K4B2G1646C
数据表
修订版1.11
DDR3 SDRAM
目录
2GB C-死DDR3 SDRAM只有X16
1.订购信息.....................................................................................................................................................五
2.重点Features.................................................................................................................................................................五
3.封装引脚/机械尺寸& Addressing.................................................................................................. 6
3.1 X16封装引脚(顶视图) : 96ball FBGA封装...................................... .................................................. 6
3.2 FBGA封装尺寸(x16)............................................................................................................................. 7
4.输入/输出功能Description.............................................................................................................................. 8
5. DDR3 SDRAM寻址........................................................................................................................................... 9
6.绝对最大额定值.......................................................................................................................................... 10
6.1绝对最大DC Ratings............................................................................................................................... 10
6.2 DRAM元件工作温度范围............................................ .................................................. .. 10
7. AC &直流工作Conditions..................................................................................................................................... 10
7.1建议的直流工作条件(SSTL_1.5)............................................................................................. 10
8. AC &直流输入电平测量............................................................................................................................ 11
8.1交流&直流逻辑输入电平为单端信号...................................... .................................................. ...... 11
8.2 V
REF
Tolerances...................................................................................................................................................... 12
8.3交流&直流逻辑输入电平为差分信号........................................ .................................................. ..... 13
8.3.1 。差分信号的定义............................................................................................................................ 13
8.3.2 。差分摆幅要求时钟( CK - CK)和选通脉冲( DQS - DQS ) ................................. ................. 13
8.3.3 。单端要求的差分信号........................................... ................................................ 14
8.4差分输入交叉点Voltage...................................................................................................................... 15
对于差分输入信号8.5压摆率的定义..................................................................................................... 15
8.6压摆率的定义为差分输入信号.......................................... .................................................. ....... 15
9. AC &直流输出电平测量......................................................................................................................... 16
9.1单端AC &直流输出Levels..................................................................................................................... 16
9.2差分交流&直流输出Levels......................................................................................................................... 16
9.3单端输出压摆率.............................................................................................................................. 16
9.4差分输出摆率.................................................................................................................................. 17
9.5参考负载的AC时序和输出摆率........................................ .................................................. .. 17
9.6过冲/下冲规格....................................................................................................................... 18
9.6.1 。地址和控制过冲和下冲规格........................................... ........................... 18
9.6.2 。时钟,数据,选通和面具过冲和下冲规格....................................... ............... 18
9.7 34ohm输出驱动器DC电气Characteristics................................................................................................. 19
9.7.1 。输出驱动器的温度和电压灵敏度............................................ .............................................. 20
9.8片上端接( ODT)水平和IV特性...................................... ............................................... 20
9.8.1 。 ODT DC电气特性................................................................................................................... 21
9.8.2 。 ODT温度和电压灵敏度...................................................................................................... 22
9.9 ODT时序定义........................................................................................................................................... 23
9.9.1 。测试负载的ODT Timings.............................................................................................................................. 23
9.9.2 。 ODT时序定义.................................................................................................................................... 23
10. IDD电流测量Method..................................................................................................................................... 26
10.1 IDD测量条件............................................................................................................................... 26
11. 2GB DDR3 SDRAM C-模IDD规格表....................................... .................................................. ........... 35
12.输入/输出电容........................................................................................................................................... 36
13.电气特性和AC时序DDR3-800到DDR3-2133 ................................... ................................... 37
13.1时钟规格................................................................................................................................................ 37
13.1.1 。用于定义tCK(avg).................................................................................................................................... 37
13.1.2 。用于定义tCK(abs).................................................................................................................................... 37
13.1.3 。针对TCH ( AVG)和TCL ( AVG)的定义.............................................................................................................. 37
13.1.4 。对于笔记定义tJIT ( PER) , tJIT (每,伊克) ................................... .................................................. ............ 37
13.1.5 。对于tJIT (CC )的定义, tJIT (CC ,伊克) ................................................................................................................. 37
13.1.6 。对于TERR定义( NPER ) ................................................................................................................................ 37
按设备13.2刷新参数Density................................................................................................................. 38
13.3速箱和CL , tRCD的,激进党,真相与和解委员会tRAS的相应斌.................................. ............................... 38
13.3.1 。转速表斌的注意事项.................................................................................................................................. 43
-3-