W210H Datasheet, PDF (13/14 Pages) Cypress Semiconductor – Spread Spectrum FTG for VIA K7 Chipset

Layout Diagram
+3.3V Supply
FB
0.005 µF
C4
VDDQ3
10 µF
C3
GG
G
1 ^{V VDDQ3}
2 ^{G Core}
3^G
4
5^G
G
6^V
7^G
8
9^G
10
11
12
13 ^G
G
14 ^V
15 ^G
16
17
18 ^G
G
19 ^V
20 ^G
21
22 ^G
23
24 ^G
48
G ₄₇
46
G ₄₅
44
G ₄₃
V ₄₂
G ₄₁
40
G ₃₉
38
37
V ₃₆
G ₃₅
34
G ₃₃
32
G ₃₁
V ₃₀
G ₂₉
28
27
26
G ₂₅
W210
µ
G
G
G
VDDQ3
5Ω
C5 G G C6
FB = Dale ILB1206 - 300 (300Ω @ 100 MHz)
C1 & C3 = 10–22 µF C2 & C4 = 0.005 µF ^{C5 = 47 µF} C6 = 0.1 µF
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.
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