Datasheet

©2011 Silicon Storage Technology, Inc. DS25008A 08/11
32
64 Mbit Multi-Purpose Flash Plus
SST39VF6401B / SST39VF6402B
Not Recommended for New Designs
A
Microchip Technology Company
Figure 23:Erase Command Sequence
1288 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