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| 型号： | IMISC643AYB |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | SSOP-48 |
| 文件页数： | 3/12页 |
| 文件大小： | 138K |
| 代理商： | IMISC643AYB |
SC643
I
2C Clock Generator for 3 DIMM, Pentium
II Designs
Approved Product
INTERNATIONAL MICROCIRCUITS, INC. 525 LOS COCHES ST.
Rev.1.6
6/20/97
MILPITAS, CA 95035. TEL: 408-263-6300. FAX 408-263-6571
Page 11 of 12
PCB LAYOUT SUGGESTION
This is only a layout recommendation for best performance and lower EMI. The designer may choose a different approach
but C3, C4, C35, C36, C37, C38, C39and C40 (all are 0.1
f) should always be used and placed as close as possible to
their VDD pins.
Via to VDD Island
Via to GND plane
Via to VCC plane
IMISC643
C36
FB2
C40
5
6
7
8
9
10
11
12
13
14
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
15
16
17
19
20
21
22
23
24
18
30
29
28
27
26
25
31
C37
C3
C39
VCC
1
FB1
C34
22
F
22
F
1
2
3
4
C35
C38
C4
VCC
2
C5
VCC
1
FB3
C41
22
F
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