F49B002UA Datasheet, PDF (23/33 Pages) Elite Semiconductor Memory Technology Inc. – 2 Mbit (256K x 8) 5V Only CMOS Flash Memory

EFST
F49B002UA
Figure 11. Embedded Chip Erase Algorithm Flowchart
Start
Write Data AAH Address 5555H
Write Data 55H Address 2AAAH
Write Data 80H Address 5555H
Write Data AAH Address 5555H
Write Data 55H Address 2AAAH
Write Data 10H Address 5555H
Data Polling from System
No
Data = FFh?
Yes
Embedded Chip Erease Completed
Elite Flash Storage Technology Inc.
Publication Date : Sep. 2006
Revision: 1.4
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