恒忆无线闪存( W18 )
目录
1.0
介绍
.............................................................................................................. 7
1.1
命名法..................................................................................................... 7
1.2
约定....................................................................................................... 8
功能概述
.................................................................................................. 9
2.1
存储器映射和分区.............................................. ................................ 10
包装信息
............................................................................................... 13
3.1
W18 - 90纳米光刻............................................. .................................... 13
3.2
W18 - 130纳米.............................................. .................................................. 14
Ballout和信号说明
............................................................................... 16
4.1
信号Ballout ................................................ .................................................. 16
4.2
信号说明................................................ ............................................ 18
最大额定值和工作条件............................................. ...............
21
5.1
绝对最大额定值............................................... .................................. 21
5.2
工作条件................................................ ......................................... 21
电气规格
........................................................................................... 23
6.1
直流电流特性............................................... ................................... 23
6.2
直流电压特性............................................... ................................... 24
AC特性
................................................................................................... 26
7.1
AC写特性............................................... ...................................... 36
7.2
擦除和编程时间.............................................. ..................................... 42
7.3
重置Specifications........................................................................................... 43
7.4
AC I / O测试条件............................................ ........................................... 44
7.5
器件电容................................................ ........................................... 45
电源和复位规格
............................................................................... 46
8.1
活跃Power..................................................................................................... 46
8.2
自动省电( APS ) ............................................ .............................. 46
8.3
待机Power.................................................................................................. 46
8.4
上电/下特性............................................ ............................... 46
8.4.1系统复位和RST # .......................................... ................................ 46
8.4.2 VCC , VPP和RST #转换....................................... ........................ 47
8.5
电源去耦............................................... .................................... 47
总线操作概述
........................................................................................ 48
9.1
公交运营................................................ ................................................. 48
9.1.1读取.............................................. .................................................. ... 48
9.1.2 Writes................................................................................................... 49
9.1.3输出禁止............................................. .......................................... 49
9.1.4突发暂停............................................. .......................................... 49
9.1.5待机.............................................. .................................................. 50
9.1.6 Reset.................................................................................................... 50
9.2
设备Commands............................................................................................. 50
9.3
命令序列................................................ ....................................... 53
操作
...................................................................................................... 55
异步页读模式.............................................. ............................. 55
同步突发读取模式下.............................................. .............................. 55
读阵列....................................................................................................... 56
读Identifier.................................................................................................. 56
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
10.0读
10.1
10.2
10.3
10.4
2007年11月
订单号: 290701-18
数据表
3