Datasheet

26
Data Sheet
32 Mbit Multi-Purpose Flash Plus
SST39VF3201B / SST39VF3202B
©2009 Silicon Storage Technology, Inc. S71384-01-000 1/09
FIGURE 25: Erase Command Sequence
1384 F23.0
Load data: XXAAH
Address: 555H
Chip-Erase
Command Sequence
Load data: XX55H
Address: 2AAH
Load data: XX80H
Address: 555H
Load data: XX55H
Address: 2AAH
Load data: XX10H
Address: 555H
Load data: XXAAH
Address: 555H
Wait T
SCE
Chip erased
to FFFFH
Load data: XXAAH
Address: 555H
Sector-Erase
Command Sequence
Load data: XX55H
Address: 2AAH
Load data: XX80H
Address: 555H
Load data: XX55H
Address: 2AAH
Load data: XX50H
Address: SA
X
Load data: XXAAH
Address: 555H
Wait T
SE
Sector erased
to FFFFH
Load data: XXAAH
Address: 555H
Block-Erase
Command Sequence
Load data: XX55H
Address: 2AAH
Load data: XX80H
Address: 555H
Load data: XX55H
Address: 2AAH
Load data: XX30H
Address: BA
X
Load data: XXAAH
Address: 555H
Wait T
BE
Block erased
to FFFFH
X can be V
IL
or V
IH
, but no other value