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参数资料
| 型号： | W9412G2CB-5 |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | DRAM |
| 英文描述： | 4M X 32 DDR DRAM, 0.6 ns, PBGA144 |
| 封装： | 12 X 12 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LFBGA-144 |
| 文件页数： | 11/49页 |
| 文件大小： | 1936K |
| 代理商： | W9412G2CB-5 |
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W9412G2CB
Publication Release Date:Jul. 07, 2008
- 19 -
Revision A11
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
BA, CA, A8
READ/READA
ILLEGAL
3
L
H
L
BA, CA, A8
WRIT/WRITA
ILLEGAL
3
L
H
BA, RA
ACT
Row activating
L
H
L
BA, A8
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
BA, CA, A8
READ/READA
Begin read: Determine AP
4
L
H
L
BA, CA, A8
WRIT/WRITA
Begin write: Determine AP
4
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A8
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
BA, CA, A8
READ/READA
Term burst, new read: Determine AP
6
L
H
L
BA, CA, A8
WRIT/WRITA
ILLEGAL
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A8
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
BA, CA, A8
READ/READA
Term burst, start read: Determine AP
6, 7
L
H
L
BA, CA, A8
WRIT/WRITA
Term burst, start read: Determine AP
6
L
H
BA, RA
ACT
ILLEGAL
3
L
H
L
BA, A8
PRE/PREA
Term burst, Precharging
8
L
H
X
AREF/SELF
ILLEGAL
Write
L
Op-Code
MRS/EMRS
ILLEGAL
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| W942516AH-6 | 16M X 16 DDR DRAM, 0.7 ns, PDSO66 |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W9412G2IB | 制造商:WINBOND 制造商全称:Winbond 功能描述:1M × 4 BANKS × 32 BITS GDDR SDRAM |
| W9412G2IB4 | 制造商:WINBOND 制造商全称:Winbond 功能描述:Double Data Rate architecture; two data transfers per clock cycle |
| W9412G2IB-5 | 制造商:Winbond Electronics Corp 功能描述:8*16 DDR1 |
| W9412G6CH | 制造商:WINBOND 制造商全称:Winbond 功能描述:2M 】 4 BANKS 】 16 BITS DDR SDRAM |
| W9412G6IH | 制造商:WINBOND 制造商全称:Winbond 功能描述:2M × 4 BANKS × 16 BITS DDR SDRAM |
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