MX26LV160AT Macronix International, MX26LV160AT Datasheet - Page 37

• Manufacturer Part Number: MX26LV160AT
• Description: 16M-BIT [2Mx8/1Mx16] CMOS SINGLE VOLTAGE 3V ONLY BOOT SECTOR HIGH SPEED eLiteFlashTM MEMORY
• Manufacturer: Macronix International

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Figure 13. IN-SYSTEM SECTOR PROTECTION ALGORITHM WITH RESET#=VID
P/N:PM1123
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 90H 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?
MX26LV160AT/AB
37
Yes
Yes
No
?
Yes
No
Reset PLSCNT=1
Temporary Sector
Unprotect Mode
REV. 1.1, NOV. 18, 2004