16 Megabit Multi-Purpose Flash
SST39VF160Q / SST39VF160
Advance Information
T
ABLE
4: S
OFTWARE
C
OMMAND
S
EQUENCE
Command
Sequence
Word Program
Sector Erase
Block Erase
Chip Erase
Software ID Entry
CFI Query Entry
Software ID Exit/
CFI Exit
Software ID Exit/
CFI Exit
Notes:
(1)
(2)
1st Bus
Write Cycle
Addr
(1)
Data
5555H
5555H
5555H
5555H
5555H
5555H
XXH
5555H
AAH
AAH
AAH
AAH
AAH
AAH
F0H
AAH
2nd Bus
Write Cycle
Addr
(1)
Data
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
55H
55H
55H
55H
55H
55H
3rd Bus
Write Cycle
Addr
(1)
Data
5555H
5555H
5555H
5555H
5555H
5555H
A0H
80H
80H
80H
90H
98H
4th Bus
Write Cycle
Addr
(1)
Data
WA
(3)
5555H
5555H
5555H
Data
AAH
AAH
AAH
5th Bus
Write Cycle
Addr
(1)
Data
2AAAH
2AAAH
2AAAH
55H
55H
55H
6th Bus
Write Cycle
Addr
(1)
Data
SA
x
(2)
BA
x
(2)
5555H
30H
50H
10H
2AAAH
55H
5555H
F0H
329 PGM T4.2
(3)
(4)
(5)
Address format A
14
-A
0
(Hex), Addresses A
15,
A
16,
A
17,
A
18
and A
19
are “Don’t Care” for Command sequence.
SA
x
for sector erase; uses A
19
-A
11
address lines
BA
x
, for block erase; uses A
19
-A
15
address lines
WA = Program word address
Both Software ID Exit operations are equivalent
DQ
15
- DQ
8
are “Don’t Care” for Command sequence
Notes for Software ID Entry Command Sequence
1. With A
19
-A
1
=0; SST Manufacturer Code = 00BFH, is read with A
0
= 0,
SST39VF160Q/VF160 Device Code = 2782H, is read with A
0
= 1.
2. The device does not remain in Software Product ID Mode if powered down.
T
ABLE
5: CFI Q
UERY
I
DENTIFICATION
S
TRING
Address
Data
Data
10H
0051H
11H
0052H
Query Unique ASCII string “QRY”
12H
0059H
13H
0001H
Primary OEM command set
14H
0007H
15H
0000H
Address for Primary Extended Table
16H
0000H
17H
0000H
Alternate OEM command set (00H = none exists)
18H
0000H
19H
1AH
0000H
0000H
Address for Alternate OEM extended Table (00H = none exits)
329 PGM T5.2
© 1998 Silicon Storage Technology, Inc.
6
329-09 11/98
SST [ SILICON STORAGE TECHNOLOGY, INC ]
