MX29LA129ML Macronix International, MX29LA129ML Datasheet - Page 55

• Manufacturer Part Number: MX29LA129ML
• Description: 128M-BIT SINGLE VOLTAGE 3V ONLY UNIFORM SECTOR FLASH MEMORY
• Manufacturer: Macronix International

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Figure 19. CHIP UNPROTECT FLOWCHART (A10, OE# Control)
P/N:PM1171
Sector Addr
Increment
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
No
Set Up First Sector Addr
Read Data from Device
Write Reset Command
Remove VID from A10
Set OE#=CEx=VIL
Activate WE# Pulse
Protect All Sectors
Set OE#=A10=VID
Time Out 15ms
A10=VID, A2=1
All sectors have
CEx=VIL, A7=1
been verified?
Chip Unprotect
PLSCNT=1
Data=00H?
START
Complete
55
MX29LA129M H/L
Yes
Yes
No
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 1.0, FEB. 27, 2006