W255H Cypress Semiconductor Corp, W255H Datasheet - Page 8

• Manufacturer Part Number: W255H
• Manufacturer: Cypress Semiconductor Corp

Specifications of W255H

• Lead Free Status / Rohs Status: Not Compliant

Document #: 38-07255 Rev. *C
Layout Example SDRAM (Mixed Voltage)
Note: Each supply plane or strip should have a ferrite bead and capacitors
All bypass caps = 0.1 F ceramic
G = VIA to GND plane layer
Ceramic Caps C1 and C3 = 10–22
FB = Dale ILB1206 - 300 (300 @ 100 MHz) or TDK ACB 2012L-120
G
G
G
G
G
C4
0.005 mF
FB
G
10 mF
G
C3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
VDDQ3
G
V
V
V
G
V
V
G
G
G
G
G
G
V = VIA to respective supply plane layer
FC2 & C4 = 0.005 F
G
VDDQ2
G
G
G
G
G
G
G
V
G
G
V
V
V
48
47
46
45
44
43
42
41
40
38
37
36
35
34
33
32
31
30
29
28
27
26
25
39
C1
C6 = 0.1 F
10 mF
G
0.005 mf
FB
G
C2
G
G
G
G
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