전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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74F538 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74F538
1-of-8 Decoder with 3-STATE Outputs
Fairchild Semiconductor
74F538 Datasheet PDF : 8 Pages
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AC Electrical Characteristics
Symbol
Parameter
t
PLH
Propagation Delay
t
PHL
A
n
to O
n
t
PLH
Propagation Delay
t
PHL
E
1
or E
2
to O
n
t
PLH
Propagation Delay
t
PHL
E
3
or E
4
to O
n
t
PLH
Propagation Delay
t
PHL
P to O
n
t
PZH
Output Enable Time
t
PZL
OE
1
or OE
2
to O
n
t
PHZ
Output Disable Time
t
PLZ
OE
1
or OE
2
to O
n
T
A
= +
25
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Typ
Max
6.0
11.0
16.0
4.0
7.5
11.0
5.0
8.5
15.0
4.0
6.5
9.0
6.0
11.0
16.0
5.0
10.0
14.0
6.0
11.5
18.0
6.0
11.0
16.0
3.0
5.5
10.0
5.0
9.0
13.0
2.0
4.0
6.0
3.0
5.0
8.0
T
A
=
0
°
C to
+
70
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Max
6.0
17.0
4.0
12.0
5.0
16.0
4.0
10.0
6.0
17.0
5.0
15.0
6.0
20.0
6.0
17.0
3.0
11.0
5.0
14.0
2.0
7.0
3.0
9.0
Units
ns
ns
ns
5
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