
3.3
6.0
ns
5.0
6.0
t
rec
Recovery Time
3.3
1.5
ns
PL to CP
5.0
1.0
Note 6: 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
PD
Power Dissipation
75.0
pF
V
CC = 5.0V
Capacitance
7
www.national.com



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