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参数资料
| 型号： | W971GG6JB25I |
| 厂商： | Winbond Electronics |
| 文件页数： | 1/87页 |
| 文件大小： | 0K |
| 描述： | IC DDR2 SDRAM 1GBIT 84WBGA |
| 标准包装： | 200 |
| 格式 - 存储器： | RAM |
| 存储器类型： | DDR2 SDRAM |
| 存储容量： | 1G（64M x 16） |
| 接口： | 并联 |
| 电源电压： | 1.7 V ~ 1.9 V |
| 工作温度： | -40°C ~ 95°C |
| 封装/外壳： | 84-TFBGA |
| 供应商设备封装： | 84-WBGA（8x12.5） |
| 包装： | 托盘 |
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W971GG6JB
8M ? 8 BANKS ? 16 BIT DDR2 SDRAM
Table of Contents-
1.
2.
3.
4.
5.
6.
7.
8.
8.1
8.2
GENERAL DESCRIPTION ................................................................................................................... 4
FEATURES ........................................................................................................................................... 4
ORDER INFORMATION ....................................................................................................................... 5
KEY PARAMETERS ............................................................................................................................. 5
BALL CONFIGURATION ...................................................................................................................... 6
BALL DESCRIPTION ............................................................................................................................ 7
BLOCK DIAGRAM ................................................................................................................................ 8
FUNCTIONAL DESCRIPTION .............................................................................................................. 9
Power-up and Initialization Sequence ................................................................................................... 9
Mode Register and Extended Mode Registers Operation ................................................................... 10
8.2.1
8.2.2
8.2.2.1
8.2.2.2
8.2.2.3
8.2.2.4
8.2.3
8.2.3.1
8.2.3.2
8.2.3.3
8.2.4
8.2.5
8.2.5.1
Mode Register Set Command (MRS)............................................................................... 10
Extend Mode Register Set Commands (EMRS) .............................................................. 11
Extend Mode Register Set Command (1), EMR (1) ................................................ 11
DLL Enable/Disable ................................................................................................ 12
Extend Mode Register Set Command (2), EMR (2) ................................................ 13
Extend Mode Register Set Command (3), EMR (3) ................................................ 14
Off-Chip Driver (OCD) Impedance Adjustment ................................................................ 15
Extended Mode Register for OCD Impedance Adjustment .................................... 16
OCD Impedance Adjust .......................................................................................... 16
Drive Mode ............................................................................................................. 17
On-Die Termination (ODT) ............................................................................................... 18
ODT related timings ......................................................................................................... 18
MRS command to ODT update delay ..................................................................... 18
8.3
Command Function ............................................................................................................................. 20
8.3.1
8.3.2
8.3.3
8.3.4
8.3.5
8.3.6
8.3.7
8.3.8
8.3.9
8.3.10
8.3.11
Bank Activate Command .................................................................................................. 20
Read Command ............................................................................................................... 21
Write Command ............................................................................................................... 21
Burst Read with Auto-precharge Command ..................................................................... 21
Burst Write with Auto-precharge Command ..................................................................... 21
Precharge All Command .................................................................................................. 21
Self Refresh Entry Command .......................................................................................... 21
Self Refresh Exit Command ............................................................................................. 22
Refresh Command ........................................................................................................... 22
No-Operation Command .................................................................................................. 23
Device Deselect Command .............................................................................................. 23
8.4
Read and Write access modes ........................................................................................................... 23
8.4.1
Posted CAS .................................................................................................................... 23
Publication Release Date: Sep. 24, 2013
-1-
Revision A09
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W971GG6JB-25I | 制造商:Winbond Electronics 功能描述:-40~85 1GB DDR2 FOR INDUSTRY |
| W971GG6JB25ITR | 制造商:Winbond Electronics Corp 功能描述:1G, DDR2-800, X16, IND TEMP |
| W971GG6JB25TR | 制造商:Winbond Electronics Corp 功能描述:NR, DDR2-800, X16 |
| W971GG6JB-3 | 制造商:Winbond Electronics Corp 功能描述:1GBIT DDRII |
| W971GG6KB-18 | 制造商:Winbond Electronics Corp 功能描述:1G, DDR2-1066, X16 制造商:Winbond Electronics Corp 功能描述:IC MEMORY |
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