MX29F022 Macronix, MX29F022 Datasheet - Page 33

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

CHIP PROTECTION ALGORITHM FOR SYSTEM WITH 12V
P/N:PM0556
Device Failed
PLSCNT=32?
Device Failed
No
Yes
No
33
OE=VID,A9=VID,CE=VIL
Set WE=VIH, CE=OE=VIL
A9 should remain VID
Write Reset Command
Remove VID from A9
Activate WE Pulse
MX29F022/022N
Read from Sector
Time Out 10us
Addr=SA, A1=1
Chip Protection
PLSCNT=1
Data=01H?
A6=VIL
START
Complete
Yes
REV. 1.1, JUN. 14, 2001