1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39SF010A / SST39SF020A / SST39SF040
Preliminary Specification
Toggle Bit
Data# Polling
Internal Timer
Byte
Program/Erase
Initiated
Byte
Program/Erase
Initiated
Byte
Program/Erase
Initiated
Read DQ
7
Read byte
Wait T
BP
SCE, or SE
,
T
T
Read same
byte
Is DQ =
7
No
true data?
Program/Erase
Completed
Yes
No
Does DQ
match?
6
Program/Erase
Completed
Yes
Program/Erase
Completed
398 ILL F14.0
FIGURE 16: WAIT OPTIONS
©2001 Silicon Storage Technology, Inc.
S71147-02-000 5/01 398
17