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MT41J256M8 参数 Datasheet PDF下载

MT41J256M8图片预览
型号: MT41J256M8
PDF下载: 下载PDF文件 查看货源
内容描述: DDR3 SDRAM MT41J512M4 â ????梅格64 ×4× 8银行MT41J256M8 â ????梅格32 ×8× 8银行MT41J128M16 â ????梅格16 ×16× 8银行 [DDR3 SDRAM MT41J512M4 – 64 Meg x 4 x 8 Banks MT41J256M8 – 32 Meg x 8 x 8 Banks MT41J128M16 – 16 Meg x 16 x 8 Banks]
分类和应用: 动态存储器双倍数据速率
文件页数/大小: 211 页 / 2907 K
品牌: MICRON [ MICRON TECHNOLOGY ]
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2Gb: x4, x8, x16 DDR3 SDRAM  
Features  
Contents  
State Diagram ................................................................................................................................................ 11  
Functional Description ................................................................................................................................... 12  
Industrial Temperature ............................................................................................................................... 12  
General Notes ............................................................................................................................................ 12  
Functional Block Diagrams ............................................................................................................................. 14  
Ball Assignments and Descriptions ................................................................................................................. 16  
Package Dimensions ....................................................................................................................................... 22  
Electrical Specifications .................................................................................................................................. 26  
Absolute Ratings ......................................................................................................................................... 26  
Input/Output Capacitance .......................................................................................................................... 20  
Thermal Characteristics .................................................................................................................................. 28  
Electrical Specifications – IDD Specifications and Conditions ............................................................................ 3±  
Electrical Characteristics – IDD Specifications .................................................................................................. 41  
Electrical Specifications – DC and AC .............................................................................................................. 44  
DC Operating Conditions ........................................................................................................................... 44  
Input Operating Conditions ........................................................................................................................ 44  
AC Overshoot/Undershoot Specification ..................................................................................................... 40  
Slew Rate Definitions for Single-Ended Input Signals ................................................................................... 51  
Slew Rate Definitions for Differential Input Signals ...................................................................................... 53  
ODT Characteristics ....................................................................................................................................... 54  
ODT Resistors ............................................................................................................................................ 55  
ODT Sensitivity .......................................................................................................................................... 56  
ODT Timing Definitions ............................................................................................................................. 56  
Output Driver Impedance ............................................................................................................................... 6±  
34 Ohm Output Driver Impedance .............................................................................................................. 61  
34 Ohm Driver ............................................................................................................................................ 62  
34 Ohm Output Driver Sensitivity ................................................................................................................ 63  
Alternative 4± Ohm Driver .......................................................................................................................... 64  
4± Ohm Output Driver Sensitivity ................................................................................................................ 64  
Output Characteristics and Operating Conditions ............................................................................................ 66  
Reference Output Load ............................................................................................................................... 68  
Slew Rate Definitions for Single-Ended Output Signals ................................................................................. 69  
Slew Rate Definitions for Differential Output Signals .................................................................................... 0±  
Speed Bin Tables ............................................................................................................................................ 01  
Electrical Characteristics and AC Operating Conditions ................................................................................... 06  
Command and Address Setup, Hold, and Derating ........................................................................................... 96  
Data Setup, Hold, and Derating ...................................................................................................................... 1±4  
Commands – Truth Tables ............................................................................................................................. 113  
Commands ................................................................................................................................................... 116  
DESELECT ................................................................................................................................................ 116  
NO OPERATION ........................................................................................................................................ 116  
ZQ CALIBRATION LONG ........................................................................................................................... 116  
ZQ CALIBRATION SHORT .......................................................................................................................... 116  
ACTIVATE ................................................................................................................................................. 116  
READ ........................................................................................................................................................ 116  
WRITE ...................................................................................................................................................... 110  
PRECHARGE ............................................................................................................................................. 118  
REFRESH .................................................................................................................................................. 118  
SELF REFRESH .......................................................................................................................................... 119  
DLL Disable Mode ..................................................................................................................................... 12±  
PDF: 09005aef826aaadc  
2Gb_DDR3_SDRAM.pdf - Rev. Q 04/13 EN  
Micron Technology, Inc. reserves the right to change products or specifications without notice.  
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