2 Mbit Flash + 1 Mbit SRAM ComboMemory
SST31LF021 / SST31LF021E
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 TSBE
Chip erased
to FFH
FIGURE 19: ERASE COMMAND SEQUENCE
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
392 ILL F16.1
©2001 Silicon Storage Technology, Inc.
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S71137-03-000 10/01 392