收藏本站
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
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
W971GG8JB-25 IC DDR2 SDRAM 1GBIT 60WBGA
W9725G6IB-25 IC DDR2-800 SDRAM 256MB 84-WBGA
W9725G6JB25I IC DDR2 SDRAM 256MBIT 84WBGA
W9725G6KB-25I IC DDR2 SDRAM 256MBIT 84WBGA
W972GG6JB-3I IC DDR2 SDRAM 2GBITS 84WBGA
W9751G6IB-25 IC DDR2-800 SDRAM 512MB 84-WBGA
W9751G6KB-25 IC DDR2 SDRAM 512MBIT 84WBGA
W9812G6JH-6I IC SDRAM 128MBIT 54TSOPII
相关代理商/技术参数
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
W971GG8JB 制造商:WINBOND 制造商全称:Winbond 功能描述:16M × 8 BANKS × 8 BIT DDR2 SDRAM
W971GG8JB-25 功能描述:IC DDR2 SDRAM 1GBIT 60WBGA RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:72 系列:- 格式 - 存储器:RAM 存储器类型:SRAM - 同步 存储容量:4.5M（256K x 18） 速度:133MHz 接口:并联 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 70°C 封装/外壳:100-LQFP 供应商设备封装:100-TQFP（14x20） 包装:托盘
W9725G6IB-25 功能描述:IC DDR2-800 SDRAM 256MB 84-WBGA RoHS:是 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:1,000 系列:- 格式 - 存储器:EEPROMs - 串行 存储器类型:EEPROM 存储容量:4K (512 x 8) 速度:400kHz 接口:I²C，2 线串口 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 封装/外壳:8-SOIC（0.173"，4.40mm 宽） 供应商设备封装:8-MFP 包装:带卷 (TR)