Fig 5. AUTOMATIC CHIP ERASE ALGORITHM FLOWCHART
MX26L1620
START
Write Data AAH Address 555H
Write Data 55H Address 2AAH
Write Data 80H Address 555H
Write Data AAH Address 555H
Write Data 55H Address 2AAH
Write Data 10H Address 555H
Data Poll
from system
YES
No
DATA = FFh ?
YES
Auto Erase Completed
P/N:PM0827
REV. 0.4, JAN. 31, 2002
21