- 您现在的位置：买卖IC网 > Datasheet目录369 > W9725G6KB-25I (Winbond Electronics)IC DDR2 SDRAM 256MBIT 84WBGA Datasheet资料下载
参数资料
| 型号： | W9725G6KB-25I |
| 厂商： | Winbond Electronics |
| 文件页数： | 2/87页 |
| 文件大小： | 0K |
| 描述： | IC DDR2 SDRAM 256MBIT 84WBGA |
| 标准包装： | 209 |
| 格式 - 存储器： | RAM |
| 存储器类型： | DDR2 SDRAM |
| 存储容量： | 256M（16Mx16） |
| 速度： | 2.5ns |
| 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： | * |
| 其它名称： | Q7118748 |
第1页当前第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页第36页第37页第38页第39页第40页第41页第42页第43页第44页第45页第46页第47页第48页第49页第50页第51页第52页第53页第54页第55页第56页第57页第58页第59页第60页第61页第62页第63页第64页第65页第66页第67页第68页第69页第70页第71页第72页第73页第74页第75页第76页第77页第78页第79页第80页第81页第82页第83页第84页第85页第86页第87页
W9725G6KB
8.4.1.1
8.4.2
8.4.3
8.4.4
8.4.5
Examples of posted CAS operation...................................................................... 23
Burst mode operation ....................................................................................................... 24
Burst read mode operation ............................................................................................... 25
Burst write mode operation .............................................................................................. 25
Write data mask ............................................................................................................... 26
8.5
8.6
Burst Interrupt ..................................................................................................................................... 26
Precharge operation ............................................................................................................................ 27
8.6.1
8.6.2
Burst read operation followed by precharge ..................................................................... 27
Burst write operation followed by precharge .................................................................... 27
8.7
Auto-precharge operation ................................................................................................................... 27
8.7.1
8.7.2
Burst read with Auto-precharge........................................................................................ 28
Burst write with Auto-precharge ....................................................................................... 28
8.8
8.9
Refresh Operation ............................................................................................................................... 29
Power Down Mode .............................................................................................................................. 29
8.9.1
8.9.2
Power Down Entry ........................................................................................................... 30
Power Down Exit .............................................................................................................. 30
9.
10.
8.10
9.1
9.2
9.3
9.4
9.5
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
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 ........................................................................................... 38
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
IDD Measurement Test Parameters .......................................................................................... 42
AC Characteristics ..................................................................................................................... 43
10.12
10.13
10.14
10.11.1
10.11.2
10.14.1
10.14.2
AC Characteristics and Operating Condition for -18 speed grade ................................... 43
AC Characteristics and Operating Condition for -25/25I/25A/25K/-3 speed grade ........... 45
AC Input Test Conditions ........................................................................................................... 66
Differential Input/Output AC Logic Levels .................................................................................. 66
AC Overshoot / Undershoot Specification ................................................................................. 67
AC Overshoot / Undershoot Specification for Address and Control Pins: ........................ 67
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask pins: .......... 67
11.
TIMING WAVEFORMS ....................................................................................................................... 68
Publication Release Date: Sep. 03, 2012
-2-
Revision A03
相关PDF资料 |
PDF描述 |
|---|---|
| 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 |
| W9816G6IH-6I | IC SDRAM 16MBIT 50TSOPII |
相关代理商/技术参数 |
参数描述 |
|---|---|
| W9725G6KB25I TR | 制造商:Winbond Electronics Corp 功能描述:256M DDR2-800, X16, IND TEMP |
| W9725G6KB25K | 制造商:WINBOND 制造商全称:Winbond 功能描述:DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask |
| W9725G6KB-3 | 制造商:WINBOND 制造商全称:Winbond 功能描述:DLL aligns DQ and DQS transitions with clock, Data masks (DM) for write data, Write Data Mask |
| W9725G8JB | 制造商:WINBOND 制造商全称:Winbond 功能描述:8M ? 4 BANKS ? 8 BIT DDR2 SDRAM |
| W9725G8JB25 | 制造商:Winbond Electronics Corp 功能描述:DRAM Chip DDR2 SDRAM 256M-Bit 32Mx8 1.8V 60-Pin WBGA |
发布紧急采购，3分钟左右您将得到回复。