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MT41J512M4 参数 Datasheet PDF下载

MT41J512M4图片预览
型号: MT41J512M4
PDF下载: 下载PDF文件 查看货源
内容描述: 2GB : X4,X8 , X16 DDR3 SDRAM特点 [2Gb: x4, x8, x16 DDR3 SDRAM Features]
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
特点
输入时钟频率变化...................................................................................................................... 124
写代练............................................................................................................................................... 126
写程序代练........................................................................................................................... 128
写调整模式退出程序........................................................................................................... 130
初始化................................................................................................................................................. 131
模式寄存器.............................................................................................................................................. 133
模式寄存器0 ( MR0 ) ................................................................................................................................... 134
突发长度............................................................................................................................................. 134
突发类型................................................................................................................................................. 135
DLL RESET ................................................................................................................................................ 136
写恢复.......................................................................................................................................... 136
预充电掉电(预充电PD ) ...................................................................................................... 137
CAS延迟( CL ) ....................................................................................................................................... 137
模式寄存器1 ( MR1 ) ................................................................................................................................... 138
DLL使能/禁用.............................................................................................................................. 138
输出驱动强度............................................................................................................................... 139
输出允许/禁止...................................................................................................................... 139
TDQS ENABLE .......................................................................................................................................... 139
片上端接( ODT ) ........................................................................................................................ 140
写调整..................................................................................................................................... 140
Posted CAS附加延迟( AL ) ............................................................................................................... 140
模式寄存器2 ( MR2 ) ................................................................................................................................... 142
CAS写入延迟( CWL ) ........................................................................................................................ 142
自动自刷新( ASR ) ....................................................................................................................... 143
自刷新温度(SRT) ........................................................................................................ 143
SRT与ASR .......................................................................................................................................... 144
动态片上端接( ODT ) ......................................................................................................... 144
模式寄存器3 ( MR3 ) ................................................................................................................................... 145
多用途寄存器( MPR ) ............................................................................................................ 145
MPR功能描述...................................................................................................................... 146
MPR地址定义和爆破顺序............................................ .................................................. 147
MPR阅读预定义模式.................................................................................................................... 152
模式寄存器设置(MRS )命令........................................................................................................ 152
ZQ校准操作......................................................................................................................... 153
激活操作..................................................................................................................................... 154
读操作............................................................................................................................................ 156
写操作.......................................................................................................................................... 167
DQ输入时序....................................................................................................................................... 175
预充电操作................................................................................................................................. 177
自刷新操作.............................................................................................................................. 177
扩展温度用法........................................................................................................................ 179
掉电模式........................................................................................................................................ 180
复位操作........................................................................................................................................... 188
片上端接( ODT ) ............................................................................................................................ 190
ODT的功能表示............................................................................................................. 190
标称ODT ............................................................................................................................................ 190
动态ODT ............................................................................................................................................... 192
动态ODT特殊用例................................................................................................................. 192
功能描述.............................................................................................................................. 192
同步ODT模式................................................................................................................................ 198
ODT延迟和发布ODT .................................................................................................................... 198
时序参数.................................................................................................................................... 198
PDF : 09005aef826aaadc
2Gb_DDR3_SDRAM.pdf - 修订版Q 04/13 EN
4
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