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Part Name
Description
74F251A View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
View to exact match
74F251A
8-Input Multiplexer with 3-STATE Outputs
Fairchild Semiconductor
74F251A Datasheet PDF : 7 Pages
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AC Electrical Characteristics
Symbol
Parameter
t
PLH
Propagation Delay
t
PHL
S
n
to Z
t
PLH
Propagation Delay
t
PHL
S
n
to Z
t
PLH
Propagation Delay
t
PHL
I
n
to Z
t
PLH
Propagation Delay
t
PHL
I
n
to Z
t
PZH
Output Enable Time
t
PZL
OE to Z
t
PHZ
Output Disable Time
t
PLZ
OE to Z
t
PZH
Output Enable Time
t
PZL
OE to Z
t
PHZ
Output Disable Time
t
PLZ
OE to Z
T
A
= +
25
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Typ
Max
3.5
6.0
9.0
3.2
5.0
7.5
4.5
7.5
10.5
4.0
6.0
8.5
3.0
5.0
6.5
1.5
2.5
4.0
3.5
5.0
7.0
3.5
5.5
7.0
2.5
4.3
6.0
2.5
4.3
6.0
2.5
4.0
5.5
1.5
3.0
4.5
3.5
5.0
7.0
3.5
5.5
7.5
2.0
3.8
5.5
1.5
3.0
4.5
T
A
= −
55
°
C to
+
125
°
C
V
CC
=
5.0V
C
L
=
50 pF
Min
Max
3.5
11.5
3.2
8.0
3.5
14.0
3.0
10.5
2.5
8.0
1.5
6.0
2.5
9.0
3.5
9.0
2.0
7.0
2.5
7.5
2.5
6.0
1.5
5.0
3.0
8.5
3.5
9.0
2.0
5.5
1.5
5.5
T
A
=
0
°
C to
+
70
°
C
V
CC
=
5.0V
C
L
=
50 pF
Min
Max
3.5
9.5
3.2
7.5
4.5
12.5
4.0
9.0
3.0
7.0
1.5
5.0
2.5
8.0
3.5
7.5
2.5
7.0
2.5
6.5
2.5
6.0
1.5
4.5
3.0
7.5
3.5
8.0
2.0
5.5
1.5
4.5
Units
ns
ns
ns
ns
ns
ns
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