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參數(shù)資料
| 型號： | W946432AD |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 512K X 4 BANKS X 32 BITS DDR SDRAM |
| 中文描述： | 為512k × 4銀行× 32位DDR內(nèi)存 |
| 文件頁數(shù)： | 14/40頁 |
| 文件大小： | 462K |
| 代理商： | W946432AD |
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W946432AD
14
Function TRUTH TABLE (NOTE 1)
CURRENT
STATE
CS
RAS
CAS
WE Address
Command
ACTION
NOTE
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
L
L
H
H
L
L
X
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
X
H
L
H
L
H
L
X
X
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
X
DSL
NOP
NOP
NOP, BST
BA, CA,A8 Read, Read A ILLEGAL
BA, CA,A8 Write, Write A ILLEGAL
BA, RA
ACT
BA, A8
PRE, PRE A NOP
X
AREF, SREF Refresh or Self refresh
Op-Code
MRS, EMRS Mode register accessing
X
DSL
X
NOP, BST
BA, CA,A8 Read, Read A READ (start READ burst)
BA, CA,A8 Write, Write A WRITE (start WRITE burst)
BA, RA
ACT
ILLEGAL
BA, A8
PRE, PRE A PRECHARGE
X
AREF, SREF ILLEGAL
Op-Code
MRS, EMRS ILLEGAL
X
DSL
Continue burst to end
X
NOP
Continue burst to end
X
BST
Burst stop
BA, CA,A8 Read, Read A Term burst, start new READ burst
BA, CA,A8 Write, Write A ILLEGAL
BA, RA
ACT
ILLEGAL
BA, A8
PRE, PRE A Term burst, PRECHARGE
X
AREF, SREF ILLEGAL
Op-Code
MRS, EMRS ILLEGAL
X
DSL
Continue burst to end
X
NOP
Continue burst to end
X
BST
ILLEGAL
BA, CA,A8 Read, Read A ILLEGAL
BA, CA,A8 Write, Write A Term burst, start new READ burst
BA, RA
ACT
ILLEGAL
BA, A8
PRE, PRE A Term burst, PRECHARGE
X
AREF, SREF ILLEGAL
Op-Code
MRS, EMRS ILLEGAL
X
DSL
Continue burst to end
X
NOP
Continue burst to end
X
BST
ILLEGAL
BA, CA,A8 Read, Read A ILLEGAL
BA, CA,A8 Write, Write A ILLEGAL
BA, RA
ACT
ILLEGAL
BA, A8
PRE, PRE A ILLEGAL
X
AREF, SREF ILLEGAL
Op-Code
MRS, EMRS ILLEGAL
X
DSL
Continue burst to end
X
NOP
Continue burst to end
X
BST
ILLEGAL
BA, CA,A8 Read, Read A ILLEGAL
BA, CA,A8 Write, Write A ILLEGAL
BA, RA
ACT
ILLEGAL
BA, A8
PRE, PRE A ILLEGAL
X
AREF, SREF ILLEGAL
Op-Code
MRS, EMRS ILLEGAL
3
3
2
2
4
4
3
5
6
3
3
6,7
3
8
ACTIVE (select and activate row)
Idle
NOP
NOP
Row Active
Read
Write
Read with
Auto
rpecharge
Write with
Auto
precharge
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W9464G6IB | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M × 4 BANKS × 16 BITS DDR SDRAM |
| W9464G6IH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M ?? 4 BANKS ?? 16 BITS DDR SDRAM |
| W9464G6JH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M ? 4 BANKS ? 16 BITS DDR SDRAM |
| W9464G6JH-4 | 制造商:Winbond Electronics Corp 功能描述:IC DDR SDRAM 64M 200MHZ 66TSOP |
| W9464G6JH-5 | 制造商:Winbond Electronics Corp 功能描述:64MBIT DDRI 制造商:Winbond Electronics Corp 功能描述:IC DDR SDRAM 64M 200MHZ 66TSOP |
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