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74F148PC 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74F148PC
8-Line to 3-Line Priority Encoder
Fairchild Semiconductor
74F148PC Datasheet PDF : 7 Pages
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AC Electrical Characteristics
Symbol
Parameter
t
PLH
Propagation Delay
t
PHL
I
n
to A
n
t
PLH
Propagation Delay
t
PHL
I
n
to EO
t
PLH
Propagation Delay
t
PHL
I
n
to GS
t
PLH
Propagation Delay
t
PHL
EI to A
n
t
PLH
Propagation Delay
t
PHL
EI to GS
t
PLH
Propagation Delay
t
PHL
EI to EO
T
A
= +
25
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Typ
Max
3.0
7.0
9.0
3.0
8.0
10.5
2.5
5.0
6.5
2.5
5.5
7.5
2.5
7.0
9.0
2.5
6.0
8.0
2.5
6.5
8.5
2.5
6.0
8.0
2.5
5.0
7.0
2.5
6.0
7.5
2.5
5.5
7.0
3.0
8.0
10.5
T
A
=
0
°
C to
+
70
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Max
3.0
10.0
3.0
12.0
2.5
7.5
2.5
8.5
2.5
10.0
2.5
9.0
2.5
9.5
2.5
9.0
2.5
8.0
2.5
8.5
2.5
8.0
3.0
12.0
Units
ns
ns
ns
ns
ns
ns
www.fairchildsemi.com
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