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參數(shù)資料
| 型號： | W9425G8DH-6 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 32M X 8 DDR DRAM, 0.7 ns, PDSO66 |
| 封裝： | 0.400 INCH, 0.65 MM PITCH, ROHS COMPLIANT, TSOP2-66 |
| 文件頁數(shù)： | 10/53頁 |
| 文件大?。?/td> | 1920K |
| 代理商： | W9425G8DH-6 |
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W9425G8DH
Publication Release Date: Nov. 20, 2007
- 18 -
Revision A4
8.2 Function Truth Table
(Note 1)
CURRENT
STATE
CS RAS
CAS WE
ADDRESS
COMMAND
ACTION
NOTES
H
X
DSL
NOP
L
H
X
NOP/BST
NOP
L
H
L
H
BS, CA, A10
READ/READA
ILLEGAL
3
L
H
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
3
L
H
BS, RA
ACT
Row activating
L
H
L
BS, A10
PRE/PREA
NOP
L
H
X
AREF/SELF
Refresh or Self refresh
2
Idle
L
Op-Code
MRS/EMRS
Mode register accessing
2
H
X
DSL
NOP
L
H
X
NOP/BST
NOP
L
H
L
H
BS, CA, A10
READ/READA
Begin read: Determine AP
4
L
H
L
BS, CA, A10
WRIT/WRITA
Begin write: Determine AP
4
L
H
BS, RA
ACT
ILLEGAL
3
L
H
L
BS, A10
PRE/PREA
Precharge
5
L
H
X
AREF/SELF
ILLEGAL
Row Active
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
DSL
Continue burst to end
L
H
X
NOP
Continue burst to end
L
H
L
X
BST
Burst stop
L
H
L
H
BS, CA, A10
READ/READA
Term burst, new read: Determine AP
6
L
H
L
BS, CA, A10
WRIT/WRITA
ILLEGAL
L
H
BS, RA
ACT
ILLEGAL
3
L
H
L
BS, A10
PRE/PREA
Term burst, precharging
L
H
X
AREF/SELF
ILLEGAL
Read
L
Op-Code
MRS/EMRS
ILLEGAL
H
X
DSL
Continue burst to end
L
H
X
NOP
Continue burst to end
L
H
L
X
BST
ILLEGAL
L
H
L
H
BS, CA, A10
READ/READA
Term burst, start read: Determine AP
6, 7
L
H
L
BS, CA, A10
WRIT/WRITA
Term burst, start read: Determine AP
6
L
H
BS, RA
ACT
ILLEGAL
3
L
H
L
BS, A10
PRE/PREA
Term burst, precharging
8
L
H
X
AREF/SELF
ILLEGAL
Write
L
Op-Code
MRS/EMRS
ILLEGAL
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PDF描述 |
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| W946432AD-6 | 2M X 32 DDR DRAM, 0.1 ns, PQFP100 |
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| W9605BB | PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W9425G8EH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M × 4 BANKS × 8 BITS DDR SDRAM |
| W946432AD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 4 BANKS X 32 BITS DDR SDRAM |
| 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 |
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