©2011 Silicon Storage Technology, Inc. DS25051A 09/11
28
4 Mbit SPI Serial Flash
SST25VF040B
Data Sheet
A
Microchip Technology Company
Figure 26:AC Input/Output Reference Waveforms
Figure 27:A Test Load Example
1295 IORef.0
REFERENCE POINTS OUTPUTINPUT
V
HT
V
LT
V
HT
V
LT
V
IHT
V
ILT
AC test inputs are driven at V
IHT
(0.9V
DD
) for a logic “1” and V
ILT
(0.1V
DD
) for a logic “0”. Measure-
ment reference points for inputs and outputs are V
HT
(0.6V
DD
) and V
LT
(0.4V
DD
). Input rise and fall
times (10% 90%) are <5 ns.
Note: V
HT
-V
HIGH
Test
V
LT
-V
LOW
Test
V
IHT
-V
INPUT
HIGH
Test
1295 TstLd.0
TO TESTER
TO DUT
C
L
©2011 Silicon Storage Technology, Inc. DS25051A 09/11
29
4 Mbit SPI Serial Flash
SST25VF040B
Data Sheet
A
Microchip Technology Company
Product Ordering Information
Valid combinations for SST25VF040B
Note:Valid combinations are those products in mass production or will be in mass production. Consult your SST
sales representative to confirm availability of valid combinations and to determine availability of new combi-
nations.
SST25VF040B-50-4C-S2AF SST25VF040B-50-4C-QAF SST25VF040B-50-4C-SAF
SST25VF040B-50-4I-S2AF SST25VF040B-50-4I-QAF SST25VF040B-50-4I-SAF
SST25VF040B-80-4I-S2AE SST25VF040B-80-4I-QAE SST25VF040B-80-4I-SAE
SST 25 VF 040B - 50 - 4C - S2AF
XX XX XXXX - XX - XX
-
XXXX
Environmental Attribute
F
1
= non-Pb / non-Sn contact (lead) finish:
Nickel plating with Gold top (outer) layer
E
2
= non-Pb
Package Modifier
A = 8 leads or contacts
Package Type
S2 = SOIC 200 mil body width
S = SOIC 150 mil body width
Q = WSON
Temperature Range
C = Commercial = 0°C to +70°C
I = Industrial = -40°C to +85°C
Minimum Endurance
4 = 10,000 cycles
Operating Frequency
50 = 50 MHz
80 = 80 MHz
Device Density
040 = 4 Mbit
Voltage
V = 2.7-3.6V
Product Series
25 = Serial Peripheral Interface flash
memory
1. Environmental suffix “F” denotes non-Pb/non-SN
solder. SST non-Pb/non-Sn solder devices are
“RoHS Compliant”.
2. Environmental suffix “E” denotes non-Pb solder.
SST non-Pb solder devices are “RoHS Compliant”.
©2011 Silicon Storage Technology, Inc. DS25051A 09/11
30
4 Mbit SPI Serial Flash
SST25VF040B
Data Sheet
A
Microchip Technology Company
Packaging Diagrams
Figure 28: 8-Lead Small Outline Integrated Circuit (SOIC) 200 mil Body Width (5.2mm x 8mm)
SST Package Code: S2A
2.16
1.75
08-soic-EIAJ-S2A-3
Note: 1. All linear dimensions are in millimeters (max/min).
2. Coplanarity: 0.1 mm
3. Maximum allowable mold flash is 0.15 mm at the package ends and 0.25 mm between leads.
TOP VIEW SIDE VIEW
END VIEW
5.40
5.15
8.10
7.70
5.40
5.15
Pin #1
Identifier
0.50
0.35
1.27 BSC
0.25
0.05
0.25
0.19
0.80
0.50
1mm

SST25VF040B-80-4I-QAE-T

Mfr. #:
Manufacturer:
Microchip Technology
Description:
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union