Low Voltage 8 Megabit (256K x 32-Bit) EEPROM MCM
79LV0832
5. Disabling Software Protection
Software data protection mode can be disabled by inputting the following data sequence. Once the software pro-
tection sequence has been written, no data can be written to the memory until the write cycle (TWC) has elapsed.
Software Protection Disable Sequence
Address
Data
5555
AA AA AA AA
55 55 55 55
AAAA or 2AAA
80 80 80 80
5555
5555
AA AA AA AA
AAAA or 2AAA
5555
55 55 55 55
20 20 20 20
Devices are shipped in the “unprotected” state, meaning that the contents of the memory can be changed as required
by the user. After the software data protection is enabled, the device enters the Protect Mode where no further write
commands have any effect on the memory contents.
All data sheets are subject to change without notice
01.10.05 Rev 8
16
©2005 Maxwell Technologies
All rights reserved
MAXWELL [ MAXWELL TECHNOLOGIES ]
