W27L02 Datasheet, PDF (12/15 Pages) Winbond – 256K X 8 ELECTRIC ALLY ERASABLE EPROM

12. SMART ERASE ALGORITHM 2
W27L02
Start
X=0
VDD = 5V
Vpp = 12V
Command 100uS Pulse
with Address = 5555(Hex)
Data = AA(Hex)
Command 100mS Pulse
with Address =2AAA(Hex)
Data = 10(Hex)
Address = First Location
VDD = 3.0V
Vpp = 3.0V
Compare
Fail
All Bytes to
FFs (HEX)
Pass
Pass
Device
Increment X
No
X = 20?
Yes
Fail
Device
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