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| 型号： | W9751G6IB-25 |
| 厂商： | Winbond Electronics |
| 文件页数： | 2/86页 |
| 文件大小： | 0K |
| 描述： | IC DDR2-800 SDRAM 512MB 84-WBGA |
| 标准包装： | 210 |
| 格式 - 存储器： | RAM |
| 存储器类型： | DDR2 SDRAM |
| 存储容量： | 512M（32Mx16） |
| 速度： | 2.5ns |
| 接口： | 并联 |
| 电源电压： | 1.7 V ~ 1.9 V |
| 工作温度： | 0°C ~ 85°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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W9751G6IB
7.4.2
7.4.3
7.4.4
7.4.5
Burst mode operation.......................................................................................................24
Burst read mode operation...............................................................................................25
Burst write mode operation ..............................................................................................25
Write data mask ...............................................................................................................26
7.5
7.6
Burst Interrupt .....................................................................................................................................26
Precharge operation............................................................................................................................27
7.6.1
7.6.2
Burst read operation followed by precharge.....................................................................27
Burst write operation followed by precharge ....................................................................27
7.7
Auto-precharge operation ...................................................................................................................27
7.7.1
7.7.2
Burst read with Auto-precharge........................................................................................28
Burst write with Auto-precharge .......................................................................................28
7.8
7.9
Refresh Operation...............................................................................................................................29
Power Down Mode..............................................................................................................................29
7.9.1
7.9.2
Power Down Entry ...........................................................................................................30
Power Down Exit..............................................................................................................30
8.
9.
7.10
8.1
8.2
8.3
8.4
8.5
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
Input clock frequency change during precharge power down .............................................................30
OPERATION MODE ...........................................................................................................................31
Command Truth Table ........................................................................................................................31
Clock Enable (CKE) Truth Table for Synchronous Transitions............................................................32
Data Mask (DM) Truth Table...............................................................................................................32
Function Truth Table ...........................................................................................................................33
Simplified Stated Diagram...................................................................................................................36
ELECTRICAL CHARACTERISTICS ...................................................................................................37
Absolute Maximum Ratings.................................................................................................................37
Operating Temperature Condition.......................................................................................................37
Recommended DC Operating Conditions ...........................................................................................37
ODT DC Electrical Characteristics ......................................................................................................38
Input DC Logic Level...........................................................................................................................38
Input AC Logic Level ...........................................................................................................................38
Capacitance ........................................................................................................................................39
Leakage and Output Buffer Characteristics ........................................................................................39
DC Characteristics ..............................................................................................................................40
9.9.1
DC Characteristics for 25F/-25/-3 speed grades ..............................................................40
9.10
9.11
IDD Measurement Test Parameters....................................................................................................42
AC Characteristics ..............................................................................................................................43
9.11.1
9.11.2
AC Characteristics and Operating Condition for 25F speed grade ..................................43
AC Characteristics and Operating Condition for -25/-3 speed grade ...............................45
9.12
9.13
9.14
AC Input Test Conditions ....................................................................................................................65
Differential Input/Output AC Logic Levels ...........................................................................................65
AC Overshoot / Undershoot Specification ...........................................................................................66
9.14.1
9.14.2
AC Overshoot / Undershoot Specification for Address and Control Pins: ........................66
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask pins:..........66
10.
TIMING WAVEFORMS .......................................................................................................................67
Publication Release Date: Oct. 23, 2009
-2-
Revision A06
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相关代理商/技术参数 |
参数描述 |
|---|---|
| W9751G6JB | 制造商:WINBOND 制造商全称:Winbond 功能描述:8M ? 4 BANKS ? 16 BIT DDR2 SDRAM |
| W9751G6JB-25 | 制造商:Winbond Electronics Corp 功能描述:512GB DDRII |
| W9751G6JB-3 | 制造商:Winbond Electronics Corp 功能描述:512MB DDRII |
| W9751G6KB | 制造商:WINBOND 制造商全称:Winbond 功能描述:8M ? 4 BANKS ? 16 BIT DDR2 SDRAM |
| W9751G6KB-18 | 制造商:Winbond Electronics Corp 功能描述:IC MEMORY |
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