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參數(shù)資料
| 型號： | WED9LAPC2C16P8BI |
| 廠商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分類： | DRAM |
| 英文描述： | 4M X 32 SYNCHRONOUS DRAM, PBGA153 |
| 封裝： | 14 X 22 MM, BGA-153 |
| 文件頁數(shù)： | 8/21頁 |
| 文件大?。?/td> | 693K |
| 代理商： | WED9LAPC2C16P8BI |
16
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WED9LAPC2B16P8BC
November 2001
Rev. 1
White Electronic Designs Corp. reserves the right to change products or specications without notice.
FIGURE 10 – SDRAM READ & WRITE CYCLE WITH AUTO PRECHARGE @BURST LENGTH = 4
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
GCK
VCRAS#
VCCAS#
VCADDR
VCBS
VCADDR9/AP
VCDATA
VCWE#
VCDQM#
CL = 2
CL = 3
Row Active
(A-Bank)
Row Active
(B-Bank)
Read with
Auto Precharge
(A-Bank)
Write with
Auto Precharge
(B-Bank)
Auto Precharge
Start Point
(A-Bank)
Auto Precharge
Start Point
(B-Bank)
DON’T CARE
Ra
Ca
Cb
Rb
Ra
Qa0
Qa1
Qa2
Qa3
Db0
Db1
Db2
Db3
Db0
Db1
Db2
Db3
Qa0
Qa1
Qa2
Qa3
Note:
1. tCDL should be controlled to meet minimum tRAS before internal precharge start.
(In the case of Burst Length = 1 & 2 and BRSW mode)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| WED9LAPC2C16V8BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC2C16V8BI | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC3C16V8BC | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LAPC3C16V8BI | 制造商:WEDC 制造商全稱:White Electronic Designs Corporation 功能描述:512K x 32 SSRAM / 1M x 64 SDRAM |
| WED9LC6416V | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:128Kx32 SSRAM/4Mx32 SDRAM |
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