Murata CMABR WLAN Module User Manual Bluetooth Module Data Sheet

Murata Manufacturing Co., Ltd. WLAN Module Bluetooth Module Data Sheet

Users Manual

                                 Preliminary Specification Number : SP-ABR-063-D  Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.                   WLAN Module Data Sheet      MP P/N: CMWC1ZZABR  Sample P/N: CMWC1ZZABR-TEMP  PMN: CMWC1ZZABR
                                 Preliminary Specification Number : SP-ABR-063-D  Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.    Revision History  Revision Code Date Description Comments Draft 2015-4-27  Draft  A 2015-5-14  1.  Block diagram updated (RF frond end is updated) 2.  Pin assignment updated 3.  Add recommended land pattern 4.  Update pin description  B 2015-6-10  1.  Modify pin name and description 2.  Add reference design 3.  Update operation temperature range  C 2015-12-30                  Important update for CMWC1ZZABR-063  D 2016-4-30  Added notifications of FCC and IC regulations
                                 Preliminary Specification Number : SP-ABR-063-D  Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd. Contents 1. Scope ................................................................................................................................................. 1 2. Part Number / Part Composition ..................................................................................................... 1 3. Block Diagram ................................................................................................................................... 1 4. Construction, Dimensions, Marking and Terminal Configurations ............................................ 2 4.1  Construction ................................................................................................................................. 2 4.2  Dimensions (in mm) ..................................................................................................................... 2 4.3  Label Marking .............................................................................................................................. 2 4.4  Pin assignment (top view)............................................................................................................ 3 4.5  Recommended land pattern ........................................................................................................ 4 4.6  Pin description ............................................................................................................................. 5 4.7  Configuration pins ........................................................................................................................ 6 5. Range ................................................................................................................................................. 6 5.1  Absolute maximum rating (Ta=25℃, Z=50ohm) .......................................................................... 6 5.2  Operating conditions .................................................................................................................... 6 6. RoHS Compliance ............................................................................................................................. 6 7. RF Characteristics for IEEE802.11 .................................................................................................. 7 8. Power Up Sequence ......................................................................................................................... 7 9. Electrical Characteristics ................................................................................................................. 7 9.1  I/O Static Ratings, 3.3V ............................................................................................................... 7 9.2  Clock Specifications (optional) .................................................................................................... 8 9.2.1  RC32K Specifications .............................................................................................................. 8 9.2.2  Crystal Specifications (32.768kHz) .......................................................................................... 8 10. Reference Circuit .............................................................................................................................. 8 11. PCB Antenna Layout Guidance ...................................................................................................... 9 12. Package ........................................................................................................................................... 10
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  1/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  1.  Scope  This  product  specification  is  applied  to  the  IEEE802.11b/g/n  WLAN  module  used  for  consumer applications.  Module size    : 22.0 x 19.0 x 2.4 (typ) mm Chipset    : Marvell 88MW300 Interface    : UART, GPIO Reference Clock    : Internal (external optional sleep clock) ROM      : SPI Flash on module (2Mbytes) Antenna                             : Integrated PCB antenna Certification    : FCC/CE/IC MSL        : 3 RoHS     : This module is compliant with the RoHS directive  *This module delivered with pre-programmed generic software as Serial Network Interface Controller.  2.  Part Number / Part Composition  Sample Part Number MP Part Number CMWC1ZZABR-TEMP CMWC1ZZABR   3.  Block  Diagram
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  2/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  4.  Construction,  Dimensions,  Marking  and  Terminal  Configurations  4.1 Construction                   Top view                                          Bottom view                         4.2 Dimensions  (in  mm)   Mark Min. Typ. Max. L 21.8 22 22.2 W 18.8 19 19.2 T - 2.4 2.55  4.3 Label  Marking  Mark Name A Pin.1 indicator B Murata logo C Model Name / P/N D FCC certification ID E IC certification ID F Inspection code G Sub type number: 063 H Version code: blank (Ver. 1.0) I 2D barcode (MAC address) J CE mark        L W C D E F G H I Pin.1 indicator A B J
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  3/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.   4.4 Pin  assignment  (top  view)                                                        1 2 3 4 5 6 7 8 9 10 11 12 13 37 36 35 34 33 32 31 30 29 28 27 26 25 14 15 16 17 18 19 20 21 22 23 24
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  4/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.   4.5 Recommended  land  pattern                                Antenna area
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  5/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.   4.6 Pin  description  No. Name Function I/O MW300 Pin No. MW300 Pin Function 1 GPIO_16 CON[5]: Configuration Bit I/O 30 GPIO_16 2 RESET_N Module Reset (active low) I 35 RESETn 3 GPIO_22 NC  36 GPIO_22 4 GPIO_23 Functional Button Pin (optional) I 37 GPIO_23 5 GPIO_24 NC  38 GPIO_24 6 GND      7 GPIO_25 32.768 kHz Crystal Input / Oscillator Input I 39 GPIO_25 8 GPIO_26 32.768 kHz Crystal Output O 40 GPIO_26 9 GND       10 GPIO_27 CON[4]: Configuration Bit I/O 51 GPIO_27 11 GPIO_39 NC  52 GPIO_39 12 GND       13 VDD33 3.3V DC Power Supply P    14 GPIO_40 LED_1: Module Status Indication (optional) O 55 GPIO_40 15 GPIO_41 LED_2: Link Status Indication (optional) O 56 GPIO_41 16 GPIO_42 NC  58 GPIO_42 17 GPIO_43 NC  59 GPIO_43 18 GPIO_44 NC  60 GPIO_44  19 GIPO_45 NC  61 GPIO_45 20 GND     21 GPIO_46 NC  62 GPIO_46 22 GPIO_47 NC  63 GPIO_47 23 GPIO_48 Debug Log (optional) O 64 GPIO_48 24 GPIO_49 NC  65 GPIO_49 25 GPIO_0 UART CTS (optional) I 1 GPIO_0 26 GPIO_1 UART RTS (optional) O 2 GPIO_1 27 GPIO_2 UART Transmit O 3 GPIO_2 28 GPIO_3 UART Receive I 4 GPIO_3 29 GND       30 GPIO_4 NC  6 GPIO_4 31 GPIO_5 NC  7 GPIO_5 32 GND      33 GPIO_6 TDO: JTAG Test Data (optional) O 8 GPIO_6 34 GPIO_7 TCK: JTAG Test Clock (optional) I 9 GPIO_7 35 GPIO_8 TMS: JTAG Controller Select (optional) I/O 10 GPIO_8 36 GPIO_9 TDI: JTAG Test Data (optional) I 11 GPIO_9 37 GPIO_10 TRSTn: JTAG Test Reset (active low) (optional) I 12 GPIO_10
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  6/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  4.7 Configuration  pins  This  table  shows  the pins  used  as  configuration  inputs  to  set  parameters  following  a  reset.  The definition of these pins changes immediately after reset to their usual function. To set a configuration bit to 0, attach a 100kohm resistor from the pin to ground. No external circuitry is required to set a configuration bit to 1.  Configuration Bits Pin name Configuration Function CON[5] GPIO_16 Boot Options 00 = boot from UART 01 = reserved 10 = reserved   11 = boot from Flash (default) CON[4] GPIO_27   5.  Range  5.1 Absolute  maximum  rating  (Ta=25℃,  Z=50ohm)    Parameter Condition Rating Units Storage Temperature  -40 /+85 ℃ Supply Voltage VDD33 Ta=25℃ 3.6 V Note: Stresses in excess of the absolute ratings may cause permanent damage. Functional operation is not  implied  under  these  conditions.  Exposure  to  absolute  ratings  for  extended  periods  of  time  may adversely affect reliability. No damage assuming only one parameter is set at limit at a time with all other parameters are set within operating condition.   5.2 Operating  conditions  Parameter Min. Max. Units Operating Temperature -30 +85 ℃ Supply Voltage VDD33 3.0 3.6 V * Functionality is guaranteed but specifications require derating at extreme temperatures     6.  RoHS  Compliance  This component can meet with RoHS compliance.
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  7/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  7.  RF  Characteristics  for  IEEE802.11  Conditions: 25℃, VDD33= 3.3V Items Contents Power Levels Tx Power Level Min. Typ. Max. Units 802.11b (11Mbps) - 17 - dBm 802.11g (54Mbps) - 15 - dBm 802.11n (HT20) - 14 - dBm Rx Minimum Input Level Sensitivity Min. Typ. Max. Units 802.11b (11Mbps) - - -76 dBm 802.11g (54Mbps) - - -65 dBm 802.11n (HT20) - - -64 dBm  *Test performed through Murata RF switch connector P/N: MM8030-2610.   8.  Power  Up  Sequence     9.  Electrical  Characteristics  9.1 I/O  Static  Ratings,  3.3V  Symbol Parameter Condition Min. Typ. Max. Units VIL Input low voltage - -0.4 - VDD33*30% V VIH Input high voltage - VDD33*70% - VDD33+0.4 V VHYS Input hysteresis - 150 - - mV IOL@0.4V - - 4 - - mA IOH@VDDIO-0.5V - - 3 - - mA Input capacitance - - - - 5 pF Input leakage 1 - VDD33 is ON, 0<V(PAD)<VDD33 - - 5 μA
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  8/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  9.2 Clock  Specifications  (optional)  9.2.1  RC32K  Specifications  Parameter Condition Min. Typ. Max. Units Frequency before calibration - 18.6 31.8 39.8 kHz Startup time - - 0.9 - ms After-calibration frequency accuracy Use 32.768kHz crystal as reference clock 32.3 32.7 33.1 kHz Temperature tolerance - - 65 - ppm/C Duty cycle - 40 50 60 %  9.2.2  Crystal  Specifications  (32.768kHz)  Parameter Condition Min. Typ. Max. Units Crystal frequency - - 32.768 - kHz Frequency accuracy tolerance - -40 - 40 ppm Startup time -  - 600 ms Duty cycle tolerance - - 50 - % Crystal load capacitance - - 12.5 - pF Crystal shunt capacitance - - - 7 pF Equivalent Series Resistance (ESR) - - - 100 kΩ    10. Reference  Circuit
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  9/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  11. PCB  Antenna  Layout  Guidance  If to use internal PCB antenna, some guides must be followed in order to get best antenna           performance.  (1)  Place the antenna area on the corner or edge of the main board.  (2)  No ground, circuit, component under the antenna area, including the reverse side of PCB.   No ground area is as large as possible.  (3)  Metal component should be at least 10mm away from PCB antenna.  (4)  Plastic case should be at least 10mm away from PCB antenna. If it’s metal case, it’s recommended to use external antenna.
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  10/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  12. Package  This module product is packaged in tray.   1 tray: 45pcs products 1 inner box: 6 trays with products 1 outer box: 4 inner boxes MOQ: 1080pcs                 撪憰敔奜憰敔Inner box Outter box
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  11/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd. NOTICE  1.  Storage Conditions  Please use this product within 6month after receipt. - The product shall be stored without opening the packing under the ambient temperature from 5 to 35 °C and humidity from 20 ~ 70 %RH. (Packing materials, in particular, may be deformed at the temperature over 40 °C) - The product left more than 6months after reception, it needs to be confirmed the solderability before used. - The product shall be stored in non corrosive gas (Cl2, NH3, SO2, Nox, etc.). - Any excess mechanical shock including, but not limited to, sticking the packing materials by sharp  object  and  dropping  the  product,  shall  not  be  applied  in  order  not  to  damage  the packing materials.  This product is applicable to MSL3 (Based on IPC/JEDEC J-STD-020) - After the packing opened, the product shall be stored at <30 °C / <60 %RH and the product shall be used within 168 hours. - When  the  color of  the  indicator  in  the  packing  changed, the  product  shall  be  baked  before soldering.  Baking condition: 125 +5/-0 °C, 24 hours, 1 time  The products shall be baked on the heat-resistant tray because the material is not heat-resistant.  2.  Handling Conditions : Be careful in handling or transporting products because excessive stress or mechanical shock may break products.  Handle with care if products may have cracks or damages on their terminals, the characteristics of products may change. Do not touch products with bear hands that may result in poor solderability.  3.  Standard PCB Design (Land Pattern and Dimensions) : All  the  ground  terminals  should  be  connected  to  the  ground  patterns.  Furthermore,  the  ground pattern should be provided between IN and OUT terminals. Please refer to the specifications for the standard land dimensions.  The  recommended  land  pattern  and  dimensions  is  as  Murata's  standard.  The  characteristics  of products may vary depending on the pattern drawing method, grounding method, land dimensions, land forming method of the NC terminals and the PCB material and thickness. Therefore, be sure to verify  the  characteristics  in  the  actual  set.  When  using  non-standard  lands,  contact  Murata beforehand.  4.  Notice for Chip Placer : When placing products on the PCB, products may be stressed and broken by uneven forces from a worn-out chucking locating claw or a suction nozzle. To prevent products from damages, be sure to follow the specifications for the maintenance of the chip placer being used. For the positioning of products on the PCB, be aware that mechanical chucking may damage products.  5.  Soldering Conditions: The recommendation conditions of soldering are as in the following figure. When  products  are  immersed  in  solvent  after  mounting,  pay  special  attention  to  maintain  the temperature  difference  within  100  °C.    Soldering  must  be  carried  out  by  the  above  mentioned conditions  to  prevent  products  from  damage.  Set  up  the  highest  temperature  of  reflow  within 260 °C .   Contact Murata before use if concerning other soldering conditions.
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  12/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  Reflow soldering standard conditions (Example)                    Please use the reflow within 2 times. Use rosin type flux or weakly active flux with a chlorine content of 0.2 wt % or less.  6.  Cleaning : Since this Product is Moisture Sensitive, any cleaning is not permitted.  7.  Operational Environment Conditions : Products  are  designed  to  work  for  electronic  products  under  normal  environmental  conditions (ambient temperature, humidity and pressure). Therefore, products have no problems to be used under  the  similar  conditions  to  the  above-mentioned.  However,  if  products  are  used  under  the following  circumstances,  it  may  damage  products  and  leakage  of  electricity  and  abnormal temperature may occur. - In an atmosphere containing corrosive gas ( Cl2, NH3, SOx, NOx, etc.). - In an atmosphere containing combustible and volatile gases. - Dusty place. - Direct sunlight place. - Water splashing place. - Humid place where water condenses. - Freezing place.  If there are possibilities for products to be used under the preceding clause, consult with Murata before actual use.  As it might be a cause of degradation or destruction to apply static electricity to products, do not apply static electricity or excessive voltage while assembling and measuring.  8.  Input Power Capacity : Products shall be used in the input power capacity as specified in this specifications. Inform Murata beforehand, in case that the components are used beyond such input power capacity range. This  module  is  not  approved  for  use  when  being  powered  by  AC  power  lines,  either  directly  or indirectly through another device.  9.    Limitation of Applications:  Please contact Murata before using products for the applications listed below which require especially high reliability for the prevention of defects which might directly cause damage to the third party's life, body or property. Within 120 s Pre-heating  time(s) 220 °C  Within 60 s Cooling down Slowly  180 °C  150 °C  240 ~ 250 °C  Within 3 s
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  13/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  - Aircraft equipment. - Aerospace equipment. - Undersea equipment. - Medical equipment. - Transportation equipment (vehicles, trains, ships, etc.). - Traffic signal equipment. - Disaster prevention / crime prevention equipment. - Data-processing equipment - Application of similar complexity and/ or reliability requirements to the applications listed in the above.  10. FCC/IC Statement  FCC statement: This module has been tested and found to comply with the FCC Part15.   These limits are designed to provide reasonable protection against harmful interference in approved installations.   This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.   This  device  complies  with  part  15  of  the  FCC  Rules.  Operation  is  subject  to  the  following  two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.  Modifications or changes to this equipment not expressly approved by Murata Manufacturing Co., Ltd. may void the user’s authority to operate this equipment. The  modular  transmitter  must  be  equipped  with  either  a  permanently  affixed  label  or  must  be capable of electronically displaying its FCC identification number  (A) If using a permanently affixed label, the modular transmitter must be labeled with its own FCC identification  number,  and,  if  the  FCC  identification  number  is  not  visible  when  the  module  is installed inside another  device,  then  the  outside  of  the  device  into  which  the module  is  installed must also display a label referring to the enclosed module. This exterior label can use wording such as  the  following:  “Contains  Transmitter  Module  FCC  ID:  VPYCMABR”  or  “Contains  FCC  ID: VPYCMABR.” (B)  If  the  modular  transmitter  uses  an  electronic  display  of  the  FCC  identification  number,  the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into  which  the  module  is  installed  must  display  a  label  referring  to  the  enclosed  module.  This exterior label can use wording such as the following: “Contains FCC certified transmitter module(s).”  To  satisfy  FCC  RF  Exposure  requirements  for  mobile  and  base  station  transmission  devices,  a separation distance of 20 cm or more should be maintained between the antenna of this device and persons  during  operation.  To  ensure  compliance,  operation  at  closer  than  this  distance  is  not recommended.  The  antenna(s)  used  for  this  transmitter  must  not  be  co-located  or  operating  in conjunction with any other antenna or transmitter.  IC statement: Label of the end product: The  final  end  product  must  be  labeled  in  a  visible  area  with  the  following  "Contains  transmitter module IC: 772C-CMABR "  This Class B digital apparatus complies with Canadian ICES-003. Cetappareilnumérique de la classe B estconforme à la norme NMB-003 du Canada.  This  device  complies  with  RSS-247  of  the  Industry  Canada  Rules.  Operation  is  subject  to  the following two conditions: (1)  This  device may  not cause harmful interference, and  (2)  this  device
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  14/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd. must accept any interference received, including interference that may cause undesired operation.  Ce dispositif est conforme à la norme CNR-247 d'Industrie Canada applicable aux appareils radio exempts de licence. Son fonctionnement est sujet aux deux conditions suivantes: (1) le dispositif ne doit pas produire de brouillage préjudiciable, et (2) ce dispositif doit accepter tout brouillage reçu, y compris un brouillage susceptible de provoquer un fonctionnement indésirable.  Radiation Exposure Statement: This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.  Déclaration d'exposition aux radiations:   Cet  équipement  est  conforme  aux  limites  d'exposition  aux  rayonnements  IC  établies  pour  un environnement non contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20cm de distance entre la source de rayonnement et votre corps.
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  15/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd.  CAUTION PLEASE READ THIS NOTICE BEFORE USING OUR PRODUCTS.  Please make sure that your product has been evaluated and confirmed from the aspect of the fitness for the specifications of our product when our product is mounted to your product. All the items and parameters in this product specification/datasheet/catalog have been prescribed on the premise that our product is used for the purpose, under the condition and in the environment specified in this  specification.  You  are  requested  not  to  use  our  product  deviating  from  the  condition  and  the environment specified in this specification. Please  note  that  the  only  warranty  that  we  provide  regarding  the  products  is  its  conformance  to  the specifications provided herein. Accordingly, we shall not be responsible for any defects in products or equipment  incorporating  such  products,  which  are  caused  under  the  conditions  other  than  those specified in this specification.  WE HEREBY DISCLAIMS ALL OTHER WARRANTIES REGARDING THE PRODUCTS, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE,  THAT  THEY  ARE  DEFECT-FREE,  OR  AGAINST  INFRINGEMENT  OF  INTELLECTUAL PROPERTY RIGHTS.  The product shall not be used in any application listed below which requires especially high reliability for the prevention of such defect as may directly cause damage to the third party's life, body or property. You acknowledge and agree that, if you use our products in such applications, we will not be responsible for any failure to meet such requirements. Furthermore,  YOU  AGREE TO INDEMNIFY AND  DEFEND US AND OUR AFFILIATES AGAINST ALL  CLAIMS,  DAMAGES,  COSTS,  AND  EXPENSES  THAT  MAY  BE  INCURRED,  INCLUDING WITHOUT LIMITATION, ATTORNEY FEES AND COSTS, DUE TO THE USE OF OUR PRODUCTS IN SUCH APPLICATIONS. - Aircraft equipment. - Aerospace equipment   - Undersea equipment. - Power plant control equipment - Medical equipment. - Transportation equipment (vehicles, trains, ships, elevator, etc.). - Traffic signal equipment. - Disaster prevention / crime prevention equipment. - Burning / explosion control equipment - Application of similar complexity and/ or reliability requirements to the applications listed in the above.  We  expressly  prohibit  you  from  analyzing,  breaking,  Reverse-Engineering,  remodeling  altering,  and reproducing our product.    Our product cannot be used for the product which is prohibited from being manufactured, used, and sold by the regulations and laws in the world.  We do not warrant or represent that any license, either express or implied, is granted under any our patent right, copyright, mask work right, or our other intellectual property right relating to any combination, machine, or process in which our products or services are used. Information provided by us regarding third-party products or services does not constitute a license from us to use such products or services or a warranty or  endorsement thereof.  Use of such information may require a license from a  third  party under the patents or other intellectual property of the third party, or a license from us under our patents or other intellectual property.  Please  do  not  use  our  products,  our  technical  information  and  other    data  provided  by  us  for  the purpose of developing of mass-destruction weapons and the purpose of military use. Moreover,  you  must  comply  with  "foreign  exchange  and  foreign  trade  law",  the  "U.S.  export administration regulations", etc.    Please note that we may discontinue the manufacture of our products, due to reasons such as end of supply of materials and/or components from our suppliers.  Customer acknowledges that Murata will, if requested by you, conduct a  failure analysis for defect or alleged  defect  of  Products  only  at  the  level  required  for  consumer  grade  Products,  and  thus  such analysis  may  not  always  be  available  or  be  in  accordance  with  your  request  (for  example,  in  cases where the defect was caused by components in Products supplied to Murata from a third party).  By  signing  on  specification  sheet  or  approval  sheet,  you  acknowledge  that  you  are  the  legal representative for your company and that you understand and accept the validity of the contents herein. When you are not able to return the signed version of specification sheet or approval sheet within 90 days from receiving date of specification sheet or approval sheet, it shall be deemed to be your consent
                                                                    Preliminary Specification Number: SP-ABR-063-D P.  16/14 Preliminary & Confidential < Specification may be changed by Murata without notice > Murata (China) Investment Co., Ltd. on the content of specification sheet or approval sheet.  Customer  acknowledges  that  engineering  samples  may  deviate  from  specifications  and  may  contain defects due to their development status. We reject any liability or product warranty for engineering samples. In particular we disclaim liability for damages caused by   ・the use of the engineering sample other than for evaluation purposes, particularly the installation or integration in the product to be sold by you,   ・deviation or lapse in function of engineering sample,   ・improper use of engineering samples. We disclaim any liability for consequential and incidental damages.  If you can’t agree the above contents, you should inquire our sales.

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