512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF512 / SST39LF010 / SST39LF020 / SST39LF040
SST39VF512 / SST39VF010 / SST39VF020 / SST39VF040
Data Sheet
TABLE 4: Software Command Sequence
Command
Sequence
Byte-Program
Sector-Erase
Chip-Erase
Software ID Entry
4,5
Software ID Exit
6
Software ID Exit
1st Bus
Write Cycle
Addr
1
5555H
5555H
5555H
5555H
XXH
5555H
Data
AAH
AAH
AAH
AAH
F0H
AAH
2AAAH
55H
5555H
F0H
T4.2 1150
2nd Bus
Write Cycle
Addr
1
2AAAH
2AAAH
2AAAH
2AAAH
Data
55H
55H
55H
55H
3rd Bus
Write Cycle
Addr
1
5555H
5555H
5555H
5555H
Data
A0H
80H
80H
90H
4th Bus
Write Cycle
Addr
1
BA
2
5555H
5555H
Data
Data
AAH
AAH
5th Bus
Write Cycle
Addr
1
2AAAH
2AAAH
Data
55H
55H
6th Bus
Write Cycle
Addr
1
SA
X3
5555H
Data
30H
10H
1. Address format A
14
-A
0
(Hex),
Address A
15
can be V
IL
or V
IH
, but no other value, for the Command sequence for SST39LF/VF512.
Addresses A
MS
-A
15
can be V
IL
or V
IH
, but no other value, for the Command sequence.
A
MS
= Most significant address
A
MS
= A
15
for SST39LF/VF512, A
16
for SST39LF/VF010, A
17
for SST39LF/VF020, and A
18
for SST39LF/VF040
2. BA = Program Byte address
3. SA
X
for Sector-Erase; uses A
MS
-A
12
address lines
4. The device does not remain in Software Product ID mode if powered down.
5. With A
MS
-A
1
= 0; SST Manufacturer’s ID = BFH, is read with A
0
= 0,
SST39LF/VF512 Device ID = D4H, is read with A
0
= 1,
SST39LF/VF010 Device ID = D5H, is read with A
0
= 1,
SST39LF/VF020 Device ID = D6H, is read with A
0
= 1,
SST39LF/VF040 Device ID = D7H, is read with A
0
= 1.
6. Both Software ID Exit operations are equivalent
Absolute Maximum Stress Ratings
(Applied conditions greater than those listed under “Absolute Maximum Stress
Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at
these conditions or conditions greater than those defined in the operational sections of this data sheet is not implied. Expo-
sure to absolute maximum stress rating conditions may affect device reliability.)
Temperature Under Bias . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55°C to +125°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
D. C. Voltage on Any Pin to Ground Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to V
DD
+0.5V
Transient Voltage (<20 ns) on Any Pin to Ground Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2.0V to V
DD
+2.0V
Voltage on A
9
Pin to Ground Potential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.5V to 13.2V
Package Power Dissipation Capability (Ta = 25°C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.0W
Surface Mount Solder Reflow Temperature
1
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260°C for 10 seconds
Output Short Circuit Current
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 mA
1. Excluding certain with-Pb 32-PLCC units, all packages are 260
°
C capable in both non-Pb and with-Pb solder versions.
Certain with-Pb 32-PLCC package types are capable of 240
°
C for 10 seconds; please consult the factory for the latest information.
2. Outputs shorted for no more than one second. No more than one output shorted at a time.
Operating Range for SST39LF512/010/020/040
Range
Commercial
Ambient Temp
0°C to +70°C
V
DD
3.0-3.6V
AC Conditions of Test
Input Rise/Fall Time . . . . . . . . . . . . . . . 5 ns
Output Load
C
L
= 30 pF for SST39LF512/010/020/040
C
L
= 100 pF for SST39VF512/010/020/040
See Figures 15 and 16
Operating Range for SST39VF512/010/020/040
Range
Commercial
Industrial
Ambient Temp
0°C to +70°C
-40°C to +85°C
V
DD
2.7-3.6V
2.7-3.6V
©2010 Silicon Storage Technology, Inc.
S71150-14-000
01/10
7
SST [ SILICON STORAGE TECHNOLOGY, INC ]
