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参数资料
| 型号： | W254B |
| 英文描述： | Clocks and Buffers |
| 中文描述： | 时钟和缓冲器 |
| 文件页数： | 15/17页 |
| 文件大小： | 247K |
| 代理商： | W254B |
W254B
Document #: 38-07233 Rev. *A
Page 15 of 17
Layout Diagram
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
6
7
8
9
10
13
14
15
16
17
18
19
20
21
24
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
+2.5V Supply
1
2
3
4
5
11
12
22
23
32
31
30
28
27
26
25
29
G
V
G
FB
+3.3V Supply
C4
C1, C3 & C5 = 10
–
22
μ
F C2 & C4 = 0.005
μ
F
10
μ
F
FB
C1
C2
μ
0.005
μ
F
FB = Dale ILB1206 - 300 (300
@ 100 MHz)
10
μ
F
0.005
μ
F
G
G
G
G
VDDQ2
VDDQ3
C3
C6 = 0.1
μ
F
G
G
10
VDDQ3
C5
C6
G
V
G
V
G
V
G
G
G
G
V
G
V
G
V
G
V
Core
W
G
G
G
G
G
G
G
G
G
G
G
G
G
Ceramic Caps
相关PDF资料 |
PDF描述 |
|---|---|
| W255 | Clocks and Buffers |
| W255H | 200-MPz 24-Output Buffer for 4DDR or 3 SDRAM DIMMS |
| W255HT | 200-MPz 24-Output Buffer for 4DDR or 3 SDRAM DIMMS |
| W25P010AD-8 | x32 Fast Synchronous SRAM |
| W25P010AF-6 | x32 Fast Synchronous SRAM |
相关代理商/技术参数 |
参数描述 |
|---|---|
| W254BX | 制造商:Cypress Semiconductor 功能描述: |
| W254E11 | 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:CV Motion Control Op./Intro. DX CODE ZA |
| W255 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:200-MHz 24-Output Buffer for 4 DDR or 3 SDRAM DIMMS |
| W2551 | 制造商:Performance Tool 功能描述:USB Rechargeable LED Key Light 制造商:PERFORMANCE TOOLS 功能描述:USB RECHARGEABLE LIGHT KEYCHAIN |
| W255E11 | 制造商:OMRON INDUSTRIAL AUTOMATION 功能描述:CV Motion Control Op./Details DX CODE ZA |
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