2 Megabit Multi-Purpose Flash
SST39SF020
Preliminary Specifications
1
Toggle Bit
Data# Polling
Internal Timer
2
Byte Program/
Sector Erase
Initiated
Byte Program
Initiated
Program/Erase
Initiated
3
4
Read DQ
7
Read byte
Wait T
,
T
BP
T
SCE, or SE
5
6
Read same
byte
Is DQ =
7
true data?
No
Program/Erase
Completed
7
Yes
No
Does DQ
6
match?
8
Write
Completed
Yes
9
Write
Completed
10
11
12
13
14
15
16
326 ILL F14.4
FIGURE 15: WAIT OPTIONS
© 1998 Silicon Storage Technology, Inc.
326-10 12/98
17