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參數資料
型號: W982516BH
廠商: WINBOND ELECTRONICS CORP
英文描述: 4M X 4 BANKS X 16 BIT SDRAM
中文描述: 4米× 4銀行× 16位SDRAM
文件頁數: 36/43頁
文件大小: 1570K
代理商: W982516BH
W982516BH
- 36 -
Operating Timing Example, continued
Auto Precharge 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 cocommand.
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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參數描述
W982516BH-7 制造商:WINBOND 制造商全稱:Winbond 功能描述:4M X 4 BANKS X 16 BIT SDRAM
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W982516BH75L 制造商:WINBOND 制造商全稱:Winbond 功能描述:4M X 4 BANKS X 16 BIT SDRAM
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