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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 PD3 CTS Q2 2024 OR.zip4.98 MBUSB Power Delivery Compliance Test Specification
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Specification Test Specification USB Power Delivery
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 Type C Functional Test Specification 2024 03 03.pdf1.62 MBUSB Type-C Functional Test Specification
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Specification Test Specification USB Type-C
USB 3 2 Link Layer Test Specification 2024 03 03.pdf1.27 MBUSB 3.2 Link Layer Test Specification
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Specification Test Specification USB 3.2
USB_Type-C_Shared_Capacity_Interoperabiltiy_CTS_0.8.pdf657.8 KBUSB Type-C Shared Capacity Charger Interoperability Compliance Test Specification
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Specification Test Specification USB Type-C
USB4 V1-V2 CTSs January 2024.zip25.78 MBUSB4CV Compliance Test Specification
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Specification Test Specification 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

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Specification Base Specification USB Power Delivery
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
3.2 Interoperability Testing v1.01 w USB Type-C.pdf2.45 MBxHCI Interoperability Test Procedures For Peripherals, Hubs and Hosts
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Specification Test Specification USB 2.0, USB 3.2, USB Power Delivery, USB Type-C
SINK PPS Interoperability Charging Cycle Test Procedure_Rev0.82.pdf150.41 KBSINK PPS Interoperability Charging Cycle Test Procedure
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Specification Test Specification USB Power Delivery, USB Type-C
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
USB4 Specification June 2023.zip61.99 MBUSB4® Specification v2.0
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Specification Base Specification USB4
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
CTSs_USB3CV_XHCICV.zip14.01 MBUSB3CV and XHCICV Compliance Test Specifications
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Specification Test Specification USB 2.0, USB 3.2
USB I3C Device Class Revision 1.1.pdf1.52 MBUSB I3C® Device Class Specification v1.1
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Specification Device Class Specification
Electrical_Compliance_Test Specification_Linear_Re_Driver_Active_Cable_LRD_rev1p0.pdf1.92 MBElectrical Compliance Test Specification Linear Re-Driver Active Cable (LRD)
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Specification Test Specification USB Type-C, USB4
USB4 Interoperability Testing v1.02_0.pdf709.09 KBUSB4 Interoperability Test Procedures
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Specification Test Specification USB4
USB4 TBT3-Compatibility CTS Rev 1.1.zip1.28 MBUSB4™ Thunderbolt3™ Compatibility Compliance Test Specification
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Specification Test Specification USB4
USB Type-C Connectors and Cable Assemblies Compliance Document Rev 2.1b.zip4.58 MBUSB Type-C Connectors and Cable Assemblies Compliance Document
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Specification Test Specification USB Type-C
USB-C Product Matrix 2022 08 03.pdf186.73 KBUSB Type-C Product Test Matrix
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Specification Test Matrix USB Type-C
RFI system level test procedure Rev1.5 08012022.pdf1.34 MBUSB RFI System Level Test Procedure
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Specification Test Specification USB 3.2, USB Type-C
USB4 Electrical Test Specifications.zip6.42 MBUSB4 Electrical Compliance Test Specification

USB4 Electrical Compliance Test Specification Ver. 1.03

USB4 Electrical - Captive Device Compliance Test Specification Ver 1.02

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Specification Test Specification USB4
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_TCPCI_R2_V1p3_30122_CLEAN.pdf4.02 MBUSB Type-C® Port Controller Interface Specification
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Specification USB Type-C
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

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Specification 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
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
USB4™ Thunderbolt3™ Compatibility Requirements Specification Rev 1.0 - 20210129_0.pdf397.71 KBUSB4™ Thunderbolt3™ Compatibility Requirements Specification
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Specification Test Specification USB4
USB-C Source Power Test Specification 2021 05 24.pdf719.6 KBUSB Type-C and Power Delivery Source Power Requirements Test Specification
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Specification Test Specification USB Power Delivery, USB Type-C
USB 3.2 Test Matrix_2.pdf32.64 KBUSB 3.2 Product Test Matrix
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Specification Test Matrix
USB BC 1.2 Compliance Plan rev 1.2.pdf1.59 MBUSB Battery Charging 1.2 Compliance Plan
  • USB Battery Charging 1.2 Compliance Plan
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Specification Test Specification
USB Billboard Rev 1.2.2 20210209.zip846.21 KBBillboard Device Class Spec Revision 1.2.2 and Adopters Agreement
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Specification Device Class Specification
USB MIDI v2_0.pdf1.52 MBUSB Class Definition for MIDI Devices v2.0
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Specification Device Class Specification
hid1_11.pdf1007.31 KBDevice Class Definition for HID 1.11
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Specification Device Class Specification
usbmon10.pdf404.94 KBMonitor Control Class 1.0
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Specification
oaaddataformatsv6.pdf597.1 KBOAAD Arcade Usage Table
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Specification Device Class Specification
SSHUB LVS Specification 2019_11_21.pdf783.74 KBUSB 3 Hub LVS Test Specification
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Specification Test Specification USB 3.2
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
BCv1.2_070312.zip1.31 MBBattery Charging v1.2 Spec and Adopters Agreement
  • Battery Charging Specification v1.2
  • Errata for "Battery Charging Specification Revision 1.2 December 7, 2010", as of Oct 12, 2011
  • Errata for "Battery Charging Specification Revision 1.2 October 12, 2011" as of Mar 15, 2012
  • Battery Charging Specification (Including errata and ECNs through March 15, 2012) Revision 1.2, March 15, 2012
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Specification Device Class Specification
Embedded Host Targeted Peripheral List (TPL) Form.pdf113.18 KBEmbedded Host Target Peripheral List (TPL) Form
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Specification Test Tool Instruction
Targeted Host Compliance Test Specification v1.00.pdf172.73 KBAndroid Based Targeted Host Compliance Test Specification v1.00
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Specification Test Specification
USB_2.0_Test_Matrix.pdf58.93 KBUSB 2.0 Test Matrix
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Specification Test Matrix USB 2.0
USB 2 0 Electrical Compliance Specification(v1.07).pdf753.69 KBUSB 2.0 Electrical Compliance Test Specification Version 1.07
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Specification Test Specification USB 2.0
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
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Specification
USB_Type-C_Bridge_Spec110117.zip3.11 MBUSB Type-C® Bridge Specification v1.1

USB Type-C® Bridge Class Specification v1.1

USB Type-C® Bridge Class Specification v1.1 - redline

USB 3.0 Adopters Agreement

 

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Specification Device Class Specification USB Type-C
CabConn_Legacy_3_1_Compliance_Rev_1_1.pdf0 bytesUniversal Serial Bus 3.1 Legacy Connectors and Cable Assemblies Compliance Document
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Specification Test Specification USB 3.2
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
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Specification Device Class Specification
EnhancedSuperSpeedPHYComplianceTestSpec.pdf0 bytesElectrical Compliance Test Specification for SuperSpeed USB 10 Gbps Rev. 1.0
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Specification Test Specification USB 3.2
pd_fw_update_specification_rev_1_0_20160915b.pdf1.9 MBUSB Power Delivery Firmware Update Specification
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Specification USB Power Delivery
xHCI_Backwards_Compatibility_Testing_v1_7.pdf0 bytesxHCI Backwards Compatibility Test Procedures For Hosts Rev 1.7
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Specification Test Specification USB 3.2