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参数资料
| 型号： | LC7458B-04 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP52 |
| 封装： | DIP-52 |
| 文件页数： | 7/11页 |
| 文件大小： | 265K |
| 代理商： | LC7458B-04 |
LC7458B-04
No.4978–5/11
Table1. Ceramic oscillator guaranteed constants (main clock)
e
p
y
t
r
o
t
a
ll
i
c
s
Or
e
r
u
t
c
a
f
u
n
a
Mt
n
e
m
e
l
e
r
o
t
a
ll
i
c
s
O1
C 1
1
C 2
r
o
t
a
ll
i
c
s
o
c
i
m
a
r
e
c
z
H
M
2
1
a
t
a
r
u
M
Z
T
M
0
.
2
1
A
S
CF
p
3
3F
p
3
T
M
0
.
2
1
A
S
CF
p
3
3F
p
3
T
M
0
.
2
1
T
S
Cn
i
-
t
li
u
B
a
r
e
c
o
y
KM
0
.
2
1
-
R
B
KF
p
3
3F
p
3
1. C1 and C2 should be
±10% K tolerance types with SL characteristics.
Table2. LC oscillator recommended constants (OSD clock)
e
p
y
t
r
o
t
a
ll
i
c
s
OL
3
C4
C
L
z
H
M
2
1
r
o
t
a
ll
i
c
s
o
H
2
1F
p
8
1F
p
8
1
Note that the parts making up the oscillator should be mounted as close as possible with circuit patterns as short as possible
to reduce the effects of the circuit pattern.
The oscillator characteristics above are not guaranteed for oscillator elements other than those listed.
Figure 1. Main clock (ceramic oscillator)
Figure 2. OSD clock (LC oscillator)
Figure 3. Oscillator stabilization time
Current Drain Characteristics at Ta=–30 to +70C, VSS=0V
r
e
t
e
m
a
r
a
Pl
o
b
m
y
Ss
n
o
i
t
i
d
n
o
C
s
g
n
i
t
a
R
t
i
n
U
n
i
mp
y
tx
a
m
n
i
a
r
d
t
n
e
r
u
c
g
n
i
t
a
r
e
p
o
l
a
m
r
o
N
1
I
1
P
O
D
V D
D
,
r
o
t
a
ll
i
c
s
o
c
i
m
a
r
e
c
z
H
M
2
1
=
F
C
m
F
;
n
i
a
m
:
k
c
o
l
c
m
e
t
s
y
s
,
r
o
t
a
ll
i
c
s
o
C
L
z
H
M
2
1
=
C
L
m
F
V
,
k
c
o
l
c
D
V
5
.
5
o
t
5
.
4
=
5
15
2A
m
1. The current drain does not include the output transistor and pull-up MOS transistor current.
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