MX29F022 Macronix, MX29F022 Datasheet - Page 34

• Manufacturer Part Number: MX29F022
• Description: 2M-BIT[256K x 8]CMOS FLASH MEMORY
• Manufacturer: Macronix

CHIP UNPROTECTION ALGORITHM FOR SYSTEM WITH 12V
P/N:PM0556
Read Data from Device
Write Reset Command
Remove VID from A9
Activate WE Pulse
Set OE=CE=VIL
Time Out 12ms
Set OE=A9=VID
CE=VIL,A6=1
A9=VID,A1=1
Chip Unprotect
PLSCNT=1
Data=00H?
START
Complete
Yes
No
34
MX29F022/022N
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 1.1, JUN. 14, 2001