Datasheet

©2011 Silicon Storage Technology, Inc. DS25001A 03/11
28
2 Mbit / 4 Mbit / 8 Mbit Multi-Purpose Flash
SST39LF200A / SST39LF400A / SST39LF800A
SST39VF200A / SST39VF400A / SST39VF800A
Data Sheet
A
Microchip Technology Company
Figure 21: Erase Command Sequence
1117 F16.5
Load data: XXAAH
Address: 5555H
Chip-Erase
Command Sequence
Load data: XX55H
Address: 2AAAH
Load data: XX80H
Address: 5555H
Load data: XX55H
Address: 2AAAH
Load data: XX10H
Address: 5555H
Load data: XXAAH
Address: 5555H
Wait T
SCE
Chip erased
to FFFFH
Load data: XXAAH
Address: 5555H
Sector-Erase
Command Sequence
Load data: XX55H
Address: 2AAAH
Load data: XX80H
Address: 5555H
Load data: XX55H
Address: 2AAAH
Load data: XX30H
Address: SA
X
Load data: XXAAH
Address: 5555H
Wait T
SE
Sector erased
to FFFFH
Load data: XXAAH
Address: 5555H
Block-Erase
Command Sequence
Load data: XX55H
Address: 2AAAH
Load data: XX80H
Address: 5555H
Load data: XX55H
Address: 2AAAH
Load data: XX50H
Address: BA
X
Load data: XXAAH
Address: 5555H
Wait T
BE
Block erased
to FFFFH
Note: X can be V
IL
or V
IH
, but no other value.