W9864G2IH
512K
×
4银行
×
32位SDRAM
表盒内的
1.
2.
3.
4.
5.
6.
7.
概述......................................................................................................... 3
特点................................................................................................................................. 3
可用零件NUMBER...................................................................................................... 3
引脚配置............................................................................................................... 4
PIN DESCRIPTION.....................................................................................................................五
框图...................................................................................................................... 6
功能DESCRIPTION.................................................................................................... 7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
7.16
7.17
7.18
7.19
7.20
8.
9.
8.1
9.1
9.2
上电和初始化.............................................. ............................................... 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
读取读中断............................................. .............................................. 8
通过写读中断............................................. ............................................... 8
写是写中断............................................. ............................................... 8
写了一个读取中断............................................. ............................................... 8
突发停止命令..................................................................................................... 9
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....................................................................................................... 11
无操作Command............................................................................................... 11
取消命令...................................................................................................... 11
时钟暂停Mode.................................................................................................... 11
简化的叙述性图............................................... ............................................. 13
绝对最大额定值............................................... ........................................... 14
建议的直流工作条件.............................................. ...................... 14
运行模式................................................................................................................. 12
电气CHARACTERISTICS......................................................................................... 14
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出版日期： 2010年3月22日
修订版A04
