Data Sheet

IP4340CX15
6-channel filter for ESD protection of microSD memory card
interfaces
Rev. 2 — 13 August 2012
Product data sheet
1. Product profile
1.1 General description
Array of 13 diodes and 11 resistors designed to protect downstream components against
ElectroStatic Discharge (ESD) voltages as high as 15 kV. The device is encapsulated in a
1.56 mm  1.56 mm Wafer-Level Chip-Scale Package (WLCSP) fabricated using
monolithic silicon semiconductor technology.
These features make the device ideal for use in applications requiring a high degree of
miniaturization, such as mobile phone handsets, cordless telephones and personal digital
devices.
1.2 Features and benefits
 Pb-free, Restriction of Hazardous Substances (RoHS) compliant and free of halogen
and antimony (Dark Green compliant)
 Integrated ESD protection, ElectroMagnetic Interference (EMI) and RF filtering for
microSD memory card channels
 ESD protection up to 15 kV on 6 channels at output terminals
 Integrated EMI and RF filters with pull-up resistors (on 5 channels)
 Additional power supply protection
 WLCSP with 0.4 mm pitch
1.3 Applications
 MicroSD memory card interfaces in cellular phone and Personal Communication
System (PCS) mobile handsets
 Cordless telephones
 Digital still and video cameras
 Media players
 Card readers
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
2. Pinning information
2.1 Pinning
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Fig 1.
Pin configuration IP4340CX15
2.2 Pin description
Table 1.
Symbol
Pin
Type[1]
Description
DATA0
A1
I/O
data 0 input or output
DATA1
A2
I/O
data 1 input or output
SDDATA1
A3
I/O
data 1 input or output on microSD card side
SDDATA0
A4
I/O
data 0 input or output on microSD card side
CLK
B1
I/O
clock signal input or output
VCC
B2
S
supply voltage
GND
B3
S
ground
SDCLK
B4
I/O
clock signal on microSD card side
CMD
C1
I/O
command signal
n.c.
C2
-
-
GND
C3
S
ground
SDCMD
C4
I/O
command signal on microSD card side
DATA3
D1
I/O
data 3 input or output
DATA2
D2
I/O
data 2 input or output
SDDATA2
D3
I/O
data 2 input or output on microSD card side
SDDATA3
D4
I/O
data 3 input or output on microSD card side
[1]
IP4340CX15
Product data sheet
Pin description
I = input, O = output, I/O = input and output, S = power supply.
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
2 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
3. Ordering information
Table 2.
Ordering information
Type number
Package
IP4340CX15/P
Name
Description
Version
WLCSP15
wafer-level chip-size package; 15 bumps; 1.56  1.56  0.47 mm
IP4340CX15/P
4. Functional diagram
9&&
5
5
5
5
5
5
&/.
6'&/.
5
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6'&0'
5
'$7$
6''$7$
5
'$7$
6''$7$
5
'$7$
6''$7$
5
'$7$
6''$7$
*1'
Fig 2.
DDD
Schematic diagram IP4340CX15
5. Limiting values
Table 3.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
VI
input voltage
VESD
Conditions
electrostatic discharge voltage
Min
Max
Unit
0.5
+5.0
V
15
+15
kV
15
+15
kV
contact discharge
2
+2
kV
air discharge
2
+2
kV
IEC 61000-4-2, level 4, pins on
microSD card side
contact discharge
air discharge
[1]
[2]
IEC 61000-4-2, level 1, all other pins
Pch
channel power dissipation
continuous power; Tamb = 70 C
-
25
mW
Ptot
total power dissipation
Tamb = 70 C
-
100
mW
IP4340CX15
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
3 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
Table 3.
Limiting values …continued
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Tstg
storage temperature
Treflow(peak)
peak reflow temperature
Tamb
ambient temperature
Conditions
tp  10 s
Min
Max
Unit
55
+150
C
-
260
C
30
+85
C
[1]
Pins microSD card side: A3, A4, B4, C4, D3, D4 and B2
[2]
Device is qualified with 1000 pulses of 15 kV contact discharges each, according to the IEC 61000-4-2 model and far exceeds the
specified level 4 (8 kV contact discharge).
6. Characteristics
Table 4.
Characteristics
Tamb = 25 C unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Rs(ch)
channel series resistance
R1 to R6
36
40
44

Rpu
pull-up resistance
R9 to R12
40
50
60
k
12
15
18
k
Cline
line capacitance
including diode capacitance;
VI = 0 V; f = 1 MHz; B2 = GND
8
11
14
pF
VBR
breakdown voltage
II = 1 mA
6
-
-
V
IRM
reverse leakage current
VI = 3 V
-
-
100
nA
R13
[1]
[1]
Guaranteed by design.
7. Frequency response
Table 5.
Frequency response
Symbol
Parameter
Conditions
il
insertion loss
all channels; Rsource = 50 ;
RL = 50 
f < 400 MHz
IP4340CX15
Product data sheet
Min
Typ
Max
Unit
-
-
7
dB
400 MHz < f < 800 MHz
4
-
-
dB
800 MHz < f < 2.5 GHz
8
-
-
dB
2.5 GHz < f < 6.0 GHz
19
-
-
dB
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
4 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
8. Application information
8.1 Insertion loss
The insertion loss measurement configuration of a typical NetWork Analyzer (NWA)
system is shown in Figure 3. The insertion loss is measured with a test Printed-Circuit
Board (PCB) utilizing laser-drilled micro-via holes that connect the PCB ground plane to
the IP4340CX15 ground pins.
DUT
IN
50 Ω
OUT
TEST BOARD
50 Ω
Vgen
018aaa016
Fig 3.
Frequency response setup
The frequency response curves for all channels at frequencies up to 6 GHz are shown in
Figure 4.
6
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I0+]
(1) channel B1 to B4
(2) channel C1 to C4
(3) channel A1 to A4
(4) channel D2 to D4, A2 to A3, D1 to D4
Fig 4.
IP4340CX15
Product data sheet
Measured insertion loss magnitudes
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
5 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
8.2 Crosstalk
The setup for crosstalk measurements in a 50  NWA system from one channel to
another is shown in Figure 5. For the measurements, calibrated RF-probes are contacted
to DUT bumps. Typical examples of crosstalk measurement results are depicted in
Figure 6 and 7.
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,1B<
287B;
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287B<
9JHQ
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DDD
Fig 5.
Crosstalk measurement configuration
DDD
6
G%
DDD
6
G%
I0+]
(1) Pin A1 to B4
(1) Pin A2 to B4
(2) Pin A1 to A2, D1 to D2
(2) Pin A1 to C1
I0+]
(3) Pin A1 to A3, D1 to D3
Fig 6.
Crosstalk behavior between adjacent channels
IP4340CX15
Product data sheet
Fig 7.
Crosstalk behavior between adjacent channels
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
6 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
9. Package outline
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Fig 8.
Package outline IP4340CX15 (WLCSP15)
Table 6.
Package outline dimensions
Symbol
Min
Typ
Max
Unit
A
0.44
0.47
0.50
mm
A1
0.18
0.20
0.22
mm
A2
0.26
0.27
0.28
mm
b
0.21
0.26
0.31
mm
D
1.51
1.56
1.61
mm
E
1.51
1.56
1.61
mm
IP4340CX15
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
7 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
Table 6.
Package outline dimensions …continued
Symbol
Min
Typ
Max
Unit
e
-
0.40
-
mm
e1
-
1.2
-
mm
e2
-
1.2
-
mm
10. Soldering of WLCSP packages
10.1 Introduction to soldering WLCSP packages
This text provides a very brief insight into a complex technology. A more in-depth account
of soldering WLCSP (Wafer Level Chip-Size Packages) can be found in application note
AN10439 “Wafer Level Chip Scale Package” and in application note AN10365 “Surface
mount reflow soldering description”.
Wave soldering is not suitable for this package.
All NXP WLCSP packages are lead-free.
10.2 Board mounting
Board mounting of a WLCSP requires several steps:
1. Solder paste printing on the PCB
2. Component placement with a pick and place machine
3. The reflow soldering itself
10.3 Reflow soldering
Key characteristics in reflow soldering are:
• Lead-free versus SnPb soldering; note that a lead-free reflow process usually leads to
higher minimum peak temperatures (see Figure 9) than a PbSn process, thus
reducing the process window
• Solder paste printing issues, such as smearing, release, and adjusting the process
window for a mix of large and small components on one board
• Reflow temperature profile; this profile includes preheat, reflow (in which the board is
heated to the peak temperature), and cooling down. It is imperative that the peak
temperature is high enough for the solder to make reliable solder joints (a solder paste
characteristic) while being low enough that the packages and/or boards are not
damaged. The peak temperature of the package depends on package thickness and
volume and is classified in accordance with Table 7.
Table 7.
Lead-free process (from J-STD-020C)
Package thickness (mm)
Package reflow temperature (C)
Volume (mm3)
IP4340CX15
Product data sheet
< 350
350 to 2000
> 2000
< 1.6
260
260
260
1.6 to 2.5
260
250
245
> 2.5
250
245
245
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
8 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
Moisture sensitivity precautions, as indicated on the packing, must be respected at all
times.
Studies have shown that small packages reach higher temperatures during reflow
soldering, see Figure 9.
maximum peak temperature
= MSL limit, damage level
temperature
minimum peak temperature
= minimum soldering temperature
peak
temperature
time
001aac844
MSL: Moisture Sensitivity Level
Fig 9.
Temperature profiles for large and small components
For further information on temperature profiles, refer to application note AN10365
“Surface mount reflow soldering description”.
10.3.1 Stand off
The stand off between the substrate and the chip is determined by:
• The amount of printed solder on the substrate
• The size of the solder land on the substrate
• The bump height on the chip
The higher the stand off, the better the stresses are released due to TEC (Thermal
Expansion Coefficient) differences between substrate and chip.
10.3.2 Quality of solder joint
A flip-chip joint is considered to be a good joint when the entire solder land has been
wetted by the solder from the bump. The surface of the joint should be smooth and the
shape symmetrical. The soldered joints on a chip should be uniform. Voids in the bumps
after reflow can occur during the reflow process in bumps with high ratio of bump diameter
to bump height, i.e. low bumps with large diameter. No failures have been found to be
related to these voids. Solder joint inspection after reflow can be done with X-ray to
monitor defects such as bridging, open circuits and voids.
IP4340CX15
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
9 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
10.3.3 Rework
In general, rework is not recommended. By rework we mean the process of removing the
chip from the substrate and replacing it with a new chip. If a chip is removed from the
substrate, most solder balls of the chip will be damaged. In that case it is recommended
not to re-use the chip again.
Device removal can be done when the substrate is heated until it is certain that all solder
joints are molten. The chip can then be carefully removed from the substrate without
damaging the tracks and solder lands on the substrate. Removing the device must be
done using plastic tweezers, because metal tweezers can damage the silicon. The
surface of the substrate should be carefully cleaned and all solder and flux residues
and/or underfill removed. When a new chip is placed on the substrate, use the flux
process instead of solder on the solder lands. Apply flux on the bumps at the chip side as
well as on the solder pads on the substrate. Place and align the new chip while viewing
with a microscope. To reflow the solder, use the solder profile shown in application note
AN10365 “Surface mount reflow soldering description”.
10.3.4 Cleaning
Cleaning can be done after reflow soldering.
IP4340CX15
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
10 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
11. Revision history
Table 8.
Revision history
Document ID
Release date
Data sheet status
Change notice
Supersedes
IP4340CX15 v.2
20120813
Product data sheet
-
IP4340CX15 v.1
Modifications:
IP4340CX15 v.1
IP4340CX15
Product data sheet
•
Corrected package dimensions in Table 2 (height) and Table 6 (maximum values D and E)
20120615
Product data sheet
-
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
-
© NXP B.V. 2012. All rights reserved.
11 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
12. Legal information
12.1 Data sheet status
Document status[1][2]
Product status[3]
Definition
Objective [short] data sheet
Development
This document contains data from the objective specification for product development.
Preliminary [short] data sheet
Qualification
This document contains data from the preliminary specification.
Product [short] data sheet
Production
This document contains the product specification.
[1]
Please consult the most recently issued document before initiating or completing a design.
[2]
The term ‘short data sheet’ is explained in section “Definitions”.
[3]
The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.nxp.com.
12.2 Definitions
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. NXP Semiconductors does not give any
representations or warranties as to the accuracy or completeness of
information included herein and shall have no liability for the consequences of
use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is intended
for quick reference only and should not be relied upon to contain detailed and
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local NXP Semiconductors sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
NXP Semiconductors and its customer, unless NXP Semiconductors and
customer have explicitly agreed otherwise in writing. In no event however,
shall an agreement be valid in which the NXP Semiconductors product is
deemed to offer functions and qualities beyond those described in the
Product data sheet.
12.3 Disclaimers
Limited warranty and liability — Information in this document is believed to
be accurate and reliable. However, NXP Semiconductors does not give any
representations or warranties, expressed or implied, as to the accuracy or
completeness of such information and shall have no liability for the
consequences of use of such information. NXP Semiconductors takes no
responsibility for the content in this document if provided by an information
source outside of NXP Semiconductors.
In no event shall NXP Semiconductors be liable for any indirect, incidental,
punitive, special or consequential damages (including - without limitation - lost
profits, lost savings, business interruption, costs related to the removal or
replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Notwithstanding any damages that customer might incur for any reason
whatsoever, NXP Semiconductors’ aggregate and cumulative liability towards
customer for the products described herein shall be limited in accordance
with the Terms and conditions of commercial sale of NXP Semiconductors.
Right to make changes — NXP Semiconductors reserves the right to make
changes to information published in this document, including without
limitation specifications and product descriptions, at any time and without
notice. This document supersedes and replaces all information supplied prior
to the publication hereof.
IP4340CX15
Product data sheet
Suitability for use — NXP Semiconductors products are not designed,
authorized or warranted to be suitable for use in life support, life-critical or
safety-critical systems or equipment, nor in applications where failure or
malfunction of an NXP Semiconductors product can reasonably be expected
to result in personal injury, death or severe property or environmental
damage. NXP Semiconductors and its suppliers accept no liability for
inclusion and/or use of NXP Semiconductors products in such equipment or
applications and therefore such inclusion and/or use is at the customer’s own
risk.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. NXP Semiconductors makes no
representation or warranty that such applications will be suitable for the
specified use without further testing or modification.
Customers are responsible for the design and operation of their applications
and products using NXP Semiconductors products, and NXP Semiconductors
accepts no liability for any assistance with applications or customer product
design. It is customer’s sole responsibility to determine whether the NXP
Semiconductors product is suitable and fit for the customer’s applications and
products planned, as well as for the planned application and use of
customer’s third party customer(s). Customers should provide appropriate
design and operating safeguards to minimize the risks associated with their
applications and products.
NXP Semiconductors does not accept any liability related to any default,
damage, costs or problem which is based on any weakness or default in the
customer’s applications or products, or the application or use by customer’s
third party customer(s). Customer is responsible for doing all necessary
testing for the customer’s applications and products using NXP
Semiconductors products in order to avoid a default of the applications and
the products or of the application or use by customer’s third party
customer(s). NXP does not accept any liability in this respect.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those given in
the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
Terms and conditions of commercial sale — NXP Semiconductors
products are sold subject to the general terms and conditions of commercial
sale, as published at http://www.nxp.com/profile/terms, unless otherwise
agreed in a valid written individual agreement. In case an individual
agreement is concluded only the terms and conditions of the respective
agreement shall apply. NXP Semiconductors hereby expressly objects to
applying the customer’s general terms and conditions with regard to the
purchase of NXP Semiconductors products by customer.
No offer to sell or license — Nothing in this document may be interpreted or
construed as an offer to sell products that is open for acceptance or the grant,
conveyance or implication of any license under any copyrights, patents or
other industrial or intellectual property rights.
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
12 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
Quick reference data — The Quick reference data is an extract of the
product data given in the Limiting values and Characteristics sections of this
document, and as such is not complete, exhaustive or legally binding.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific NXP Semiconductors product is automotive qualified,
the product is not suitable for automotive use. It is neither qualified nor tested
in accordance with automotive testing or application requirements. NXP
Semiconductors accepts no liability for inclusion and/or use of
non-automotive qualified products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards, customer
(a) shall use the product without NXP Semiconductors’ warranty of the
product for such automotive applications, use and specifications, and (b)
whenever customer uses the product for automotive applications beyond
NXP Semiconductors’ specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies NXP Semiconductors for any
liability, damages or failed product claims resulting from customer design and
use of the product for automotive applications beyond NXP Semiconductors’
standard warranty and NXP Semiconductors’ product specifications.
12.4 Trademarks
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
13. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
IP4340CX15
Product data sheet
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Rev. 2 — 13 August 2012
© NXP B.V. 2012. All rights reserved.
13 of 14
IP4340CX15
NXP Semiconductors
6-channel filter for ESD protection of microSD memory card interfaces
14. Contents
1
1.1
1.2
1.3
2
2.1
2.2
3
4
5
6
7
8
8.1
8.2
9
10
10.1
10.2
10.3
10.3.1
10.3.2
10.3.3
10.3.4
11
12
12.1
12.2
12.3
12.4
13
14
Product profile . . . . . . . . . . . . . . . . . . . . . . . . . . 1
General description . . . . . . . . . . . . . . . . . . . . . 1
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Pinning information . . . . . . . . . . . . . . . . . . . . . . 2
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 2
Ordering information . . . . . . . . . . . . . . . . . . . . . 3
Functional diagram . . . . . . . . . . . . . . . . . . . . . . 3
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 3
Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Frequency response . . . . . . . . . . . . . . . . . . . . . 4
Application information. . . . . . . . . . . . . . . . . . . 5
Insertion loss . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Crosstalk. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Package outline . . . . . . . . . . . . . . . . . . . . . . . . . 7
Soldering of WLCSP packages. . . . . . . . . . . . . 8
Introduction to soldering WLCSP packages . . . 8
Board mounting . . . . . . . . . . . . . . . . . . . . . . . . 8
Reflow soldering . . . . . . . . . . . . . . . . . . . . . . . . 8
Stand off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Quality of solder joint . . . . . . . . . . . . . . . . . . . . 9
Rework . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Revision history . . . . . . . . . . . . . . . . . . . . . . . . 11
Legal information. . . . . . . . . . . . . . . . . . . . . . . 12
Data sheet status . . . . . . . . . . . . . . . . . . . . . . 12
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Contact information. . . . . . . . . . . . . . . . . . . . . 13
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP B.V. 2012.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 13 August 2012
Document identifier: IP4340CX15