參數(shù)資料
型號: EDI9LC644V
英文描述: 128Kx32 SSRAM/1Mx32 SDRAM Array(3.3V,128x32同步靜態(tài)RAM和1Mx32同步動(dòng)態(tài)RAM陣列)
中文描述: 128Kx32 SSRAM/1Mx32內(nèi)存陣列(3.3伏,128x32同步靜態(tài)內(nèi)存和1Mx32同步動(dòng)態(tài)內(nèi)存陣列)
文件頁數(shù): 11/26頁
文件大?。?/td> 460K
代理商: EDI9LC644V
19
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
EDI9LC644V
EDI9LC644AV
FIG. 11 SDRAM READ & WRITE CYCLE AT DIFFERENT BANK @ BURST LENGTH = 4
RAc
CAc
CAa
RBb
RAa
CL = 2
Read
(A-Bank)
Row Active
(A-Bank)
Read
(A-Bank)
Write
(B-Bank)
Precharge
(A-Bank)
Row Active
(B-Bank)
Row Active
(A-Bank)
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
RAa
QAa3
DBb0
DBb1
DBb2
DBb3
QAc0
QAc1
QAa1
QAa0
QAa2
DON'T CARE
CBb
Note 1
RAc
RBb
tCDL
QAc2
CL = 3
DQ
QAa3
DBb0
DBb1
DBb2
DBb3
QAc0
QAc1
QAa1
QAa0
QAa2
SDRAS
SDCAS
ADDR
A11 (BA)
BWE
SDA10
SDCLK
SDCE
SDWE
NOTES:
1. tCDL should be met to complete write.
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