MX29LV008CB Macronix, MX29LV008CB Datasheet - Page 39

• Manufacturer Part Number: MX29LV008CB
• Description: 8M-Bit CMOS Single Voltage 3V Only Flash Memory
• Manufacturer: Macronix

Figure 15. CHIP UNPROTECTION ALGORITHM
P/N:PM1185
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 A9
Set OE#=CE#=VIL
Activate WE# Pulse
Protect All Sectors
Time Out 50ms
All sectors have
Set OE#=A9=VID
CE#=VIL, A6=1
A9=VID,A1=1
been verified?
Chip Unprotect
PLSCNT=1
Data=00H?
START
Complete
Yes
Yes
39
MX29LV008C T/B
No
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 1.0, JUN. 30, 2005