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LEGAL DISCLAIMER
THESE SPECIFICATIONS ARE PROVIDED “AS IS” AND WITHOUT ANY WARRANTY OF ANY KIND, EXPRESSED OR IMPLIED. WITHOUT LIMITATION, THERE IS NO WARRANTY OF NON-INFRINGEMENT, NO WARRANTY OF MERCHANTABILITY, AND NO WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE. ALL WARRANTIES ARE EXPRESSLY DISCLAIMED. USER ASSUMES THE FULL RISK OF USING THESE SPECIFICATIONS. IN NO EVENT SHALL USB-IF OR THE USB 3.0 PROMOTERS BE LIABLE FOR ANY ACTUAL, DIRECT, INDIRECT, PUNITIVE, OR CONSEQUENTIAL DAMAGES ARISING FROM SUCH USE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Title Category Type Technology Date
USB-IF CW117 Vendor Hosted Test Room Form.pdf138.29 KBUSB-IF CW117 Vendor Hosted Test Suite Form
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hut1_4.pdf4.22 MBHID Usage Tables 1.4
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Device Class Specification
USB 2.0 Adopters_1.pdf106.77 KBList of USB 2.0 Adopters
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USB 2.0
pid1_01.pdf660.71 KBDevice Class Definition for PID 1.0
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Device Class Specification
USB 3.0 Adopters_1.pdf87.87 KBList of USB 3.0 Adopters
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USB 3.2
USBDevDaysSeoul2022ExhibitorApplication.pdf195.44 KBUSB DevDays Seoul Exhibitor Application
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pdcv11.pdf987.04 KBUsage Tables for HID Power Devices 1.1
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Device Class Specification
USB4 Adopters_0.pdf56.08 KBList of USB4 Adopters
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USB4
USBDevDaysSeoul 2022SponsorApplication.pdf197.46 KBUSB DevDays Seoul Sponsor Application
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COVID Waiver and Release_3.pdf142.33 KBUSB-IF COVID and Infectious Diseases Agreement and Waiver/Release - Seoul
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pos1_02.pdf854.4 KBHID Point of Sale Usage Tables 1.02
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USB-IF Integrators List Marketing Name Guidance_January 2023.pdf146.76 KBUSB-IF Integrators List Marketing Name Guidance
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USB4 Compliance Matrix 20200630.pdf109.73 KBUSB4 Compliance Test Matrix
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Test Matrix USB4
USB4 Product Test Matrix - V3.pdf65.56 KBUSB4 Product Test Matrix
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Test Matrix USB4
USB-IF Duty of Care_1.pdf92.26 KBUSB-IF Duty of Care
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MCCI 3411 - Mode Switch.pdf831.74 KBMCCI Mode Switch
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documents_archive0 bytesMicro-USB Cables and Connectors v1.01 Spec and Adopters Agreement
  • Micro-USB Cables and Connectors v1.01 Spec
  • Adopters Agreement
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USB_PD3_CTS_Q4_2023.zip4.75 MBUSB Power Delivery Compliance Test Specification
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Test Specification USB Power Delivery
USB3CV 2.1.13.2 Installer - x64 Release.exe30.33 MBUSB3CV 2.1.13.2 Installer - x64 Release
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USB 2_0 Adopters Agreement - PDF Submission Update 20230216.pdf158.32 KBUSB 2.0 Adopters Agreement
  • USB 2.0 Adopters Agreement
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Legal USB 2.0
USB_OTG_v2.0_Amendment_final_052609.pdf0 bytesUSB 2.0 On-The-Go Specification Supplement Adopters Agreement
  • USB 2.0 On-The-Go Specification Supplement Adopters Agreement
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Legal
USB_Low_Voltage_InterChip_Amendment_final_20060320.pdf0 bytesLow Voltage Inter-Chip Adopters Agreement Amendment
  • Low Voltage Inter-Chip Adopters Agreement Amendment
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Legal
High_Speed_Inter-Chip_Amendment_20230224.pdf114.04 KBHigh-Speed Inter-Chip Adopters Agreement Amendment
  • High-Speed Inter-Chip Adopters Agreement Amendment
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Legal
USB 3_0 Adopters Agreement PDF Submission Update 20230219_0.pdf188.74 KBUSB 3.0 Adopters Agreement
  • USB 3.0 Adopters Agreement
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Legal USB 3.2, USB Type-C
COVID Waiver and Release_CW#129.pdf100.39 KBUSB-IF COVID and Infectious Diseases Agreement and Waiver/Release
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Legal
USB4 Adopters Agreement PDF Submission Update 20230223.pdf99.23 KBUSB4 Adopters Agreement
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Legal USB4
D2T2-3 - USB Type-C Active Cables.pdf1.1 MBUSB Type-C(R) Active Cable
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Presentations USB Type-C
D1T1-1 - Welcome Keynote Taipei.pdf927.53 KBUSB DevDays 2019 - Welcome Keynote
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Presentations USB 3.2, USB4
D1T1-2 - USB Type-C System Overview.pdf838.01 KBUSB Type-C(R) System Overview
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Presentations USB Type-C
D1T1-3 - USB4 System Overview.pdf738.81 KBUSB4(TM) System Overview
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Presentations USB4
D1T1-4 - USB4 Electrical Layer.pdf705.86 KBUSB4(TM) Electricals Layer
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Presentations USB4
D1T1-5 - USB4 Logical Layer - Retimer - Transport.pdf1.42 MBUSB4(TM) Logical Layer, Re-timer and Transport Layer
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Presentations USB4
D1T2-1 - USB Branding Session.pdf1.22 MBUSB Branding Session
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Presentations USB 3.2, USB Power Delivery, USB Type-C
USB 80G PHY background.pdf1.33 MBUSB 80G PHY Layer Analysis
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Presentations USB4
D1T2-2 - USB4 on Windows.pdf425.97 KBUSB4(TM) on Windows
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Presentations USB4
D1T2-3a - CTVPDs and Making Your Own USB-C Thingamajig.pdf1.1 MBCTVPDs and Making Your Own USB-C(R) Thingamajig
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Presentations USB Type-C
D1T2-3b - USB Type-C Linux Connector Class.pdf1.3 MBDemystifying USB-C(R) using Linux's USB Type-C(R) Connector Class
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Presentations USB Type-C
D2T1-1 - USB4 Configuration Layer - Protocol Tunneling.pdf1016.06 KBUSB4(TM) Configuration Layer, USB3 Tunneling, DP Tunneling, and PCIe Tunneling
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Presentations USB 3.2, USB4
D2T1-2 - USB4 Compliance and Certification.pdf852.91 KBUSB4(TM) Compliance and Certification
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Presentations USB4
D2T1-3 - USB4 Time Sync - Host Interface - CM - TBT3.pdf855.31 KBUSB4(TM) Time Synchronization, Host Interface, Connection Manager and Thunderbolt(TM) 3 Compatibility
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Presentations USB4
D2T1-4 - VESA DP Alt Mode over USB Type-C.pdf848.55 KBVESA - DisplayPort(TM) Alternate Mode on USB-C(R)
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Presentations USB Type-C
D2T2-1 - USB Power Delivery.pdf1.13 MBUSB Power Delivery
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Presentations USB Power Delivery, USB4
D2T2-2 - USB4 Cable and System.pdf1.64 MBUSB4(TM) Cable Electricals and System Design
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Presentations USB Type-C, USB4
USB Audio v4.0.zip2.71 MBUSB Audio Devices Release 4.0 and Adopters Agreement
  • USB Device Class Definition for Audio Devices Release 4.0
  • USB Audio v4.0 Adopters Agreement
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Specification Device Class Specification
usb_20_20230224.zip13.28 MBUSB 2.0 Specification
  1. The Original USB 2.0 specification released on April 27, 2000
  2. USB 2.0 Adopters Agreement
  3. Errata to the USB 2.0 specification as of December 7, 2000
  4. Mini-B connector Engineering Change Notice to the USB 2.0 specification
  5. Pull-up/pull-down Resistors Engineering Change Notice to the USB 2.0 specification
  6. Errata to the USB 2.0 specification as of May 28, 2002
  7. Interface Association Descriptor Engineering Change Notice to the USB 2.0 specification
  8. Rounded Chamfer Engineering Change Notice to the USB 2.0 specification as of October 8, 2003
  9. Unicode Engineering Change Notice to the USB 2.0 specification as of February 21, 2005
  10. Inter-Chip USB Supplement Revision 1.0 as of March 13, 2006
  11. Micro-USB Cables and Connectors Specification Revision 1.01 as of April 4, 2007 and corresponding Adopters Agreement
  12. USB 2.0 Link Power Management Addendum Engineering Change Notice to the USB 2.0 specification as of July 16, 2007
  13. High-Speed Inter-Chip USB Electrical Specification Revision 1.0 as of September 23, 2007
  14. Suspend Current Limit Changes Engineering Change Notice to the USB 2.0 Specification as of April 9, 2008
  15. 5V Short Circuit Withstand Requirement Change Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  16. Device Capacitance Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  17. Material Change Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  18. USB 2.0 Phase-locked SOFs Engineering Change Notice to the USB 2.0 Specification as of December 22, 2008
  19. Micro-USB Micro-B ID Pin Resistance and Tolerance stack-up between D+ and D- Engineering Change Notice to the MicroUSB Specification to the USB 2.0 Specification, Revision 1.01 as of December 22, 2008
  20. Quad Type Cable Additional for Micro USB ECN as of December 29, 2009
  21. Clarification on the Chamfer on USB 2.0 Micro Connectors ECN as of March 23, 2010
  22. Maximum Unmating Force Value Definition to USB 2.0 Micro Connectors ECN as of March 23, 2010
  23. "On-The-Go Supplement to the USB 2.0 Specification" Adopters Agreement
  24. USB TEST_MODE Selector Values ECN as of July 26, 2010
  25. Errata for USB 2.0 ECN:  Link Power Management (LPM) - 7/2007 as of October 11, 2011
  26. On-The-Go and Embedded Host Supplement to the USB Revision 2.0 Specification, Revision 2.0 version 1.1a as of July 27, 2012
  27. HSIC ECN as of May 21, 2012
  28. USB 2.0 Connect Timing ECN Update as of April 4, 2013
  29. HSIC Disconnect Supplement ECN as of September 18, 2013
  30. USB 2.0 VBUS Max Limit ECN as of August 11, 2014
  31. USB OTG EH ECN Maximum Vbus Voltage dated November 26, 2014
  32. USB 2.0 DC Resistance as of October 8, 2021
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Specification Base Specification USB 2.0
CDC1.2_WMC1.1_012011.zip0 bytesClass definitions for Communication Devices 1.2
  • CDC Subclass for Asynchronous Transfer Mode Devices
  • CDC Subclass for Communications Devices
  • CDC Subclass for Ethernet Control Model Devices
  • CDC Subclass for ISDN Devices
  • CDC Subclass for PSTN Devices
  • CDC Subclass for Wireless Mobile Communication Devices 1.1
  • WMC110-Errata1.pdf and CDC v1.2 WMC v1.1 Errata 1
  • Adopters Agreement
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Specification Device Class Specification
USB_2.0_Test_Matrix.pdf58.93 KBUSB 2.0 Test Matrix
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Specification Test Matrix USB 2.0
USB I3C Device Class Revision 1.0.pdf1.31 MBUSB I3C Device Class Specification
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Specification Device Class Specification
usbmassbulk_10.pdf0 bytesMass Storage Bulk Only 1.0
  • Mass Storage Bulk Only 1.0
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Specification Device Class Specification
USB Type C Functional Test Specification 2023 02 23.pdf1.54 MBUSB Type-C Functional Test Specification
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Specification Test Specification USB Type-C