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 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
Read More
White Paper
USB3CV 2.1.13.2 Installer - x64 Release.exe30.33 MBUSB3CV 2.1.13.2 Installer - x64 Release
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
usbwire.pdf0 bytesAn Analysis of Wireless Device Implementations on USB
  • An Analysis of Wireless Device Implementations on USB
Read More
White Paper
usb_20g.pdf0 bytesAn Introduction to Hi-Speed USB
  • An Introduction to Hi-Speed USB
Read More
White Paper
USB-IF CW117 Vendor Hosted Test Room Form.pdf138.29 KBUSB-IF CW117 Vendor Hosted Test Suite Form
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
crcdes.pdf0 bytesCyclic Redundancy Checks in USB
  • Cyclic Redundancy Checks in USB
Read More
White Paper
USB 2_0 Adopters Agreement - PDF Submission Update 20230216.pdf158.32 KBUSB 2.0 Adopters Agreement
  • USB 2.0 Adopters Agreement
Read More
Legal USB 2.0
D1T1-1 - Welcome Keynote Taipei.pdf927.53 KBUSB DevDays 2019 - Welcome Keynote Presentations USB 3.2, USB4
USB-IF CW134 Vendor Hosted Test Room Form.pdf142.69 KBUSB-IF CW134 Vendor Hosted Test Suite Form
alsbuf.pdf0 bytesDesign Guide for a low speed buffer for USB
  • Design Guide for a low speed buffer for USB
Read More
White Paper
eUSB2.zip2.02 MBEmbedded USB2 (eUSB2) Physical Layer Supplement to the USB Revision 2.0 Specification, Rev. 1.2

Embedded USB2 (eUSB2) Physical Layer Supplement to the USB Revision 2.0 Specification, Rev. 1.2 and corresponding ECN

Read More
Specification 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
Read More
Legal
D1T1-2 - USB Type-C System Overview.pdf838.01 KBUSB Type-C(R) System Overview Presentations USB Type-C
XHSETT 2.1.0.0 Installer.exe29.19 MBXHSETT 2.1.0.0
USB2.0Adopters.pdf567.67 KBList of USB 2.0 Adopters Legal USB 2.0
siewp.pdf0 bytesDesigning a Robust USB Serial Interface Engine (SIE)
  • Designing a Robust USB Serial Interface Engine (SIE)
Read More
White Paper
USB_Low_Voltage_InterChip_Amendment_final_20060320.pdf0 bytesLow Voltage Inter-Chip Adopters Agreement Amendment
  • Low Voltage Inter-Chip Adopters Agreement Amendment
Read More
Legal
USBDevDaysSeoul2022ExhibitorApplication.pdf195.44 KBUSB DevDays Seoul Exhibitor Application
D1T1-3 - USB4 System Overview.pdf738.81 KBUSB4(TM) System Overview Presentations USB4
USB3.0Adopters.pdf530.45 KBList of USB 3.0 Adopters Legal USB 3.2
irp_mn.pdf0 bytesHandling The IRP_MN_START_DEVICE PnP IRP v.1.0
  • Handling The IRP_MN_START_DEVICE PnP IRP v.1.0
Read More
White Paper
High_Speed_Inter-Chip_Amendment_20230224.pdf114.04 KBHigh-Speed Inter-Chip Adopters Agreement Amendment
  • High-Speed Inter-Chip Adopters Agreement Amendment
Read More
Legal
USBDevDaysSeoul 2022SponsorApplication.pdf197.46 KBUSB DevDays Seoul Sponsor Application
D1T1-4 - USB4 Electrical Layer.pdf705.86 KBUSB4(TM) Electricals Layer Presentations USB4
USB3p1_Front_Panel_CabCon_Implment_Doc_Rev1p1.pdf0 bytesUSB 3.1/USB Type-C(TM) Desktop Front Panel Cable and Connector Implementation Document
  • USB 3.1/USB Type-C(TM) Desktop Front Panel Cable and Connector Implementation Document
Read More
White Paper
USB4 Adopters_0.pdf56.08 KBList of USB4 Adopters USB4
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

Read More
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
Read More
Specification Base Specification USB 2.0
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
Read More
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
Read More
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
Read More
Specification Cable and Connector Specification
USB_Thin_Card.zip0 bytesUSB Thin Card v1.0 and Adopters Agreement
  • USB This Card Specification Rev 1.0
  • Adopters Agreement
Read More
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 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
AVDD_Creator_User_Manual.pdf0 bytesAVDD Creator User Manual Specification Device Class Specification
uasp_1_0.zip0 bytesUSB Attached SCSI Protocol (UASP) v1.0 and Adopters Agreement
  • USB Attached SCSI Protocol (UASP) v1.0
  • Adopters Agreement
Read More
Specification Device Class Specification
USB MIDI v2_0.pdf1.52 MBUSB Class Definition for MIDI Devices v2.0 Specification Device Class Specification
AVDD_Creator_Installer.zip0 bytesAVDD Creator Installer Specification Device Class Specification
MBIMMultiflow10.zip0 bytesUSB Multiflow Extension for Mobile Broadband Interface Model v1.0 and Adopters Agreement
  • USB Multiflow Extension for Mobile Broadband Interface Model v1.0
  • Adopters Agreement
Read More
Specification Device Class Specification
UASP_Bootability_Rev_1_0.zip0 bytesUSB Mass Storage Class Specification for UASP Bootability v1.0 and Adopters Agreement
  • USB Mass Storage Class Specification for UASP Bootability v1.0
  • Adopters Agreement
Read More
Specification Device Class Specification
AV_BDP_v1.0.pdf0 bytesUSB Device Class Definition for Audio/Video Devices Basic Device Profile (BDP)
  • USB Device Class Definition for Audio/Video Devices
  • Basic Device Profile (BDP)
Read More
Specification Device Class Specification