W215B Просмотр технического описания (PDF) - Cypress Semiconductor
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W215B Datasheet PDF : 13 Pages
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PRELIMINARY
Layout Example
+3.3V Supply
FB
0.005 µF
C4
G
VDDQ3
10 µF
C3
G
G
G
VDDQ3
5Ω
C5 G G C6
1G
2
3
4
5G
6
7V
8G
9
10 G
11
12
13
14 G
15 V
16 G
17
18
19
20 G
21
22
23
24 G
+2.5V Supply
VDDQ2
FB
10 µF
C1
G
0.005 µF
C2
G
G 48
47
V46
G
G 45
44
43
42
G 41
V40
G
G 39
38
37
36
G 35
3 4 VDDQ3
V
Core
G
G 33
32
G 31
30
G 29
V28
G
G 27
26
G V25
G
W215B
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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