iii
28f004/400b3, 28f008/800b3, 28f016/160b3, 28f320b3, 28f640b3
内容
1.0 介绍
..................................................................................................................1
1.1 产品 overview ..................................................................................................2
2.0 产品 描述
..................................................................................................3
2.1 包装 pinouts ...................................................................................................3
2.2 块 organization ................................................................................................7
2.2.1 参数 blocks .....................................................................................7
2.2.2 主要的 blocks ..............................................................................................7
3.0 principles 的 运作
............................................................................................7
3.1 总线 运作 .......................................................................................................7
3.1.1 读.........................................................................................................8
3.1.2 输出 使不能运转..........................................................................................8
3.1.3 备用物品 ....................................................................................................8
3.1.4 深的 电源-向下 / 重置.......................................................................8
3.1.5 写 .........................................................................................................9
3.2 模式 的 运作...............................................................................................9
3.2.1 读 排列 ...............................................................................................9
3.2.2 读 identifier ........................................................................................11
3.2.3 读 状态 寄存器 .............................................................................11
3.2.4 程序 模式........................................................................................12
3.2.5 擦掉 模式 ............................................................................................12
3.3 块 locking ......................................................................................................14
3.3.1 wp# = v
IL
为 块 locking ..................................................................14
3.3.2 wp# = v
IH
为 块 unlocking ..............................................................15
3.4 V
PP
程序 和 擦掉 电压 .......................................................................15
3.4.1 V
PP
= v
IL
为 完全 保护 .........................................................15
3.5 电源 消耗量 ............................................................................................15
3.5.1 起作用的 电源 ..........................................................................................16
3.5.2 自动 电源 savings (aps)............................................................16
3.5.3 备用物品 电源 .......................................................................................16
3.5.4 深的 电源-向下 模式 .......................................................................16
3.6 电源-向上/向下 运作 .................................................................................16
3.6.1 rp# 连接 至 系统 重置...........................................................17
3.6.2 V
CC
, v
PP
和 rp# transitions ...............................................................17
3.7 电源 供应 解耦 ...................................................................................17
4.0 电的 规格
........................................................................................18
4.1 绝对 最大 比率.................................................................................18
4.2 运行 情况...........................................................................................19
4.3 电容 ........................................................................................................19
4.4 直流 特性 ..............................................................................................20
4.5
交流 特性 —read 行动...............................................................23
4.6 交流 特性 —write 行动 ...............................................................27
4.7 程序 和 擦掉 timings................................................................................31
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