Document Library

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
usblat3.pdf0 bytesUSB Latency Requirements and the Effect of Video Adapter PCI Retry Condition on Maintaining USB Streaming Pipelines
  • USB Latency Requirements and the Effect of Video Adapter PCI Retry Condition on Maintaining USB Streaming Pipelines
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White Paper
COVID Waiver and Release_CW#129.pdf100.39 KBUSB-IF COVID and Infectious Diseases Agreement and Waiver/Release
Included in USB 3.1 zip file0 bytesUSB 3.1 Device Class Specification for Debug Devices Specification
TechGuide_xHCI_SSUSB_PDK_Ver2.1.pdf0 bytesUSB 3.1 Peripheral Development Kit:
USB 3.1 xHCI-based Certification Platform
Tools USB 3.2
USB4Adopters.pdf511.6 KBUSB4 Adopters Agreement Legal USB4
D2T1-2 - USB4 Compliance and Certification.pdf852.91 KBUSB4(TM) Compliance and Certification 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 Presentations USB4
USB_3_0_e-Compliance_methodology_0p5_whitepaper.pdf0 bytesUSB 3.0 Electrical Compliance Methodology
  • USB 3.0 Electrical Compliance Methodology
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White Paper
usb_otg_and_eh_3-0_release_1_1_10may2012.pdf591.63 KBOn-The-Go and Embedded Host Supplement to the USB Revision 3.0 Specification, Revision 1.1 Specification
iadclasscode_r10.pdf0 bytesUSB Interface Association Descriptor Device Class Code and Use Model
  • USB Interface Association Descriptor Device Class Code and Use Model
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White Paper
USB-IF Duty of Care_1.pdf92.26 KBUSB-IF Duty of Care
MCCI 3411 - Mode Switch.pdf831.74 KBMCCI Mode Switch
D2T1-4 - VESA DP Alt Mode over USB Type-C.pdf848.55 KBVESA - DisplayPort(TM) Alternate Mode on USB-C(R) Presentations USB Type-C
USB_3_0_Jitter_Budgeting_0p5_whitepaper.pdf0 bytesUSB 3.0 Jitter Budgeting
  • USB 3.0 Jitter Budgeting
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White Paper
Isolation_Electromagnetic_Compatibility_1_0.pdf0 bytesElectrical Isolation and Improved Electromagnetic Compatibility for Personal Healthcare Devices using USB
  • Electrical Isolation and Improved Electromagnetic Compatibility for Personal Healthcare Devices using USB
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White Paper
Generic_Dual_BDF_TechDoc_PCIDevice.pdf268.32 KBIP-Agnostic Dual-BDF Vendor-Specific Capability (PCI/PCIe) White Paper
D2T2-1 - USB Power Delivery.pdf1.13 MBUSB Power Delivery Presentations USB Power Delivery, USB4
USB_SuperSpeed_CabCon_Whitepaper.pdf0 bytesManaging Connector and Cable Assembly Performance for USB SuperSpeed
  • Managing Connector and Cable Assembly Performance for USB SuperSpeed
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White Paper
WUSB_host_connection_context_v1.0.pdf0 bytesA Standard for Host-Side Certified Wireless USB Connection Context Storage on Windows Operating Systems
  • A Standard for Host-Side Certified Wireless USB Connection Context Storage on Windows Operating Systems
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White Paper
USB_Upstream_Facing_Port_Powered_Hub_White_Paper_0.9.pdf272.16 KBUSB Upstream Facing Port Powered Hub White Paper White Paper USB 2.0, USB 3.2, USB Type-C
USB_TCPCI_R2_V1p3_30122_CLEAN.pdf4.02 MBUSB Type-C® Port Controller Interface Specification Specification USB Type-C
D2T2-2 - USB4 Cable and System.pdf1.64 MBUSB4(TM) Cable Electricals and System Design Presentations USB Type-C, USB4
power_delivery_motherboards.pdf0 bytesPower Delivery Design Issues for Hi-Speed USB on Motherboards
  • Power Delivery Design Issues for Hi-Speed USB on Motherboards
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White Paper USB Power Delivery
USB Authentication Specification Rev 1.0 with ECN and Errata through January 7, 2019.zip2.69 MBUSB Authentication Specification Rev. 1.0 with ECN and Errata through January 7, 2019 Specification
USB_PS_Interface_V1_00_20140414.pdf0 bytesUSB PS Interface White Paper
  • USB PS Interface White Paper
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White Paper
USB3CV 2.1.13.2 Installer - x64 Release.exe30.33 MBUSB3CV 2.1.13.2 Installer - x64 Release
pd_fw_update_specification_rev_1_0_20160915b.pdf1.9 MBUSB Power Delivery Firmware Update Specification Specification USB Power Delivery
D2T2-3 - USB Type-C Active Cables.pdf1.1 MBUSB Type-C(R) Active Cable Presentations USB Type-C
usbwire.pdf0 bytesAn Analysis of Wireless Device Implementations on USB
  • An Analysis of Wireless Device Implementations on USB
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White Paper
usb_20g.pdf0 bytesAn Introduction to Hi-Speed USB
  • An Introduction to Hi-Speed USB
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White Paper
USB-IF CW117 Vendor Hosted Test Room Form.pdf138.29 KBUSB-IF CW117 Vendor Hosted Test Suite Form
USB PD R3.2 V1.0_1.zip68.63 MBUSB Power Delivery

1.  USB Power Delivery Specification Revision 2.0 Version 1.3 and corresponding Adopters Agreement

2.  USB Power Delivery Specification Revision 3.1 Version 1.8, ECNs and corresponding Adopters Agreement

3.  USB Power Delivery Specification Revision 3.2 Version 1.0 and corresponding Adopters Agreement

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Specification Base Specification USB Power Delivery
USB4 Specification June 2023.zip61.99 MBUSB4® Specification v2.0 Specification Base Specification USB4
usb_32_202206_0.zip23.84 MBUSB 3.2 Revision 1.1 - June 2022 Specification Base Specification USB 3.2
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
USB 3.1 Legacy Cable and Connector Revision 1.0.zip7.64 MBUSB 3.1 Legacy Cable and Connector Revision 1.0 Specification Cable and Connector Specification
UCSI Revision 3.0.zip3.61 MBUSB Type-C® Connector System Software Interface (UCSI) Specification Specification Cable and Connector Specification USB Type-C
USB Type-C 2.3 Release 202310.zip27.79 MBUSB Type-C® Cable and Connector Specification Release 2.3 Specification Cable and Connector Specification USB Type-C
CabConn20.pdf0 bytesCables and Connectors Class 2.0
  • USB Cables and Connectors Class Document
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Specification Cable and Connector Specification
CCWG_A_Plug_Form_Factor_Guideline_Revision_1.0_.pdf0 bytesSeries 'A' Plug form factor Guideline 1.0
  • USB 'A' Plug Form Factor Rev. 1.0
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Specification Cable and Connector Specification
MezzanineConnectorFinal.pdf0 bytesUSB Connector for Mezzanine Applications Guidelines Rev. 1.0
  • USB Connector for Mezzanine Applications Guidelines Rev. 1.0
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Specification Cable and Connector Specification
usb_type-c_locking_connector_specification_rev_1_0_20160309_0.pdf660.52 KBUSB Type-C® Locking Connector Specification Specification Cable and Connector Specification USB 2.0, USB 3.2, USB Type-C
USB_Thin_Card.zip0 bytesUSB Thin Card v1.0 and Adopters Agreement
  • USB This Card Specification Rev 1.0
  • Adopters Agreement
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Specification Cable and Connector Specification
USBTMC_1_006a.zip0 bytesTest & Measurement Class Specification
  • USB Test and Measurement Class Specification (USBTMC)
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Specification Device Class Specification
hid1_11.pdf1007.31 KBDevice Class Definition for HID 1.11 Specification Device Class Specification
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
CDC1.2_WMC1.1_052013.zip0 bytesErrata updates for CDC v1.2 and WMC v1.1 as of DEC-2012
  • CDC Subclass for Communications Devices
  • CDC Subclass for Wireless Mobile Communications Devices 1.1
  • CDC v1.2 WMC v1.1 Errata 1 Adopters
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Specification Device Class Specification
usb_msc_cbi_1.1.pdf0 bytesMass Storage Control/Bulk/Interrupt (CBI) Specification 1.1
  • Mass Storage Control/Bulk/Interrupt (CBI) Specification 1.1
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Specification Device Class Specification
USB_Video_Class_1_5.zip0 bytesVideo Class v1.5 document set
  • UVC v1.5 Class specification
  • USB Video Example v1.5
  • USB Video FAQ v1.5
  • USB Video Payload DV v1.5
  • USB Video Payload Frame Based v1.5
  • USB Video Payload H264 v1.5
  • USB Video Payload MPEG-2 TS v1.5
  • USB Video Payload Uncompressed v1.5
  • USB Video Payload VP8 v1.5
  • USB Video Payload Stream Based v1.5
  • USB Video Transport v1.5
  • USB Video Payload_MJPEG v1.5
  • USB Video Temporal Encoder Examples v1.5
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Specification Device Class Specification
hut1_5.pdf4.25 MBHID Usage Tables 1.5 Device Class Specification