參數(shù)資料
型號(hào): W228BH
英文描述: CPU SYSTEM CLOCK GENERATOR|CMOS|SSOP|56PIN|PLASTIC
中文描述: CPU系統(tǒng)時(shí)鐘發(fā)生器|的CMOS | SSOP封裝| 56PIN |塑料
文件頁數(shù): 14/16頁
文件大?。?/td> 172K
代理商: W228BH
W228B
Document #: 38-07180 Rev. **
Page 14 of 16
Layout Diagram
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
6
7
8
9
10
13
14
15
16
17
18
19
20
21
24
25
26
27
28
G = VIA to GND plane layer V =VIA to respective supply plane layer
Note:
Each supply plane or strip should have a
ferrite bead and capacitors
All V
DD
Bypass = 0.1
μ
F
G
+2.5V Supply
1
2
3
4
5
11
12
22
23
40
39
38
31
30
29
36
35
34
33
32
37
C
C
G
V
FB
+3.3V Supply
C4
C1 & C3 = 10
22
μ
F
C2 & C4 = 0.005
μ
F
10
μ
F
FB
C1
C2
0.005
μ
F
FB = Dale ILB1206 - 300 (300
@ 100 MHz)
10
μ
F
0.005
μ
F
G
G
G
G
V
DDQ2
V
DDQ3
C3
C5 = 47
μ
F
C6 = 0.1
μ
F
G
G
5
VDDQ3
C5
C6
G
V
G
V
G
V
G
V
G
V
G
V
G
V
G
V
G
V
W
G
V
Core
PLL2
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
G
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