October 10, 20001. 2 USB 2.0 Cable and Connector Testing George G. Olear II Contech Research, Inc. Sheldon Singleton National Technical Systems Andrew

October 10, 2000 1

October 10, 2000 2

USB 2.0 Cable and Connector

Testing

USB 2.0 Cable and Connector

TestingGeorge G. Olear IIGeorge G. Olear II

Contech Research, Inc.Contech Research, Inc.

Sheldon SingletonSheldon SingletonNational Technical SystemsNational Technical Systems

Andrew Y. LinAndrew Y. LinElectronics Testing Center, TaiwanElectronics Testing Center, Taiwan

October 10, 2000 3

AgendaAgenda

Cable and connector testing for logoCable and connector testing for logo Mini-B connector testing for design validationMini-B connector testing for design validation

October 10, 2000 4

Cable and Connector TestingCable and Connector Testing

Cable and Connector Testing - Why ?Cable and Connector Testing - Why ?– Communications LossCommunications Loss– Interop ProblemsInterop Problems

Orlando 1999 - CCDWGOrlando 1999 - CCDWG– Test Laboratory SelectionTest Laboratory Selection– Specification ReviewSpecification Review– Product DelistingProduct Delisting– Group 6 Testing as a StarterGroup 6 Testing as a Starter– Provisional ListingProvisional Listing

October 10, 2000 5


Benefits of Compliance TestingBenefits of Compliance Testing– The use of listed cables and connectors is required for The use of listed cables and connectors is required for

devices to get on the Integrators Listdevices to get on the Integrators List– You must be listed in order to use the new logo which You must be listed in order to use the new logo which

indicates that the cable is high speed capable.indicates that the cable is high speed capable.

October 10, 2000 6


Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Group 7 Group 88 samples 8 samples 8 samples 5 samples 5 samples 5 samples 3 samples 8 samples

| | | | | | | |Examination Examination Examination Examination Examination Capacitive

LoadCritical Examination

| | | | | | Dimensions |Mate Forces LLCR LLCR Capacitance Solderability Cable

ImpedanceCable Flex

| | | | | | |LLCR

|Durability

|Durability

|IR|

Examination PropagationDelay

DWV|

| | | | | |Durability

|Temp Life

|MFG

|DWV

|PropagationDelay Skew

IR

| | | | |Vibration LLCR LLCR Thermal Shock Attenuation

| | | | |Mech. Shock Examination MFG Humidity Shielding

| | | EffectivenessLLCR LLCR IR

| | |Unmate Forces Examination DWV

| |Cable Pullout Examination

October 10, 2000 7


Successes and FailuresSuccesses and Failures– Vibration and ShockVibration and Shock– AttenuationAttenuation– Cable ImpedanceCable Impedance– Shielding EffectivenessShielding Effectiveness

October 10, 2000 8


Integrators ListIntegrators List– Listed on Integrators ListListed on Integrators List

Advanced Connectek USA AMP/Tycoelectronics Cheng Uei Precision Industry Co.,

Ltd Copartner Wire and Cable Mfg. Corp. FCI Electronics I/O Systems Inc. formerly Elite

Electronics, Inc. Lumberg, Inc. Total Technologies, Ltd JSTJST

– Presently in the LabPresently in the Lab MolexMolex Fujikura AmericaFujikura America NorthstarNorthstar LongwellLongwell FoxconFoxcon ACONACON I/OI/O InterconnectInterconnect

October 10, 2000 9

Mini-B connector design validationMini-B connector design validation

The Mini- B Cable and Connector minimum The Mini- B Cable and Connector minimum qualification test program.qualification test program.

The program consisted of 4 manufacturers who The program consisted of 4 manufacturers who agreed agreed

1st - The Design1st - The Design 2nd - Submission of their first products for independent 2nd - Submission of their first products for independent

testing .testing .

And the players are: And the players are: – ACON Marunix Mitsumi MolexACON Marunix Mitsumi Molex

October 10, 2000 10

Minimum Qualification Testing ProgramMinimum Qualification Testing Program– Group 1 Testing Group 1 Testing

DurabilityDurability Vibration and ShockVibration and Shock

– Group 3 TestingGroup 3 Testing Mixed Flowing GasMixed Flowing Gas

– Group 6 TestingGroup 6 Testing AttenuationAttenuation ImpedanceImpedance Propagation Delay/ Delay SkewPropagation Delay/ Delay Skew Shielding EffectivenessShielding Effectiveness

Mini-B connector design validationMini-B connector design validation

October 10, 2000 11

Group 1 testsGroup 1 tests

DurabilityDurability– Mating/Unmating ForcesMating/Unmating Forces– Contact Resistance (LLCR)Contact Resistance (LLCR)

Vibration and Mechanical ShockVibration and Mechanical Shock– Contact ChatterContact Chatter– Contact Resistance (LLCR)Contact Resistance (LLCR)

Cable PulloutCable Pullout– ContinuityContinuity

October 10, 2000 12

Cable and Connector TestingGroup 1 Test ResultsCable and Connector TestingGroup 1 Test Results

Red Socket Violet Socket Posi ID Initial Final Posi ID Initial Final

MAX 21.38 48.34 MAX 15.96 49.94 MIN 6.81 25.84 MIN 2.06 8.35

AVG 11.79 31.77 AVG 6.44 27.33 STD 3.07 4.19 STD 3.43 9.69

Blue Socket Green Socket

MAX 37.64 44.74 MAX 33.82 65.88 MIN 14.93 32.07 MIN 2.20 22.96

AVG 20.86 39.64 AVG 9.56 35.33 STD 4.31 2.74 STD 6.32 10.81

Low Level Circuit Resistance (milliohms)Low Level Circuit Resistance (milliohms)

October 10, 2000 13


Sample ID REDSocket

VIOLETSocket

BLUESocket

GREENSocket

1-1 3.34 - 12.45 4.671-2 13.34 6.67 26.24 1.561-3 4.45 18.46 15.35 8.901-4 6.67 - 2.90 10.011-5 2.89 11.12 8.67 13.571-6 9.79 - 6.00 4.451-7 12.9 13.34 1.33 9.341-8 8.01 - 4.00 4.45

Sample ID REDSocket

VIOLETSocket

BLUESocket

GREENSocket

1-1 11.4 11.6 8.0 9.51-2 8.4 12.7 9.5 10.11-3 10.1 9.0 9.5 8.31-4 11.3 9.0 13.6 12.11-5 11.7 17.8 8.7 11.81-6 15.5 15.3 10.3 15.01-7 9.8 11.2 13.4 10.21-8 14.7 17.0 11.1 12.0

Unmating Forces after durability testingUnmating Forces after durability testing

October 10, 2000 14


Mixed Flowing GasMixed Flowing Gas– Plating Integrity - ContactsPlating Integrity - Contacts

Contact Resistance Contact Resistance – Plating Integrity - ShellPlating Integrity - Shell

Contact Resistance of the ShellContact Resistance of the Shell– Contact lifeContact life

2 days exposure = 1 year field life2 days exposure = 1 year field life

October 10, 2000 15


Red Initial 5 Days 10 Days Violet Initial 5 Days 10 Days

MAX 21.07 34.36 34.36 MAX 25.50 20.80 20.80 MIN 6.63 5.27 5.27 MIN 4.94 1.92 1.92 AVG 12.94 15.32 14.97 AVG 9.33 8.81 8.81 STD 4.10 7.29 7.48 STD 4.48 3.72 3.72

Blue Initial 5 Days 10 Days Green Initial 5 Days 10 Days

MAX 41.31 44.53 73.60 MAX 15.44 60.56 24.70 MIN 16.02 11.85 15.93 MIN 2.18 2.00 2.13 AVG 22.48 22.30 24.93 AVG 7.54 10.34 8.10 STD 5.10 7.38 11.83 STD 3.29 12.87 4.81

Low Level Circuit Resistance during MFG testLow Level Circuit Resistance during MFG test

October 10, 2000 16


ImpedanceImpedance Mechanisms that effect Impedance are:Mechanisms that effect Impedance are:

Incorrect cable impedance, Improper cable/connector terminations, Defective connector contact Incorrect cable impedance, Improper cable/connector terminations, Defective connector contact plating, plating, Incorrect connector interface dimensionsIncorrect connector interface dimensions

AttenuationAttenuationMechanisms that affect attenuation are:Mechanisms that affect attenuation are:Cable Construction, Cable Length, Cable Capacitance, Inductance, Skin Effect and Frequency RangeCable Construction, Cable Length, Cable Capacitance, Inductance, Skin Effect and Frequency Range

Propagation DelayPropagation Delay Mechanisms that affect Propagation Delay are:Mechanisms that affect Propagation Delay are:

Cable Construction, Cable Length, Impedance and Termination, andCable Construction, Cable Length, Impedance and Termination, and

Measurement System Rise TimeMeasurement System Rise Time

October 10, 2000 17


Propagation Delay Skew TestingPropagation Delay Skew Testing– Mechanisms that effect Propagation Delay Skew Testing Mechanisms that effect Propagation Delay Skew Testing

are:are:– Cable Construction, Cable Length, Impedance and Cable Construction, Cable Length, Impedance and

Termination, Measurement System Rise Time, and Termination, Measurement System Rise Time, and Connector/Cable Assembly TechniquesConnector/Cable Assembly Techniques

Shielding EffectivenessShielding Effectiveness– Mechanisms that affect attenuation are:Mechanisms that affect attenuation are:– Cable Braid Construction, Connector/Cable Assembly Cable Braid Construction, Connector/Cable Assembly

ConstructionConstruction

October 10, 2000 18

Cable and Connector Testing Group 6 Test ResultsCable and Connector Testing Group 6 Test Results

ImpedanceImpedance

1 Meter Cable Assembly1 Meter Cable Assembly Requirement (76.5 to 103.5)Requirement (76.5 to 103.5)

Sample IDSample ID A GroupA Group B GroupB Group C GroupC Group D GroupD Group

001001 88.0788.07 84.9584.95 88.1788.17 91.9091.90

002002 86.9086.90 85.6885.68 86.6086.60 93.1693.16

003003 86.0886.08 85.2485.24 85.9085.90 90.7690.76

004004 86.0286.02 85.7385.73 89.3989.39 93.8593.85

005005 85.3485.34 85.8485.84 88.0488.04 92.2192.21

006006 86.0386.03 84.7684.76 88.7188.71 90.5390.53

AverageAverage 86.4186.41 85.3785.37 87.8087.80 92.0792.07

October 10, 2000 19

Cable and Connector Testing Group 6 Test ResultsCable and Connector Testing Group 6 Test Results

AttenuationAttenuation– 1 Meter Cable Assembly1 Meter Cable Assembly

A A Group Group B B Group Group C C Group Group D D Group Group

Freq./Req. (MHz/dB)Freq./Req. (MHz/dB) AverageAverage AverageAverage AverageAverage AverageAverage

0.064/.080.064/.08 .0183.0183 .0212.0212 .0072.0072 .0026.0026

.256/.11.256/.11 .0210.0210 .2370.2370 .0003.0003 .0034.0034

.512/.13.512/.13 .0249.0249 .0272.0272 .0139.0139 .0104.0104

.772/.15.772/.15 .0283.0283 .0307.0307 .0356.0356 .0186.0186

1/.21/.2 .0315.0315 .0338.0338 .0233.0233 .0251.0251

4/.394/.39 .0789.0789 .0812.0812 .0682.0682 .0873.0873

8/.578/.57 .0815.0815 .1059.1059 .0853.0853 .1060.1060

12/.6712/.67 .1236.1236 .1376.1376 .1098.1098 .1295.1295

24/.9524/.95 .2138.2138 .2395.2395 .2047.2047 .1929.1929

48/1.3548/1.35 .3915.3915 .4290.4290 .3900.3900 .3278.3278

96/1.996/1.9 .3100.3100 .3640.3640 .3386.3386 .3488.3488

200/3.2200/3.2 .4709.4709 .5259.5259 .4909.4909 .4952.4952

400/5.8400/5.8 .9934.9934 1.00051.0005 .9981.9981 .8974.8974

October 10, 2000 20


Propagation DelayPropagation Delay– 1 Meter Cable Assembly1 Meter Cable Assembly Requirement (5.2 ns max)Requirement (5.2 ns max)

Sample IDSample ID

A A GroupGroup BB Group Group CC Group Group DD Group Group

001001 5.025.02 5.125.12 4.924.92 4.924.92

002002 5.025.02 5.025.02 4.924.92 4.924.92

003003 5.325.32 5.025.02 4.824.82 4.924.92

004004 5.025.02 5.125.12 4.924.92 4.824.82

005005 5.125.12 5.125.12 4.924.92 4.924.92

006006 5.025.02 5.025.02 4.924.92 4.924.92

AverageAverage 5.095.09 5.075.07 4.904.90 4.904.90

October 10, 2000 21


Propagation Delay SkewPropagation Delay Skew– 1 Meter Cable Assembly1 Meter Cable Assembly Requirement (100 ps max)Requirement (100 ps max)

Sample IDSample ID

Group AGroup A Group BGroup B Group CGroup C Group DGroup D

001001 8.838.83 33.9133.91 25.2525.25 49.6449.64

002002 25.4725.47 38.738.7 1.61.6 35.2735.27

003003 31.7231.72 41.8341.83 2.32.3 7.837.83

004004 41.0941.09 11.3911.39 3.13.1 40.7640.76

005005 6.066.06 32.4732.47 19.4219.42 86.7686.76

006006 34.1234.12 24.4324.43 0.210.21 0.650.65

AverageAverage 24.5524.55 30.4630.46 8.658.65 36.8136.81

October 10, 2000 22

USB Cable and Connector Shielding Effectiveness TestingUSB Cable and Connector Shielding Effectiveness Testing

The purpose of this test is to determine how The purpose of this test is to determine how effective the connector/cable assembly shielding effective the connector/cable assembly shielding is in preventing an RF signal from leaking out.is in preventing an RF signal from leaking out.

Mechanisms that affect ShieldingMechanisms that affect ShieldingEffectiveness are:Effectiveness are:

– Cable Braid ConstructionCable Braid Construction– Connector/Cable Assembly ConstructionConnector/Cable Assembly Construction

October 10, 2000 23


Shielding EffectivenessShielding Effectiveness

October 10, 2000 24


Where Are We Going From Here?Where Are We Going From Here?– Cable and Connector CertificationCable and Connector Certification– Completion of the Mini-B TestingCompletion of the Mini-B Testing– Mini-B Connector ECNMini-B Connector ECN– Cable and Connector Class Document 1.0Cable and Connector Class Document 1.0

October 10, 2000 25

Why USB?Why USB?

Ubiquitous…NowUbiquitous…Now CheapCheap ReliableReliable Good performanceGood performance Gates are cheap, easy to add light host controllerGates are cheap, easy to add light host controller Wireless may play stronger role in futureWireless may play stronger role in future

Documents

October 10, 20001. 2 USB 2.0 Cable and Connector Testing George G. Olear II Contech Research, Inc. Sheldon Singleton National Technical Systems Andrew