參數(shù)資料
型號(hào)： X28VC256FM-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(yè)數(shù)： 7/24頁(yè)
文件大小： 109K
代理商： X28VC256FM-70
X28VC256
7
SOFTWARE DATA PROTECTION
Figure 6. Timing Sequence—Byte or Page Write
3869 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 and data has been written, the
X28VC256 will automatically disable further writes un-
less another command is issued to cancel it. If no further
commands are issued the X28VC256 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.
3869 FHD F17
CE
WE
(VCC)
WRITE
PROTECTED
VCC
0V
DATA
ADDRESS
AA
5555
55
2AAA
A0
5555
WRITES
OK
BYTE
OR
PAGE
tWC
≤
tBLC MAX
WRITE LAST
BYTE TO
LAST ADDRESS
WRITE DATA 55
TO ADDRESS
2AAA
WRITE DATA A0
TO ADDRESS
5555
WRITE DATA XX
TO ANY
ADDRESS
AFTER tWC
RE-ENTERS DATA
PROTECTED STATE
WRITE DATA AA
TO ADDRESS
5555
BYTE/PAGE
LOAD ENABLED
OPTIONAL
BYTE OR
PAGE WRITE
ALLOWED
相關(guān)PDF資料
PDF描述
X28VC256FM-90 5 Volt, Byte Alterable E2PROM
X28VC256JI-45 5 Volt, Byte Alterable E2PROM
X28VC256JI-55 5 Volt, Byte Alterable E2PROM
X28VC256JI-70 5 Volt, Byte Alterable E2PROM
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X28VC256FM-90 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
X28VC256FMB-45 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
X28VC256FMB-55 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
X28VC256FMB-70 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
X28VC256FMB-90 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:5 Volt, Byte Alterable E2PROM
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