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
USB_3.1_Loss_Budget_Rev_1.0_-_2015-03-02.pdf0 bytesUSB 3.1 Channel Loss Budgets
  • USB 3.1 Channel Loss Budgets
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White Paper
wdm_pm11.pdf0 bytesUnderstanding WDM Power Management v1.1
  • Understanding WDM Power Management v1.1
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White Paper
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
USB31_Embedding_Files_12222016.zip0 bytesUSB 3.1 Reference Channel Models
  • USB 3.1 Reference Channel Models
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White Paper
usbwire.pdf22.37 KBAn Analysis of Wireless Device Implementations on Universal Serial Bus
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White Paper
white-4c.pdf0 bytesUSB - APM Interactions
  • USB - APM Interactions
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White Paper
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
327216.pdf35.51 KBUSB 3.0 Radio Frequency Interference Impact on 2.4 GHz Wireless Devices
  • USB 3.0 Radio Frequency Interference Impact on 2.4 GHz Wireless Devices
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White Paper
hidpar.pdf89.52 KBHID Parser Error Checking
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White Paper
bwpaper2.pdf0 bytesUSB Bandwidth Analysis
  • USB Bandwidth Analysis
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White Paper
COVID Waiver and Release_CW#129.pdf100.39 KBUSB-IF COVID and Infectious Diseases Agreement and Waiver/Release
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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
USB_Superspeed_Equalizer_Design_Guidelines_2011-06-10.pdf0 bytesUSB 3.0 SuperSpeed Equalizer Design Guidelines
  • USB 3.0 SuperSpeed Equalizer Design Guidelines
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White Paper
superspeed_inter-chip_supplement_1_02_19may2014.pdf609.62 KBInter-Chip Supplement to the USB Revision 3.0 Specification, Revision 1.02
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Specification
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
USB-IF Duty of Care_1.pdf92.26 KBUSB-IF Duty of Care
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TechGuide_xHCI_SSUSB_PDK_Ver2.1.pdf0 bytesUSB 3.1 Peripheral Development Kit:
USB 3.1 xHCI-based Certification Platform
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Tools USB 3.2
USB4 Adopters Agreement PDF Submission Update 20230223_0.pdf99.23 KBUSB4 Adopters Agreement
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Legal USB4
MCCI 3411 - Mode Switch.pdf831.74 KBMCCI Mode Switch
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D2T1-2 - USB4 Compliance and Certification.pdf852.91 KBUSB4(TM) Compliance and Certification
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Presentations USB4
USB_3_0_SuperSpeed_CDR_0p5_whitepaper.pdf0 bytesUSB 3.0 CDR Model
  • USB 3.0 CDR Model
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White Paper
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
Generic_Dual_BDF_TechDoc_PCIDevice.pdf268.32 KBIP-Agnostic Dual-BDF Vendor-Specific Capability (PCI/PCIe)
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White Paper
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
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
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Specification
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
USB_Upstream_Facing_Port_Powered_Hub_White_Paper_0.9.pdf272.16 KBUSB Upstream Facing Port Powered Hub White Paper
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White Paper USB 2.0, USB 3.2, USB Type-C
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
USB_3_0_Jitter_Budgeting_0p5_whitepaper.pdf0 bytesUSB 3.0 Jitter Budgeting
  • USB 3.0 Jitter Budgeting
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White Paper
usb_32_202206_0.zip23.84 MBUSB 3.2 Revision 1.1 - June 2022
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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 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
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Specification Base Specification USB4
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.zip821.04 KBUSB Type-C® Locking Connector Specification
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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
UCSI Revision 3.0.zip3.61 MBUSB Type-C® Connector System Software Interface (UCSI) Specification
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Specification Cable and Connector Specification USB Type-C
USB 3.1 Legacy Cable and Connector Revision 1.0.zip7.64 MBUSB 3.1 Legacy Cable and Connector Revision 1.0
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Specification Cable and Connector Specification
USB Type-C 2.3 Release 202310.zip27.79 MBUSB Type-C® Cable and Connector Specification Release 2.3
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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
usbir10.pdf0 bytesIrDA Bridge Device Definition 1.0
  • IrDA Bridge Device Definition 1.0
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Specification Device Class Specification
IPP.zip1.33 MBIPP Protocol 1.0
  • USB Print Interface Class IPP Protocol Specification
  • Adopters Agreement
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Specification Device Class Specification
frmts10.pdf0 bytesAudio Data Formats 1.0
  • Audio Data Formats 1.0
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Specification Device Class Specification
USB I3C Device Class Revision 1.0.pdf1.31 MBUSB I3C Device Class Specification
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Specification Device Class Specification
Mass_Storage_Specification_Overview_v1.4_2-19-2010.pdf0 bytesMass Storage Class Specification Overview 1.4
  • Mass Storage Class Specification Overview 1.4
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Specification Device Class Specification
DWG_Smart-Card_CCID_Rev110.pdf0 bytesSmart Card CCID version 1.1
  • Device Class:  Smart Card CCID Specification for Integrated Circuit(s) Cards Interface Devices
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Specification Device Class Specification
termt10.pdf0 bytesAudio Terminal Types 1.0
  • Audio Terminal Types 1.0
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Specification Device Class Specification
midi10.pdf0 bytesUSB MIDI Devices 1.0
  • USB MIDI Devices 1.0
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Specification Device Class Specification