MX29LV002NCT Macronix International, MX29LV002NCT Datasheet - Page 34

• Manufacturer Part Number: MX29LV002NCT
• Description: 2M-BIT [256K x 8] CMOS SINGLE VOLTAGE 3V ONLY FLASH MEMORY
• Manufacturer: Macronix International

Figure 14. IN-SYSTEM SECTOR PROTECTION ALGORITHM WITH RESET#=VID
P/N:PM1204
Increment PLSCNT
Device failed
PLSCNT=25?
No
Yes
MX29LV002C/002NC T/B
No
Write 60H to sector address
Remove VID from RESET#
Read from sector address
Sector protect complete
with A6=0, A1=1, A0=0
Write reset command
write 40H with A6=0,
Verify sector protect :
Set up sector address
Protect another
RESET#=VID
A1=1, A0=0
Wait 150us
Data=01H
Cycle=60H
First Write
PLSCNT=1
START
Wait 1us
sector?
34
Yes
Yes
No
?
Yes
No
Reset PLSCNT=1
Temporary Sector
Unprotect Mode
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REV. 1.0, JUN. 30, 2005