DDR SDRAM 512MB的C-模（ X4，X8 ， X16 ）
目录
DDR SDRAM
1.0主要特点...............................................................................................................................4
2.0订购信息...................................................................................................................4
3.0工作Frequencies................................................................................................................4
4.0引脚说明...........................................................................................................................5
5.0包装物理尺寸....................................................................................................6
6.0块图（ 32兆X4 / X8为16Mbit / 8Mbit的X16 I / O X4银行） ................................ ............. 7
7.0输入/输出功能说明............................................ ................................................ 8
8.0指挥真相Table.................................................................................................................9
9.0一般Description...................................................................................................................10
10.0绝对最大额定值.....................................................................................................10
11.0直流工作条件........................................................................................................10
12.0 DDR SDRAM规格产品&测试条件.......................................... ............................... 11
13.0输入/输出电容......................................................................................................11
14.0详细的测试条件为DDR SDRAM IDD1 & IDD7A ........................................ .............. 12
15.0 DDR SDRAM IDD规格表............................................ .................................................. .... 13
16.0 AC工作条件.......................................................................................................14
17.0 AC过冲/下冲规范地址和控制引脚........................... 14
18.0过冲/下冲规范数据，频闪和口罩销............................... 15
19.0 AC Timming参数&规格............................................ ............................... 16
20.0系统特性的DDR SDRAM ............................................ .................................. 17
21.0组件的注意事项....................................................................................................................18
22.0系统注意事项..........................................................................................................................20
23.0 IBIS ： I / V特性的输入和输出缓冲器...................................... .................. 21
修订版1.1月。 2005年
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