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參數(shù)資料
| 型號(hào)： | W9425G6EH-5I |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 16M X 16 DDR DRAM, 0.7 ns, PDSO66 |
| 封裝： | 0.400 INCH, ROHS COMPLIANT, TSOP2-66 |
| 文件頁數(shù)： | 8/54頁 |
| 文件大?。?/td> | 0K |
| 代理商： | W9425G6EH-5I |
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W9425G6EH
Publication Release Date:Dec. 03, 2008
- 16 -
Revision A08
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
4
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
A12-A0
0
Regular MRS Cycle
0
1
Extended MRS Cycle
1
x
Reserved
7.10.6 Extended Mode Register field
1) DLL Switch field (A0)
This bit is used to select DLL enable or disable
A0
DLL
0
Enable
1
Disable
2) Output Driver Size Control field (A6, A1)
The 100%, 60% and 30% or matched impedance driver strength are required Extended Mode
Register Set (EMRS) as the following:
A6
A1
BUFFER STRENGTH
0
100% Strength
0
1
60% Strength
1
0
Reserved
1
30% Strength
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PDF描述 |
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| WS512K32-55G2UMA | 512K X 32 MULTI DEVICE SRAM MODULE, 55 ns, CQFP68 |
| WS512K32-45G2UM | 512K X 32 MULTI DEVICE SRAM MODULE, 45 ns, CQFP68 |
| WS512K32L-45G4TM | 512K X 32 MULTI DEVICE SRAM MODULE, 45 ns, CQFP68 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W9425G6JB-5 | 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 16Mx16 2.5V 60-Pin TFBGA 制造商:Winbond Electronics 功能描述:IC MEMORY 制造商:Winbond Electronics Corp 功能描述:IC MEMORY 制造商:Winbond 功能描述:16MX16,256Mb DDRI DRAM ,200MHZ, BGA |
| W9425G6JB-5 TR | 制造商:Winbond Electronics Corp 功能描述:256M DDR SDRAM X16, 200MHZ |
| W9425G6JB-5I | 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 16Mx16 2.5V 制造商:Winbond Electronics 功能描述:IC MEMORY 制造商:Winbond Electronics Corp 功能描述:IC MEMORY |
| W9425G6JB-5I TR | 制造商:Winbond Electronics Corp 功能描述:256M DDR SDRAM X16, 200MHZ, IN |
| W9425G6JH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:4 M × 4 BANKS × 16 BITS DDR SDRAM |
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