參數(shù)資料
型號: WED416S16030A10SI
廠商: WHITE ELECTRONIC DESIGNS CORP
元件分類: DRAM
英文描述: 16M X 16 SYNCHRONOUS DRAM, 7 ns, PDSO54
封裝: TSOP2-54
文件頁數(shù): 7/26頁
文件大小: 398K
代理商: WED416S16030A10SI
15
White Electronic Designs Corporation (508) 366-5151 www.whiteedc.com
White Electronic Designs
WED416S16030A
FIG. 6 PAGE READ CYCLE AT DIFFERENT BANK @ BURST
LENGTH=4
RAS
CAS
ADDR
BA
DQM
A10/AP
CKE
CLOCK
CE
CAc
CBd
CAe
RBb
CAa
RAa
CL = 2
DQ
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)
WE
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
HIGH
RAa
QAa2 QAa3 QBb0 QBb1 QBb2 QBb3 QAc0 QAc1 QBd0 QBd1 QAe0
QAe1
CL = 3
QAa2 QAa3
QAa0 QAa1
QBb0 QBb1
QBb3
QBb2
QAc0 QAc1 QBd0 QBd1 QAe0
QAe1
DON'T CARE
CBb
Note 2
Note 1
RBb
NOTES:
1. CE can be don't cared when RAS, CAS, and WE are high at the clock high going 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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