MX29F022 Macronix, MX29F022 Datasheet - Page 28

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

AUTOMATIC CHIP ERASE ALGORITHM FLOWCHART
P/N:PM0556
Invalid
Command
Write Data 80H Address 555H
Write Data 55H Address 2AAH
Write Data AAH Address 555H
Write Data 55H Address 2AAH
Write Data AAH Address 555H
Write Data 10H Address 555H
NO
Auto Chip Erase Completed
Toggle Bit Checking
Q6 not Toggled
DATA Polling
START
Q7 = 1
YES
YES
NO
28
MX29F022/022N
Auto Chip Erase Exceed
Timing-Limit
Q5 = 1
Reset
YES
NO
REV. 1.1, JUN. 14, 2001
.