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M29W400DB45N6F 参数 Datasheet PDF下载

M29W400DB45N6F图片预览
型号: M29W400DB45N6F
PDF下载: 下载PDF文件 查看货源
内容描述: 4兆位( 512 KB ×8或256 KB ×16 ,引导块) 3 V电源闪存 [4 Mbit (512 Kb x 8 or 256 Kb x 16, boot block) 3 V supply Flash memory]
分类和应用: 闪存存储内存集成电路光电二极管
文件页数/大小: 48 页 / 1025 K
品牌: NUMONYX [ NUMONYX B.V ]
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Status Register
Table 7.
Status Register bits
(1)
(continued)
Address
Erasing block
Block Erase
before timeout
Non-erasing
block
Erasing block
Block Erase
Non-erasing
block
Erasing block
Erase Suspend
Non-erasing
block
Good block
address
Erase Error
Faulty block
address
1. Unspecified data bits should be ignored.
M29W400DT, M29W400DB
Operation
DQ7
0
0
0
0
1
DQ6
Toggle
Toggle
Toggle
Toggle
No
Toggle
DQ5
0
0
0
0
0
DQ3
0
0
1
1
DQ2
Toggle
No
Toggle
Toggle
No
Toggle
Toggle
RB
0
0
0
0
1
1
Data read as normal
0
0
Toggle
Toggle
1
1
1
1
No
Toggle
Toggle
0
0
Figure 7.
Data polling flowchart
START
READ DQ5 & DQ7
at VALID ADDRESS
DQ7
=
DATA
NO
NO
YES
DQ5
=1
YES
READ DQ7
at VALID ADDRESS
DQ7
=
DATA
NO
FAIL
YES
PASS
AI03598
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