參數(shù)資料
型號: W982516AH-8H
英文描述: x16 SDRAM
中文描述: x16內(nèi)存
文件頁數(shù): 36/41頁
文件大?。?/td> 1369K
代理商: W982516AH-8H
W982504AH
- 36 -
Operating Timing Example, continued
Timing Chart of Burst Stop Cycle (Burst Stop Command)
Read
BST
0
11
10
9
8
7
6
5
4
3
2
1
DQ
Q0
Q1
Q2
Q3
BST
( a ) CAS latency =2
Command
( b )CAS latency = 3
(1) Read cycle
Q4
(2) Write cycle
Command
Read
Command
Q0
Q1
Q2
Q3
Q4
Q0
Q1
Q2
Q3
Q4
DQ
DQ
Write
BST
Note: represents the Burst stop command
BST
Timing Chart of Burst Stop Cycle (Precharge Command)
In the case of Burst Lenght = 8
Read
PRCG
0
11
10
9
8
7
6
5
4
3
2
1
Q0
Q1
Q2
Q3
Q0
Q1
Q2
Q3
Read
PRCG
Q4
Q4
( a )CAS latency =2
Command
( b )CAS latency = 3
Command
DQ
DQ
DQ
( b )CAS latency = 3
Command
(1) Read cycle
(2) Write cycle
Write
Write
PRCG
PRCG
( a ) CAS latency =2
Command
DQM
DQM
t
WR
t
WR
D0
D1
D2
D3
D4
DQ
D0
D1
D2
D3
D4
DQ
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