參數(shù)資料
型號: X28LC513JI-25
英文描述: 3.3 Volt, Byte Alterable E2PROM
中文描述: 3.3伏,可變E2PROM的字節(jié)
文件頁數(shù): 8/19頁
文件大?。?/td> 99K
代理商: X28LC513JI-25
8
X28LC512/X28LC513
CE
WE
STANDARD
OPERATING
MODE
VCC
DATA
ADDR
AA
5555
55
2AAA
80
5555
NOTE: All other timings and control pins are per page write timing requirements.
tWC
AA
5555
55
2AAA
20
5555
Resetting Software Data Protection
Figure 5a. Reset Software Data Protection Timing Sequence
Figure 5b. Software Sequence to Deactivate
Software Data Protection
3005 ILL F18
In the event the user wants to deactivate the software
data protection feature for testing or reprogramming in
an E
2
PROM programmer, the following six step algo-
rithm will reset the internal protection circuit. After t
WC
,
the X28LC512/513 will be in standard operating mode.
Note: Once initiated, the sequence of write operations
should not be interrupted.
WRITE DATA 55
TO ADDRESS
2AAA
WRITE DATA 55
TO ADDRESS
2AAA
WRITE DATA 80
TO ADDRESS
5555
WRITE DATA AA
TO ADDRESS
5555
WRITE DATA 20
TO ADDRESS
5555
WRITE DATA AA
TO ADDRESS
5555
3005 FHD F19
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