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參數資料
| 型號： | X28HC64EI-70 |
| 英文描述： | 5 Volt, Byte Alterable E2PROM |
| 中文描述： | 5伏，可變E2PROM的字節(jié) |
| 文件頁數： | 7/24頁 |
| 文件大?。?/td> | 112K |
| 代理商： | X28HC64EI-70 |
X28HC64
7
SOFTWARE DATA PROTECTION
Figure 6. Timing Sequence—Byte or Page Write
3857 FHD F16
Figure 7. Write Sequence for
Software Data Protection
Regardless of whether the device has previously been
protected or not, once the software data protection
algorithm is used, the X28HC64 will automatically dis-
able further writes unless another command is issued to
deactivate it. If no further commands are issued the
X28HC64 will be write protected during power-down
and after any subsequent power-up.
Note:
Once nitiated, he sequence of write operations
should not be interrupted.
3857 FHD F17
CE
WE
(VCC)
WRITE
PROTECTED
VCC
0V
DATA
ADDR
AA
1555
55
0AAA
A0
1555
≤
tBLC MAX
WRITES
OK
BYTE
OR
PAGE
tWC
WRITE LAST
BYTE TO
LAST ADDRESS
WRITE DATA 55
TO ADDRESS
0AAA
WRITE DATA A0
TO ADDRESS
1555
WRITE DATA XX
TO ANY
ADDRESS
AFTER tWC
RE-ENTERS DATA
PROTECTED STATE
WRITE DATA AA
TO ADDRESS
1555
BYTE/PAGE
LOAD ENABLED
OPTIONAL BYTE
OR PAGE WRITE
ALLOWED
相關PDF資料 |
PDF描述 |
|---|---|
| X28HC64EI-90 | 5 Volt, Byte Alterable E2PROM |
| X28HC64EM-70 | 5 Volt, Byte Alterable E2PROM |
| X28HC64EM-90 | 5 Volt, Byte Alterable E2PROM |
| X28HC64FI-12 | 5 Volt, Byte Alterable E2PROM |
| X28HC64FM-50 | 5 Volt, Byte Alterable E2PROM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| X28HC64EI-90 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:5 Volt, Byte Alterable EEPROM |
| X28HC64EM-12 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:5 Volt, Byte Alterable EEPROM |
| X28HC64EM-50 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM |
| X28HC64EM-55 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
| X28HC64EM-70 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:5 Volt, Byte Alterable EEPROM |
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