參數(shù)資料
型號(hào): 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(yè)數(shù): 2/21頁(yè)
文件大?。?/td> 693K
代理商: WED9LAPC2C16P8BI
10
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 4 – SDRAM SINGLE BIT READ-WRITE-READ CYCLE (SAME PAGE)
@CAS LATENCY = 3, BURST LENGTH = 1
GCK
VCRAS#
VCCAS#
VCADDR
VCBS
VCADDR9/AP
VCDATA
VCWE#
VCDQM#
Row Active
Read
Write
Read
Precharge
Row Active
DON’ T CARE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
tCC
tCH
tCL
tRCD
tSS
tSH
tSS
tSH
tSS
tSH
tSS
tSH
tSS
tSH
tSS
tSH
tSS
tSH
tRCD
tRAS
tRP
tCCD
tRAC
tSAC
tSLZ
tOH
Ra
Ca
BS
Rb
Qc
Qa
Db
Cb
Cc
Rb
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