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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： | 8/49页 |
| 文件大小： | 1936K |
| 代理商： | W9412G2CB-5 |
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W9412G2CB
Publication Release Date:Jul. 07, 2008
- 16 -
Revision A11
Addressing Sequence of Interleave Mode
A Column access is started from the inputted column address and is performed by
interleaving the address bits in the sequence shown as the following.
Address Sequence for Interleave Mode
DATA
ACCESS ADDRESS
BURST LENGTH
Data 0
A8 A7 A6 A5 A4 A3 A2 A1 A0
2 words
Data 1
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 2
A8 A7 A6 A5 A4 A3 A2 A1 A0
4 words
Data 3
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 4
A8 A7 A6 A5 A4 A3 A2 A1 A0
8 words
Data 5
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 6
A8 A7 A6 A5 A4 A3 A2 A1 A0
Data 7
A8 A7 A6 A5 A4 A3 A2 A1 A0
7.10.3 CAS Latency field (A6 to A4)
This field specifies the number of clock cycles from the assertion of the Read command to the first
data read. The minimum values of CAS Latency depend on the frequency of CLK.
A6
A5
A4
CAS LATENCY
0
Reserved
0
1
Reserved
0
1
0
2
0
1
3
1
0
Reserved
1
0
1
Reserved
1
0
2.5
1
Reserved
7.10.4 DLL Reset bit (A8)
This bit is used to reset DLL. When the A8 bit is “1”, DLL is reset.
7.10.5 Mode Register /Extended Mode register change bits (BA0, BA1)
These bits are used to select MRS/EMRS.
BA1
BA0
A11
A0
0
Regular MRS Cycle
0
1
Extended MRS Cycle
1
x
Reserved
相关PDF资料 |
PDF描述 |
|---|---|
| W9412G6IH-4 | 8M X 16 DDR DRAM, 0.65 ns, PDSO66 |
| W942508AH-8 | 32M X 8 DDR DRAM, 0.8 ns, PDSO66 |
| W942516AH-6 | 16M X 16 DDR DRAM, 0.7 ns, PDSO66 |
| W942516CH-75 | 16M X 16 DDR DRAM, 0.75 ns, PDSO66 |
| W9425G6DH-6F | 16M X 16 DDR DRAM, 0.7 ns, PDSO66 |
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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