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零件编号
产品描述 (功能)
74F543SCX 查看數據表(PDF) - Fairchild Semiconductor
零件编号
产品描述 (功能)
比赛名单
74F543SCX
Octal Registered Transceiver
Fairchild Semiconductor
74F543SCX Datasheet PDF : 7 Pages
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AC Electrical Characteristics
Symbol
Parameter
t
PLH
Propagation Delay
t
PHL
Transparent Mode
A
n
to B
n
or B
n
to A
n
t
PLH
Propagation Delay
t
PHL
LEBA to A
n
t
PLH
Propagation Delay
t
PHL
LEAB to B
n
t
PZH
Output Enable Time
t
PZL
OEBA or OEAB to A
n
or B
n
CEBA or CEAB to A
n
or B
n
t
PHZ
Output Disable Time
t
PLZ
OEBA or OEAB to A
n
or B
n
CEBA or CEAB to A
n
or B
n
AC Operating Requirements
Symbol
Parameter
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
W
(L)
Setup Time, HIGH or LOW
A
n
or B
n
to LEBA or LEAB
Hold Time, HIGH or LOW
A
n
or B
n
to LEBA or LEAB
Latch Enable, B to A or
B to A Pulse Width, LOW
T
A
= +
25
°
C
V
CC
= +
5.0V
C
L
=
50 pF
Min
Typ
Max
3.0
5.5
7.5
3.0
5.0
6.5
4.5
8.5
11.0
4.5
8.5
11.0
4.5
8.5
11.0
4.5
8.5
11.0
3.0
7.0
9.0
4.0
7.5
10.5
1.0
6.0
8.0
2.5
5.5
10.5
T
A
=
0
°
C to
+
70
°
C
C
L
=
50 pF
Min
Max
3.0
8.5
3.0
7.5
4.5
12.5
4.5
12.5
4.5
12.5
4.5
12.5
3.0
10.0
4.0
12.0
1.0
9.0
2.5
11.5
T
A
= +
25
°
C
V
CC
= +
5.0V
Min
Max
3.0
3.0
3.0
3.0
8.0
T
A
=
0
°
C to
+
70
°
C
Min
Max
3.5
3.5
3.5
3.5
9.0
Units
ns
ns
ns
ns
Units
ns
ns
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