W209C Datasheet, PDF (14/16 Pages) SpectraLinear Inc – Frequency Generator for Integrated Core Logic with 133MHz FSB

PRELIMINARY
Layout Diagram
VDDQ3
5Ω
+3.3V Supply
FB
0.005 µF
C4
G
VDDQ3
10 µF
C3
G
1^G
G
2^V
3^G
4
5^G
G
6^V
7^G
8
9^G
10
11
12
13 ^G
14
15 ^G
G
16 ^V
17 ^G
18
19
20 ^G
21
22
23
24 ^G
C5 G G C6
W209C
+2.5V Supply
FB
VDDQ2
10 µF 0.005 µf
C1
C2
GG
µ
V ₄₈
G
G ₄₇
V ₄₆
G
G ₄₅
44
G ₄₃
V ₄₂
G
G ₄₁
40
39
G ₃₈
37
36
G 35
V ₃₄
G
G ₃₃
32
31
G ₃₀
29
28
27 VDDQ3
Core ^V
G
G ₂₆
G ₂₅
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
Document #: 38-07171 Rev. *A
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