Datasheet

18
Data Sheet
512 Kbit / 1 Mbit / 2 Mbit Many-Time Programmable Flash
GLS27SF512 / GLS27SF010 / GLS27SF020
©2010 Greenliant Systems, Ltd. S71152-13-000 05/10
FIGURE 16: Byte-Program Algorithm for GLS27SF010/020
Start
Erase*
V
PP
= V
PPH
Address = First Location
CE# = V
IL
, OE# = V
IH
Program 20µs pulse
(PGM# = V
IL
)
Read Device
Device Passed
Compare all bytes
to original data
Increment Address
Device Failed
1152 F09c.1
Last Address?
No
No
Ye s
Ye s
* See Figure 14