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| 型号： | W9425G6JB-5 |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | DRAM |
| 英文描述： | DDR DRAM, PBGA60 |
| 封装： | 8 X 13 MM, ROHS COMPLIANT, TFBGA-60 |
| 文件页数： | 1/50页 |
| 文件大小： | 852K |
| 代理商： | W9425G6JB-5 |
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W9425G6JB
4 M
× 4 BANKS × 16 BITS DDR SDRAM
Publication Release Date: Oct. 08, 2010
- 1 -
Revision A01
Table of Contents-
1.
GENERAL DESCRIPTION............................................................................................................. 4
2.
FEATURES .................................................................................................................................... 4
3.
KEY PARAMETERS ...................................................................................................................... 5
4.
BALL CONFIGURATION ............................................................................................................... 6
5.
BALL DESCRIPTION ..................................................................................................................... 7
6.
BLOCK DIAGRAM ......................................................................................................................... 8
7.
FUNCTIONAL DESCRIPTION....................................................................................................... 9
7.1
Power Up Sequence............................................................................................................ 9
7.2
Command Function ........................................................................................................... 10
7.2.1 Bank Activate Command ........................................................................................ 10
7.2.2 Bank Precharge Command .................................................................................... 10
7.2.3 Precharge All Command ........................................................................................ 10
7.2.4 Write Command...................................................................................................... 10
7.2.5 Write with Auto-precharge Command .................................................................... 10
7.2.6 Read Command...................................................................................................... 10
7.2.7 Read with Auto-precharge Command .................................................................... 10
7.2.8 Mode Register Set Command ................................................................................ 11
7.2.9 Extended Mode Register Set Command................................................................ 11
7.2.10 No-Operation Command ........................................................................................ 11
7.2.11 Burst Read Stop Command.................................................................................... 11
7.2.12 Device Deselect Command .................................................................................... 11
7.2.13 Auto Refresh Command ......................................................................................... 11
7.2.14 Self Refresh Entry Command................................................................................. 12
7.2.15 Self Refresh Exit Command ................................................................................... 12
7.2.16 Data Write Enable /Disable Command................................................................... 12
7.3
Read Operation ................................................................................................................. 12
7.4
Write Operation ................................................................................................................. 13
7.5
Precharge .......................................................................................................................... 13
7.6
Burst Termination .............................................................................................................. 13
7.7
Refresh Operation ............................................................................................................. 13
7.8
Power Down Mode ............................................................................................................ 14
7.9
Input Clock Frequency Change during Precharge Power Down Mode ............................ 14
7.10 Mode Register Operation .................................................................................................. 14
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| W9425G8DH-6 | 32M X 8 DDR DRAM, 0.7 ns, PDSO66 |
| W946432AD-6 | 2M X 32 DDR DRAM, 0.1 ns, PQFP100 |
| W947D6HBHX6E | 8M X 16 DDR DRAM, 5 ns, PBGA60 |
| W9602BB | PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 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 制造商全称:Winbond 功能描述:4 M × 4 BANKS × 16 BITS DDR SDRAM |
| W9425G6JH-4 | 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR SDRAM 256M-Bit 16Mx16 2.5V 66-Pin TSOP-II 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 DDR,250MHZ,2.5V , TSOP 66PIN GREEN |
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