參數(shù)資料
型號(hào): W982516AH-8H
英文描述: x16 SDRAM
中文描述: x16內(nèi)存
文件頁(yè)數(shù): 34/41頁(yè)
文件大?。?/td> 1369K
代理商: W982516AH-8H
W982504AH
- 34 -
Operating Timing Example, continued
Autoprecharge Timing (Write Cycle)
Write
Act
AP
0
11
10
9
8
7
6
5
4
3
2
1
D0
D0
D0
D0
AP
Act
D1
AP
Act
D1
D1
D2
D2
D3
D3
D4
D5
D6
D7
AP
Act
Write
Write
Write
(1) CAS
Latency=2
( a ) burst length = 1
Write
Act
AP
When the Auto precharge ccommand.
Activate
represents the Write with Auto precharge
command.
represents the start of internal
precharging.
represents the Bank Activate
Note )
t
RP
t
WR
t
RP
t
WR
t
RP
t
WR
t
RP
t
WR
Command
( b ) burst length = 2
Command
( c ) burst length = 4
Command
( d ) burst length = 8
Command
DQ
DQ
DQ
DQ
D0
AP
Act
AP
Act
D1
D0
AP
Act
D1
D2
D3
AP
Act
D0
D1
D2
D3
D4
D5
D6
D7
Write
Write
Write
Write
D0
(2) CAS
Latency=3
( a ) burst length = 1
Command
t
RP
t
WR
t
RP
t
WR
t
RP
t
WR
t
RP
t
WR
( b ) burst length = 2
Command
( c ) burst length = 4
Command
( d ) burst length = 8
Command
DQ
DQ
DQ
DQ
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