2 Megabit Multi-Purpose Flash
SST39SF020
Preliminary Specifications
Chip Erase
Command Sequence
Sector Erase
Command Sequence
1
Write data: AA
Address: 5555
Write data: AA
Address: 5555
2
3
Write data: 55
Address: 2AAA
Write data: 55
Address: 2AAA
4
5
Write data: 80
Address: 5555
Write data: 80
Address: 5555
6
Write data: AA
Address: 5555
Write data: AA
Address: 5555
7
8
Write data: 55
Address: 2AAA
Write data: 55
Address: 2AAA
9
10
11
12
13
14
15
16
Write data: 10
Address: 5555
Write data: 30
Address: SA
X
Wait T
Wait T
SE
SCE
Chip Erase
to FFH
Sector Erase
to FFH
326 ILL F16.0
FIGURE 17: ERASE COMMAND SEQUENCE
© 1998 Silicon Storage Technology, Inc.
326-10 12/98
19
SST [ SILICON STORAGE TECHNOLOGY, INC ]
