X28C010 Xicor, X28C010 Datasheet - Page 8
X28C010
Manufacturer Part Number
X28C010
Description
5 Volt/ Byte Alterable E2PROM
Manufacturer
Xicor
Datasheet
1.X28C010.pdf
(25 pages)
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X28C010
Resetting Software Data Protection
Figure 8. Reset Software Data Protection Timing Sequence
Figure 9. Software Sequence to Deactivate
Software Data Protection
V CC
WE
CE
ADDR
DATA
5555
AA
WRITE DATA AA
WRITE DATA 55
WRITE DATA AA
WRITE DATA 55
WRITE DATA 20
WRITE DATA 80
TO ADDRESS
TO ADDRESS
TO ADDRESS
TO ADDRESS
TO ADDRESS
TO ADDRESS
2AAA
2AAA
5555
5555
5555
5555
2AAA
55
5555
80
3858 FHD F19
5555
AA
8
In the event the user wants to deactivate the software
data protection feature for testing or reprogramming in
an E
rithm will reset the internal protection circuit. After t
the X28C010 will be in standard operating mode.
Note: Once initiated, the sequence of write operations
2AAA
55
2
PROM programmer, the following six step algo-
should not be interrupted.
5555
20
t WC
STANDARD
OPERATING
MODE
3858 FHD F18
WC
,