W986432DH

512K

×

4银行

×

32位SDRAM

表盒内的

1.概述..................................................................................................................3

2.特点..........................................................................................................................................3

3.可用零件NUMBER...............................................................................................................3

4.密码CONFIGURATION........................................................................................................................4

5. PIN DESCRIPTION..............................................................................................................................5

6.框图...............................................................................................................................6

7.功能描述............................................................................................................7

电源和初始化....................................................................................................................... 7

编程模式寄存器.................................................................................................................... 7

行激活命令.......................................................................................................................... 7

读取和写入访问模式................................................................................................................ 7

突发读取命令.............................................................................................................................. 8

突发命令........................................................................................................................................ 8

阅读打断读..................................................................................................................... 8

阅读打断写..................................................................................................................... 8

写是写中断..................................................................................................................... 8

写了一个读取中断..................................................................................................................... 8

突发停止命令............................................................................................................................... 8

解决连续序列模式............................................. ................................................. 9

解决交错模式序列............................................. .................................................. 9

自动预充电命令.................................................................................................................... 10

预充电Command.............................................................................................................................. 10

自刷新命令.......................................................................................................................... 10

掉电模式................................................................................................................................. 10

没有操作命令......................................................................................................................... 11

取消命令................................................................................................................................ 11

时钟暂停Mode.............................................................................................................................. 11

8.表操作模式.....................................................................................................12

9.简化的状态DIAGRAM.........................................................................................................13

10.电气CHARACTERISTICS................................................................................................14

绝对最大Rating...................................................................................................................... 14

建议的直流工作条件.............................................. ................................................ 14

Capacitance............................................................................................................................................ 14

DC Characteristics.................................................................................................................................. 15

AC特性.................................................................................................................................. 16

出版日期： 2001年9月4日

修订A3

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