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): 21/21頁
文件大小: 693K
代理商: WED9LAPC2C16P8BI
9
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 3 – SDRAM POWER UP SEQUENCE
GCK
VCRAS#
VCCAS#
VCADDR
VCBS
VCADDR9/AP
VCDATA
VCWE#
VCDQM#
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
tRP
tRFC
Key
RAa
HIGH-Z
High level is necessary
Precharge
(All Banks)
Auto Refresh
Mode Register Set
Row Active
(A-Bank)
DON’T CARE
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