W982516BH75I 参数 Datasheet PDF下载

W982516BH

4M

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4银行

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16位SDRAM

表盒内的

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

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

3.可用的零件号..............................................................................................................3

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

5.引脚说明.............................................................................................................................5

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

7.电气CHARACTERISTICS....................................................................................................7

绝对最大Ratings................................................................................................................7

建议的直流工作条件.............................................. ............................................ 7

Capacitance........................................................................................................................................7

AC特性与使用条件............................................. ......................................... 8

DC Characteristics..............................................................................................................................9

8.操作模式..........................................................................................................................11

9.功能描述..........................................................................................................12

上电和初始化...............................................................................................................12

编程模式Register............................................................................................................12

行激活命令..................................................................................................................12

读取和写入访问模式........................................................................................................12

突发读取命令......................................................................................................................13

突发写命令......................................................................................................................13

阅读打断读.............................................................................................................13

阅读打断写.............................................................................................................13

写一个中断Write..............................................................................................................13

写了一个读取中断.............................................................................................................13

突发停止命令.......................................................................................................................13

解决连续序列模式............................................. ......................................... 14

解决交错模式序列............................................. .......................................... 14

自动预充电命令...............................................................................................................15

预充电命令.......................................................................................................................15

自刷新命令....................................................................................................................15

掉电Mode............................................................................................................................15

无操作Command...................................................................................................................16

取消命令..........................................................................................................................16

时钟挂起模式.......................................................................................................................16

出版日期： 2001年12月13日

A2版

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