Datasheet
10
Data Sheet
16 Mbit Multi-Purpose Flash Plus
SST39VF1601C / SST39VF1602C
©2010 Silicon Storage Technology, Inc. S71380-04-000 05/10
TABLE 6: Operation Modes Selection
Mode CE# OE# WE# DQ Address
Read V
IL
V
IL
V
IH
D
OUT
A
IN
Program V
IL
V
IH
V
IL
D
IN
A
IN
Erase V
IL
V
IH
V
IL
X
1
Sector or block address, XXH for Chip-Erase
Standby V
IH
X X High Z X
Write Inhibit X V
IL
X High Z/ D
OUT
X
XXV
IH
High Z/ D
OUT
X
Product Identification
Software Mode V
IL
V
IL
V
IH
See Table 7
T6.0 1380
1. X can be V
IL
or V
IH
, but no other value.
TABLE 7: Software Command Sequence
Command
Sequence
1st Bus
Write Cycle
2nd Bus
Write Cycle
3rd Bus
Write Cycle
4th Bus
Write Cycle
5th Bus
Write Cycle
6th Bus
Write Cycle
Addr
1
1. Address format A
10
-A
0
(Hex). Addresses A
11
-A
19
can be V
IL
or V
IH
, but no other value, for Command sequence.
Data
2
2. DQ
15
-DQ
8
can be V
IL
or V
IH
, but no other value, for Command sequence
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Word-Program
555H AAH 2AAH 55H 555H A0H WA
3
3. WA = Program Word address
Data
Sector-Erase
555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H SA
X
4
4. SA
X
for Sector-Erase; uses A
MS
-A
11
address lines
BA
X
, for Block-Erase; uses A
MS
-A
15
address lines
A
MS
= Most significant address; A
MS
= A
19
50H
Block-Erase
555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H BA
X
4
30H
Chip-Erase
555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H 555H 10H
Erase-Suspend
XXXH B0H
Erase-Resume
XXXH 30H
Query Sec ID
5
5. With A
MS
-A
4
= 0; Sec ID is read with A
3
-A
0
,
SST ID is read with A
3
= 0 (Address range = 000000H to 000007H),
User ID is read with A
3
= 1 (Address range = 000008H to 000087H).
Lock Status is read with A
7
-A
0
= 0000FFH. Unlocked: DQ
3
= 1 / Locked: DQ
3
= 0.
555H AAH 2AAH 55H 555H 88H
User Security ID
Word-Program
555H AAH 2AAH 55H 555H A5H WA
6
6. Valid Word-Addresses for Sec ID are from 000000H-000007H and 000008H-000087H.
Data
User Security ID
Program Lock-Out
555H AAH 2AAH 55H 555H 85H XXH
6
0000H
Software ID Entry
7,8
7. The device does not remain in Software Product ID Mode if powered down.
8. With A
MS
-A
1
=0; SST Manufacturer ID = 00BFH, is read with A
0
= 0,
SST39VF1601C Device ID = 234FH, is read with A
0
= 1, SST39VF1602C Device ID = 234EH, is read with A
0
= 1,
A
MS
= Most significant address; A
MS
= A
19
555H AAH 2AAH 55H 555H 90H
CFI Query Entry
555H AAH 2AAH 55H 555H 98H
CFI Query Entry
55H 98H
Software ID Exit
9,10
/CFI Exit/Sec ID Exit
9. Both Software ID Exit operations are equivalent
10. If users never lock after programming, Sec ID can be programmed over the previously unprogrammed bits (data=1) using the Sec ID
mode again (the programmed ‘0’ bits cannot be reversed to ‘1’). Valid Word-Addresses for Sec ID are from 000000H-000007H and
000008H-000087H.
555H AAH 2AAH 55H 555H F0H
Software ID Exit
9,10
/CFI Exit/Sec ID Exit
XXH F0H
T7.6 1380