28F004 / 400B3 , 28F008 / 800B3 , 28F016 / 160B3 , 28F320B3 , 28F640B3
目录
1.0
2.0
介绍
.................................................................................................................. 1
1.1
2.1
2.2
产品概述................................................ .................................................. 2
封装引脚分配................................................ .................................................. 3
块组织................................................ ................................................ 7
2.2.1参数块............................................. ........................................ 7
2.2.2主要模块............................................. ................................................. 7
总线操作....................................................................................................... 7
3.1.1 Read......................................................................................................... 8
3.1.2输出禁止............................................. ............................................. 8
3.1.3待机.............................................. .................................................. 8 ....
3.1.4深度掉电/复位......................................... .............................. 8
3.1.5写......................................................................................................... 9
模式Operation............................................................................................... 9
3.2.1读阵列............................................. .................................................. 9
3.2.2读取识别............................................. ........................................... 11
3.2.3读状态寄存器............................................ ................................. 11
3.2.4编程模式............................................. ........................................... 12
3.2.5擦除模式............................................. ............................................... 12
块锁定......................................................................................................14
3.3.1 WP # = V
IL
对于块锁定............................................... ................... 14
3.3.2 WP # = V
IH
座解锁............................................... ............... 15
V
PP
编程和擦除电压.............................................. ......................... 15
3.4.1 V
PP
= V
IL
为完整的保护............................................... .......... 15
功耗................................................ ............................................ 15
3.5.1有功功率............................................. ............................................. 16
3.5.2自动省电( APS ) ......................................... ................... 16
3.5.3备用电源............................................. .......................................... 16
3.5.4深度掉电模式.......................................... ............................. 16
上电/下运行............................................ ..................................... 16
3.6.1 RP #连接到系统复位......................................... .................. 17
3.6.2 V
CC
, V
PP
和RP #转换.............................................. ................. 17
电源去耦............................................... .................................... 17
绝对最大额定值............................................... .................................. 18
操作Conditions...........................................................................................19
电容........................................................................................................19
直流特性................................................ .............................................. 20
交流特性 - 读取操作............................................. .................. 23
AC特性-Write操作............................................. .................. 27
编程和擦除时序.............................................. .................................. 31
产品说明
.................................................................................................. 3
3.0
操作原理
............................................................................................ 7
3.1
3.2
3.3
3.4
3.5
3.6
3.7
4.0
电气规格
........................................................................................18
4.1
4.2
4.3
4.4
4.5
4.6
4.7
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