SST39VF6401 Silicon Storage Technology, Inc., SST39VF6401 Datasheet - Page 9

• Manufacturer Part Number: SST39VF6401
• Description: 64 Mbit X16 Multi-purpose Flash Plus
• Manufacturer: Silicon Storage Technology, Inc.

16 Mbit / 32 Mbit Multi-Purpose Flash Plus
SST39VF6401 / SST39VF6402
TABLE 6: Software Command Sequence
©2008 Silicon Storage Technology, Inc.
Command
Sequence
Word-Program
Sector-Erase
Block-Erase
Chip-Erase
Erase-Suspend
Erase-Resume
Query Sec ID
User Security ID
Word-Program
User Security ID
Program Lock-Out
Software ID Entry
CFI Query Entry
Software ID Exit
/CFI Exit/Sec ID Exit
Software ID Exit
/CFI Exit/Sec ID Exit
10. If users never lock after programming, Sec ID can be programmed over the previously unprogrammed bits (data=1) using the Sec ID
1. Address format A
2. DQ
3. WA = Program Word address
4. SA
5. With A
6. Valid Word-Addresses for Sec ID are from 000000H-000007H and 000010H-000017H.
7. The device does not remain in Software Product ID Mode if powered down.
8. With A
9. Both Software ID Exit operations are equivalent
Addresses A
BA
A
A
Lock Status is read with A
A
A
mode again (the programmed “0” bits cannot be reversed to “1”). Valid Word-Addresses for Sec ID are from 000000H-000007H and
000010H-000017H.
MS
MS
MS
MS
X
X
15
, for Block-Erase; uses A
for Sector-Erase; uses A
= Most significant address
= A
= Most significant address
= A
-DQ
MS
MS
5
21
21
-A
-A
8
9,10
for SST39VF6401/6402
for SST39VF6401/6402
9,10
can be V
4
1
7,8
15
= 0; Sec ID is read with A
=0; SST Manufacturer ID = 00BFH, is read with A
- A
XXXXH
XXXXH
SST39VF6401 Device ID = 236BH, is read with A
SST39VF6402 Device ID = 236AH, is read with A
14
21
SST ID is read with A
User ID is read with A
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
Addr
XXH
Write Cycle
-A
IL
can be V
0
1st Bus
or V
(Hex).
1
7
IH
-A
, but no other value, for Command sequence
Data
MS
IL
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
AAH
MS
0
B0H
F0H
30H
= 0000FFH. Unlocked: DQ
or V
-A
-A
15
2
11
IH
address lines
address lines
, but no other value, for Command sequence for SST39VF6401/6402.
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
2AAAH
Addr
3
3
3
Write Cycle
-A
= 0 (Address range = 000000H to 000007H),
= 1 (Address range = 000010H to 000017H).
2nd Bus
0
,
1
Data
55H
55H
55H
55H
55H
55H
55H
55H
55H
55H
2
3
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
5555H
Addr
= 1 / Locked: DQ
Write Cycle
3rd Bus
0
9
1
= 0,
0
0
Data
= 1,
= 1.
A0H
A5H
F0H
80H
80H
80H
88H
85H
90H
98H
2
3
5555H
5555H
5555H
Addr
= 0.
XXH
WA
WA
Write Cycle
4th Bus
3
6
6
1
0000H
Data
Data
AAH
AAH
AAH
Data
2
2AAAH
2AAAH
2AAAH
Addr
Write Cycle
5th Bus
1
Data
55H
55H
55H
2
S71223(03)-00-EOL
EOL Data Sheet
5555H
Addr
SA
BA
Write Cycle
6th Bus
X
X
4
4
1
T6.6 1223(03)
Data
30H
50H
10H
6/08
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