©2011 Silicon Storage Technology, Inc. DS25023A 08/11
22
1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF010 / SST39LF020 / SST39LF040
SST39VF010 / SST39VF020 / SST39VF040
Data Sheet
A
Microchip Technology Company
Figure 19:Software ID Command Flowcharts
1150 F15.2
Load data: AAH
Address: 5555H
Software ID Entry
Command Sequence
Load data: 55H
Address: 2AAAH
Load data: 90H
Address: 5555H
Wait T
IDA
Read Software ID
Load data: AAH
Address: 5555H
Software ID Exit
Reset Command Sequence
Load data: 55H
Address: 2AAAH
Load data: F0H
Address: 5555H
Load data: F0H
Address: XXH
Return to normal
operation
Wait T
IDA
Wait T
IDA
Return to normal
operation
©2011 Silicon Storage Technology, Inc. DS25023A 08/11
23
1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF010 / SST39LF020 / SST39LF040
SST39VF010 / SST39VF020 / SST39VF040
Data Sheet
A
Microchip Technology Company
Figure 20:Erase Command Sequence
1150 F16.1
Load data: AAH
Address: 5555H
Chip-Erase
Command Sequence
Load data: 55H
Address: 2AAAH
Load data: 80H
Address: 5555H
Load data: 55H
Address: 2AAAH
Load data: 10H
Address: 5555H
Load data: AAH
Address: 5555H
Wait T
SCE
Chip erased
to FFH
Load data: AAH
Address: 5555H
Sector-Erase
Command Sequence
Load data: 55H
Address: 2AAAH
Load data: 80H
Address: 5555H
Load data: 55H
Address: 2AAAH
Load data: 30H
Address: SA
X
Load data: AAH
Address: 5555H
Wait T
SE
Sector erased
to FFH
©2011 Silicon Storage Technology, Inc. DS25023A 08/11
24
1 Mbit / 2 Mbit / 4 Mbit Multi-Purpose Flash
SST39LF010 / SST39LF020 / SST39LF040
SST39VF010 / SST39VF020 / SST39VF040
Data Sheet
A
Microchip Technology Company
Product Ordering Information
SST 39 VF 010 - 45 - 4C - NHE
XX XX XXX - XX - XX
-
XXX
Environmental Attribute
E
1
= non-Pb
Package Modifier
H = 32 leads
K = 48 balls
M = 34 balls (54 possible positions)
Package Type
B3 = TFBGA (0.8mm pitch, 6mm x 8mm)
N = PLCC
M = WFBGA (0.5mm pitch, 4mm x 6mm)
W = TSOP (type 1, die up, 8mm x 14mm)
Temperature Range
C = Commercial = 0°C to +70°C
I = Industrial = -40°C to +85°C
Minimum Endurance
4 = 10,000 cycles
Read Access Speed
45=45ns
55=55ns
70=70ns
Device Density
040 = 4 Mbit
020 = 2 Mbit
010 = 1 Mbit
Voltage
L = 3.0-3.6V
V = 2.7-3.6V
Product Series
39 = Multi-Purpose Flash
1. Environmental suffix “E” denotes non-Pb solder.
SST non-Pb solder devices are RoHS compliant.

SST39LF040-55-4I-B3KE

Mfr. #:
Manufacturer:
Microchip Technology
Description:
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union