MX29SL800CT Macronix International, MX29SL800CT Datasheet - Page 41

• Manufacturer Part Number: MX29SL800CT
• Description: 8M-BIT [1Mx8/512K x16] CMOS SINGLE VOLTAGE 1.8V ONLY FLASH MEMORY
• Manufacturer: Macronix International

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FIGURE 14. IN-SYSTEM SECTOR PROTECTION ALGORITHM WITH RESET#=VID
P/N:PM1224
Increment PLSCNT
Device failed
PLSCNT=25?
No
Yes
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
First Write
Cycle=60H
PLSCNT=1
START
Wait 1us
sector?
Yes
Yes
No
41
?
MX29SL800C T/B
Yes
No
Reset PLSCNT=1
Temporary Sector
Unprotect Mode
REV. 1.0, APR. 20, 2006