Datasheet

©2011 Silicon Storage Technology, Inc. DS25028A 08/11
11
16 Mbit / 32 Mbit Multi-Purpose Flash Plus
SST39VF1601 / SST39VF3201
SST39VF1602 / SST39VF3202
Not Recommended for New Designs
A
Microchip Technology Company
Operations
Table 5: 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
1. X can be V
IL
or V
IH
, but no other value.
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 6
T5.0 25028
Table 6: 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
14
-A
0
(Hex).
Addresses A
15
-A
19
can be V
IL
or V
IH
, but no other value, for Command sequence for SST39VF1601/1602,
Addresses A
15
-A
20
can be V
IL
or V
IH
, but no other value, for Command sequence for SST39VF3201/3202,
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Addr
1
Data
2
Word-Program
5555H AAH
2AAAH
55H 5555H A0H WA
3
Data
Sector-Erase
5555H AAH
2AAAH
55H 5555H 80H 5555
H
AAH
2AAAH
55H SA
X
4
30H
Block-Erase
5555H AAH
2AAAH
55H 5555H 80H 5555
H
AAH
2AAAH
55H BA
X
4
50H
Chip-Erase
5555H AAH
2AAAH
55H 5555H 80H 5555
H
AAH
2AAAH
55H 5555
H
10H
Erase-Suspend
XXXX
H
B0H
Erase-Resume
XXXX
H
30H
Query Sec ID
5
5555H AAH
2AAAH
55H 5555H 88H
User Security ID
Word-Program
5555H AAH
2AAAH
55H 5555H A5H WA
6
Data
User Security ID
Program Lock-Out
5555H AAH
2AAAH
55H 5555H 85H XXH
6
0000
H
Software ID
Entry
7,8
5555H AAH
2AAAH
55H 5555H 90H
CFI Query Entry
5555H AAH
2AAAH
55H 5555H 98H
Software ID
Exit
9,10
/CFI Exit/
Sec ID Exit
5555H AAH
2AAAH
55H 5555H F0H
Software ID
Exit
9,10
/CFI Exit/Sec ID
Exit
XXH F0H
T6.6 25028