Datasheet

Data Sheet
512 Kbit / 1 Mbit / 2 Mbit Many-Time Programmable Flash
GLS27SF512 / GLS27SF010 / GLS27SF020
15
©2010 Greenliant Systems, Ltd. S71152-13-000 05/10
FIGURE 13: Chip-Erase Algorithm for GLS27SF512
OE#/V
PP
= V
PPH
OE#/V
PP
= V
DD
or V
SS
A
9
= V
IL
or V
IH
Wait for OE#/V
PP
and
A
9
Recovery Time
Erase 100ms pulse
(CE# = V
IL
)
Read Device
(CE# = OE# = V
IL
)
Device Passed
Compare All
bytes to FFH
Device Failed
1152 F08b.2
Start
A
9
= V
H
No
Ye s