參數(shù)資料
型號(hào): WED9LC6416V1612BC
元件分類: 存儲(chǔ)器
英文描述: SPECIALTY MEMORY CIRCUIT, PBGA153
封裝: MO-163, BGA-153
文件頁數(shù): 10/27頁
文件大小: 370K
代理商: WED9LC6416V1612BC
18
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
WED9LC6416V
January 2001
FIG. 9 SDRAM PAGE READ CYCLE AT DIFFERENT BANK @ BURST LENGTH = 4
CAc
CBd
CAe
RBb
CAa
RAa
CL = 2
Read
(A-Bank)
Read
(A-Bank)
Read
(B-Bank)
Row Active
(B-Bank)
Read
(B-Bank)
Precharge
(A-Bank)
Read
(A-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
QAa2
QAa3
QBb0
QBb1
QBb2
QBb3
QAc0
QAc1
QBd0
QBd1 QAe0
QAe1
CL = 3
QAa2
QAa3
QAa0
QAa1
QAa0
QAa1
QBb0
QBb1
QBb3
QBb2
QAc0
QAc1
QBd0 QBd1
QAe0
QAe1
DON’T CARE
CBb
Note 2
Note 1
RBb
DQ
SDRAS
SDCAS
ADDR
BA
BWE
SDA10
SDCLK
SDCE
SDWE
NOTES:
1. SDCE can be “don’t care” when SDRAS, SDCAS and SDWE are high at the clock going high edge.
2. To interrupt a burst read by Row precharge, both the read and the precharge banks must be the same.
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