
1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
A Microchip Technology Company
SST39SF010A / SST39SF020A / SST39SF040
Data Sheet
Chip-Erase
Command Sequence
Load data: AAH
Address: 5555H
Load data: 55H
Address: 2AAAH
Load data: 80H
Address: 5555H
Load data: AAH
Address: 5555H
Load data: 55H
Address: 2AAAH
Load data: 10H
Address: 5555H
Wait TSCE
Chip erased
to FFH
Sector-Erase
Command Sequence
Load data: AAH
Address: 5555H
Load data: 55H
Address: 2AAAH
Load data: 80H
Address: 5555H
Load data: AAH
Address: 5555H
Load data: 55H
Address: 2AAAH
Load data: 30H
Address: SAX
Wait TSE
Sector erased
to FFH
1147 F16.1
Figure 19: Erase Command Sequence
?2011 Silicon Storage Technology, Inc.
22
DS25022A
07/11