SHARP
LHF80V25
1
目录
页面
1引言................................................ .............. 3
1.1特性................................................ ........................ 3
1.2产品概述............................................... .......... 3
2个运行原理........................................ 7
2.1数据保护............................................... .............. 8
3总线操作............................................... ............. 8
3.1阅读................................................ .............................. 8
3.2输出禁止............................................... ............... 8
3.3待机................................................ ......................... 8
3.4深度掉电............................................. .......... 8
3.5读取识别码操作.................................. 9
3.6写................................................ ............................. 9
4命令定义............................................. 9
4.1读阵列命令.............................................. .. 12
4.2读取识别码命令............................... 12
4.3读状态寄存器命令................................. 12
4.4清除状态寄存器命令................................. 12
4.5块擦除命令.............................................. 12
4.6字/字节写命令....................................... 13
4.7块擦除挂起命令................................ 13
4.8字/字节写入暂停命令........................ 14
4.9注意事项的挂起......................................... 14
4.10块锁定............................................... ........... 14
4.10.1 V
PP
=V
IL
为完整的保护...................... 14
4.10.2 WP ＃ = V
IL
对于块锁定.............................. 14
4.10.3 WP ＃ = V
IH
座解锁.......................... 14
页面
5设计考虑...................................... 20
5.1三线输出控制....................................... 20
5.2 RY / BY ＃和块擦除和字/字节写
投票................................................. ..................... 20
5.3电源去耦........................................ 20
5.4 V
PP
跟踪印刷电路板........................ 20
5.5 V
CC
, V
PP
， RP ＃转换....................................... 21
5.6电/断电保护...................................... 21
5.7功耗............................................... ...... 21
6电气规范............................... 22
6.1绝对最大额定值..................................... 22
6.2工作条件............................................... 22
6.2.1电容.............................................. ........... 22
6.2.2 AC输入/输出测试条件....................... 23
6.2.3直流特性............................................. 24
6.2.4交流特性 - 只读操作....... 26
6.2.5交流特性 - 写操作............... 29
6.2.6替代CE＃ -Controlled写..................... 31
6.2.7复位操作............................................. .... 33
6.2.8块擦除和字/字节写入性能34
7包装和包装规格......... 35
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