http://compliance.usb.org/ Updates to policies and procedures of the USB-IF Certification Program. TechAdmin@usb.org Thu, 26 Mar 2026 16:58:41 PST en-us images\vtm.gifhttp://www.vtm-inc.com/ http://compliance.usb.org/index.asp?UpdateFile=Battery%20Charging&Format=Standard#168 http://compliance.usb.org/index.asp?UpdateFile=Battery%20Charging&Format=Standard#168 Thu, 11 Sep 2025 13:49:27 PST Battery Charging Description of new B.C. 1.2 Test Steps http://compliance.usb.org/index.asp?UpdateFile=Battery%20Charging&Format=Standard#2 http://compliance.usb.org/index.asp?UpdateFile=Battery%20Charging&Format=Standard#2 Thu, 01 Mar 2007 00:00:00 PST Battery Charging Announcement http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#167 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#167 Wed, 16 Jul 2025 13:56:42 PST Cables and Connectors Clarication of cable use case http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#164 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#164 Wed, 19 Mar 2025 16:13:36 PST Cables and Connectors USB Type-C r2.3 specification ECN http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#161 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#161 Mon, 23 Sep 2024 15:24:53 PST Cables and Connectors http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#151 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#151 Thu, 02 Jun 2022 15:36:12 PST Cables and Connectors Qualification by Similarity Program requires resubmission of product after any change http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#149 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#149 Thu, 31 Mar 2022 17:31:13 PST Cables and Connectors ECN USB2 Attenuation Update http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#147 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#147 Wed, 16 Mar 2022 15:39:28 PST Cables and Connectors Clarification of USB-C Cable Marking Requirements Prior to Certification Testing http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#144 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#144 Fri, 01 Apr 2022 13:24:05 PST Cables and Connectors Base specification update http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#143 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#143 Fri, 01 Apr 2022 13:29:45 PST Cables and Connectors USB-C Base Specification Update, Section 3.11 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#141 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#141 Mon, 12 Sep 2022 15:23:04 PST Cables and Connectors http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#140 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#140 Fri, 01 Apr 2022 13:25:35 PST Cables and Connectors Replaced by 240W USB Type-C to USB Type-C Cables http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#135 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#135 Fri, 14 May 2021 17:33:14 PST Cables and Connectors Clarify the use of chokes in compliant USB cable assemblies http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#128 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#128 Mon, 15 Mar 2021 18:21:02 PST Cables and Connectors Products are Expected to Transition to USB-C http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#123 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#123 Tue, 05 Nov 2019 10:16:50 PST Cables and Connectors Allow for automotive specific applications to use certified connectors http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#115 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#115 Tue, 09 Jul 2024 16:13:32 PST Cables and Connectors EMI and RFI http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#107 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#107 Wed, 17 Aug 2016 19:00:21 PST Cables and Connectors Cable Flex and Cable Pull Out Not Required. http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#100 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#100 Tue, 03 Mar 2015 10:41:13 PST Cables and Connectors Publication of Type C ECNs http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#89 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#89 Fri, 26 Apr 2013 09:21:43 PST Cables and Connectors USB 3.0 ECN #19 decreases differential insertion loss of MicroUSB Cable Assemblies. http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#73 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#73 Fri, 26 Apr 2013 09:25:26 PST Cables and Connectors Clarification on the maximum lengths allowed for SuperSpeed cable assemblies http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#63 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#63 Tue, 10 Mar 2009 14:47:27 PST Cables and Connectors ECN changes Rb_PLUG_ID >= 1MOhm to enable USB charger detection http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#60 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#60 Fri, 06 Mar 2009 08:40:10 PST Cables and Connectors Enables the use of non-hazardous and cost effective materials http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#47 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#47 Tue, 10 Mar 2009 14:32:41 PST Cables and Connectors Enforcement of USB Connector Construction http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#46 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#46 Tue, 10 Mar 2009 14:36:01 PST Cables and Connectors Validates proper implementation of the ID pin for mini- and micro-USB plugs. http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#27 http://compliance.usb.org/index.asp?UpdateFile=Cables%20and%20Connectors&Format=Standard#27 Mon, 15 Mar 2021 18:28:45 PST Cables and Connectors End of life for Mini Connector Certifications http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#165 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#165 Thu, 01 May 2025 16:27:23 PST Electrical Electrical Signal Quality testing behind 5 tiers of hubs is no longer mandantory for Full-Speed and Low-Speed Devices http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#142 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#142 Tue, 02 Nov 2021 19:44:29 PST Electrical Clarification of the USB 2.0 Monotonicity Requirement http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#134 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#134 Fri, 24 Jan 2020 14:37:00 PST Electrical Undefined measurement window for the histogram method http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#133 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#133 Wed, 25 Sep 2019 15:02:11 PST Electrical Test Clarification http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#98 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#98 Fri, 03 Oct 2014 14:12:46 PST Electrical Align the USB 2.0 Specification with the USB 3.1 and Type C Specifications http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#93 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#93 Thu, 15 May 2014 14:56:33 PST Electrical Publication of the low- and full-speed eye templates used for certification http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#92 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#92 Wed, 09 Apr 2014 20:31:40 PST Electrical Relaxation of compliance requirements for hi-speed EL_9 test http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#87 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#87 Wed, 27 Mar 2013 10:51:53 PST Electrical Relaxation of the hi-speed rise and fall time parameters http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#86 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#86 Mon, 15 Mar 2021 18:19:47 PST Electrical Standardization on a single electrical test fixture http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#81 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#81 Wed, 03 Aug 2011 12:38:20 PST Electrical "No Host Controllers Found" error message http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#67 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#67 Wed, 17 Feb 2010 14:23:22 PST Electrical EL_8, Driven Line Test_J and Test_K are obsolete http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#61 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#61 Fri, 06 Mar 2009 08:39:42 PST Electrical Enables isochronous peripherals to take advantage of aggressive power management http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#59 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#59 Thu, 10 Jan 2019 15:29:12 PST Electrical (DEPRECATED)Enables Attach Detection without VBus present http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#45 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#45 Thu, 10 Jun 2021 19:27:40 PST Electrical Edits to this update highlighted in yellow. http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#43 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#43 Fri, 12 Oct 2007 10:55:30 PST Electrical Defines Interpacket Timing for hosts with embedded hubs http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#41 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#41 Fri, 16 Aug 2013 11:03:34 PST Electrical Announcement of update to the USB Electrical Analysis Tool, USBET http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#34 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#34 Thu, 12 Jul 2007 10:41:27 PST Electrical Clarification on how to declare and use both bus-power and self-power modes http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#8 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#8 Fri, 08 Jun 2007 08:55:59 PST Electrical Clarification http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#7 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#7 Wed, 11 Mar 2015 11:30:00 PST Electrical Change in measurement http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#6 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#6 Thu, 01 Jun 2006 00:00:00 PST Electrical Test Change to the Compliance Program http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#5 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#5 Thu, 01 Feb 2007 00:00:00 PST Electrical Test Procedure Clarification http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#4 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#4 Tue, 20 May 2008 14:40:44 PST Electrical Relaxation of suspend current requirements for USB peripherals http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#3 http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#3 Fri, 24 Jan 2020 14:44:29 PST Electrical Clarify squelch and receiver sensitivity parameters http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#163 http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#163 Wed, 12 Feb 2025 13:58:17 PST Embedded Host Deprecation of Error Message Requirements for Automotive Embedded Hosts http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#44 http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#44 Mon, 15 Oct 2007 15:48:52 PST Embedded Host Exceptions to the Automotive Embedded Host certification program. http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#39 http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#39 Mon, 16 Jul 2007 16:31:56 PST Embedded Host Policy statement on using OTG building blocks http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#10 http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#10 Tue, 01 Aug 2006 00:00:00 PST Embedded Host Clarification of the "No Silent Failure" rule http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#9 http://compliance.usb.org/index.asp?UpdateFile=Embedded%20Host&Format=Standard#9 Wed, 09 Apr 2014 03:05:40 PST Embedded Host Announcement to Enforce the Embedded Host v2.0 Compliance http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#150 http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#150 Thu, 31 Mar 2022 18:00:23 PST Interoperability Clarification of requirements surrounding wireless charging http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#127 http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#127 Tue, 13 Aug 2019 13:37:50 PST Interoperability Backwards Compatibility Tree does not provide additional test coverage http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#99 http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#99 Fri, 03 Oct 2014 14:23:00 PST Interoperability Conducting interoperability on UHCI and OHCI host controllers is no longer mandatory. http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#69 http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#69 Mon, 03 Oct 2016 16:54:47 PST Interoperability Measures the peripepheral's ability to drop to suspend current levels prior to reset. http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#11 http://compliance.usb.org/index.asp?UpdateFile=Interoperability&Format=Standard#11 Wed, 18 Nov 2015 13:21:00 PST Interoperability Candidate Gold-tree Definition http://compliance.usb.org/index.asp?UpdateFile=OTG&Format=Standard#131 http://compliance.usb.org/index.asp?UpdateFile=OTG&Format=Standard#131 Mon, 15 Mar 2021 18:21:28 PST OTG Introduction of USB-C http://compliance.usb.org/index.asp?UpdateFile=OTG&Format=Standard#79 http://compliance.usb.org/index.asp?UpdateFile=OTG&Format=Standard#79 Wed, 20 Jul 2011 13:10:45 PST OTG Announcement when certification for OTG version 1.3 will end http://compliance.usb.org/index.asp?UpdateFile=OTG&Format=Standard#35 http://compliance.usb.org/index.asp?UpdateFile=OTG&Format=Standard#35 Fri, 06 Apr 2012 11:14:46 PST OTG Antiquation of the Mini-AB receptacle http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#145 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#145 Mon, 14 Mar 2022 14:49:11 PST Policies Update to USB PD CTS http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#130 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#130 Tue, 24 Sep 2019 16:04:19 PST Policies Ensuring Products Meet User Expectations with Varying Available Power http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#126 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#126 Wed, 29 May 2019 08:38:36 PST Policies http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#124 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#124 Fri, 03 May 2019 09:26:52 PST Policies Introduction of USB Type-C http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#122 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#122 Thu, 14 Mar 2019 16:59:38 PST Policies Exposing USB functionality over an undefined USB interface is prohibited http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#110 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#110 Tue, 04 Apr 2017 11:05:36 PST Policies Clarification on Required Material http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#94 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#94 Wed, 16 Jul 2014 20:59:54 PST Policies Policy statement http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#77 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#77 Mon, 30 Jan 2012 11:33:16 PST Policies Announcement that beginning 01 Sept 2011, USB 3.0 products must use certified USB 3.0 connectors. http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#72 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#72 Tue, 26 Oct 2010 16:12:20 PST Policies Clarification on maximum power draw by USB peripherals http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#57 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#57 Mon, 03 Nov 2008 16:32:15 PST Policies Update to the USB-IF Qualification by Similarity Program http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#29 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#29 Mon, 02 Jul 2007 17:17:48 PST Policies How to contact the USB-IF regarding certified, non-compliant USB products http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#17 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#17 Thu, 01 Mar 2007 00:00:00 PST Policies Policy Statement http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#16 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#16 Sun, 01 Apr 2007 00:00:00 PST Policies Vendor IDs belong to the company to which it is assigned http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#15 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#15 Sun, 01 Apr 2007 00:00:00 PST Policies Policy statement on OTG building blocks http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#14 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#14 Tue, 12 Jan 2010 10:13:38 PST Policies Model numbers placed on Integrators List must clearly identify the certified product http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#13 http://compliance.usb.org/index.asp?UpdateFile=Policies&Format=Standard#13 Mon, 18 Jun 2007 10:46:23 PST Policies Clarification of the "No Silent Failure" rule http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#155 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#155 Mon, 27 Feb 2023 15:44:08 PST USBCV Market Adoption of xHCI http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#137 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#137 Fri, 14 May 2021 17:52:23 PST USBCV Products that fail USB2CV fail USB3CV as well. http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#111 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#111 Tue, 04 Apr 2017 11:14:43 PST USBCV The BCD version for the Billboard specification was updated. http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#109 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#109 Thu, 23 Mar 2017 15:40:22 PST USBCV Announcment of an update to hub requirements http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#71 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#71 Tue, 18 Jan 2011 09:41:52 PST USBCV "Could not select Test Stack" error message http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#68 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#68 Thu, 19 May 2011 09:19:01 PST USBCV Ensures Interoperability between USB 2.0 and USB 3.0 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#65 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#65 Wed, 10 Jun 2009 16:47:30 PST USBCV Unsupported ISO/IEEE Std 11073-20601 Message Types http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#48 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#48 Mon, 14 Oct 2013 08:58:20 PST USBCV Announcement of an Update to USB20CV http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#33 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#33 Tue, 26 Jul 2011 09:39:21 PST USBCV "Could not select Test Stack" error message http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#20 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#20 Thu, 01 Feb 2007 00:00:00 PST USBCV Clarification http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#19 http://compliance.usb.org/index.asp?UpdateFile=USBCV&Format=Standard#19 Thu, 01 Feb 2007 00:00:00 PST USBCV Clarification http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#56 http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#56 Thu, 09 Oct 2008 17:57:07 PST wUSB Wireless USB Certification Requirements http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#55 http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#55 Wed, 30 Jul 2008 17:32:46 PST wUSB User Account Control can interfere with the installation of WUSBCV http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#53 http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#53 Wed, 30 Jul 2008 10:19:32 PST wUSB Specific WHCI PDK removed as acceptable host for Wireless USB Certification http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#52 http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#52 Mon, 07 Jul 2008 10:55:39 PST wUSB New revision of firmware to the wireless PDK host controller interface http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#51 http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#51 Mon, 07 Jul 2008 10:22:12 PST wUSB New revision to wUSBCV published http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#50 http://compliance.usb.org/index.asp?UpdateFile=wUSB&Format=Standard#50 Wed, 30 Jul 2008 10:21:38 PST wUSB Existing electrical procedures do not document a process for testing wired ports on the wire adapter products. http://compliance.usb.org/index.asp?UpdateFile=Workshop&Format=Standard#91 http://compliance.usb.org/index.asp?UpdateFile=Workshop&Format=Standard#91 Wed, 10 Jan 2024 10:18:20 PST Workshop List of test tools and their revisions used for USB Certifications http://compliance.usb.org/index.asp?UpdateFile=Workshop&Format=Standard#36 http://compliance.usb.org/index.asp?UpdateFile=Workshop&Format=Standard#36 Thu, 12 Jul 2007 15:27:54 PST Workshop What to do when hosting a USB host stationary suite at a USB-IF Compliance Workshop http://compliance.usb.org/index.asp?UpdateFile=Workshop&Format=Standard#1 http://compliance.usb.org/index.asp?UpdateFile=Workshop&Format=Standard#1 Tue, 18 Oct 2011 14:01:33 PST Workshop Certification Requirements http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#158 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#158 Mon, 17 Jul 2023 15:33:59 PST USB3 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#112 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#112 Tue, 04 Apr 2017 11:44:10 PST USB3 All hosts and hub silicon certifications require loopback test results http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#101 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#101 Tue, 12 May 2015 18:38:27 PST USB3 Crystal-less products are not eligible for USB certification http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#97 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#97 Wed, 23 Jul 2014 16:09:59 PST USB3 Clarification of the DSPORT implementation of SuperSpeed hubs. http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#96 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#96 Wed, 23 Jul 2014 15:43:22 PST USB3 The USB 3.1 Specification mandates hubs support Enhanced SuperSpeed http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#95 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#95 Fri, 03 Oct 2014 14:06:12 PST USB3 Publication of USB 3.1 errata http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#90 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#90 Mon, 10 Feb 2014 07:57:13 PST USB3 Update to the hardware used to perform USB interoperability testing http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#85 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#85 Thu, 28 Jun 2012 12:38:44 PST USB3 Clarification of certification requirements regarding SSC http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#78 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#78 Wed, 22 Jun 2011 10:21:45 PST USB3 Clarify the requirement to use the blue pantone defined in the USB 3.0 Specification http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#66 http://compliance.usb.org/index.asp?UpdateFile=USB3&Format=Standard#66 Mon, 05 Oct 2009 10:40:32 PST USB3 USB-IF unable to respond to questions involving the Intel PIPE Specification http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#162 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#162 Mon, 27 Jan 2025 09:55:55 PST PowerDelivery USB-C Source Power Tests (QuadraMAX) testing details http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#157 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#157 Thu, 26 Mar 2026 16:58:38 PST PowerDelivery Reference for Grace Period Waivers http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#156 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#156 Thu, 09 Mar 2023 15:53:29 PST PowerDelivery SPR Test Cases Achieve 95% Correlation Across 4 Approved Test Equipment Solutions http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#152 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#152 Wed, 04 Jan 2023 18:04:45 PST PowerDelivery Clarifying the Applicability of Charge Cycle Tests http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#139 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#139 Wed, 23 Jun 2021 15:28:47 PST PowerDelivery "PD Merged Specification" replaces PD Tests document, Communication Engine MOI, and Deterministic MOI http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#120 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#120 Tue, 29 Jan 2019 11:13:43 PST PowerDelivery Transition to PD 3.0 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#116 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#116 Thu, 19 Apr 2018 12:01:53 PST PowerDelivery Clarify how to obtain the correct FW version of the Alt Mode Monitor http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#113 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#113 Thu, 24 Jan 2019 18:48:28 PST PowerDelivery USB Type-C ECN for Vconn Requirements http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#105 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#105 Wed, 10 Aug 2016 17:24:18 PST PowerDelivery All PD Only Silicon implementing Alt Mode seeking certitication must pass applicable Billboard tests http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#103 http://compliance.usb.org/index.asp?UpdateFile=PowerDelivery&Format=Standard#103 Thu, 24 Jan 2019 18:50:26 PST PowerDelivery USB Type-C Interoperability tests required for certification of PD Only Silicon products http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#159 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#159 Fri, 11 Aug 2023 14:08:18 PST USBC Allow for Complex Products and non-consumer facing products additional time to Connect if needed http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#154 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#154 Wed, 08 Nov 2023 19:35:11 PST USBC Address RFI in USB 3.2 Gen 1 Capable End Products. http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#148 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#148 Thu, 31 Mar 2022 17:05:23 PST USBC Removing unnecessary and potentially confusing configurations of Power Banks http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#136 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#136 Fri, 14 May 2021 17:46:44 PST USBC The USB Type-C Specification makes clear that alternate mode products and USB4 products must billboard. This update extends this requirements to USB 2.0 and USB 3.2 sink capable products that implement a USB-C connector http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#121 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#121 Fri, 22 Feb 2019 09:21:01 PST USBC Bridge Class failures are warning when run on USB-C(tm) Hubs without PD http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#119 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#119 Fri, 27 Jan 2023 16:25:40 PST USBC Address hole in automotive product certificaiton http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#118 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#118 Thu, 20 Oct 2022 09:33:46 PST USBC Engineering Change Notice http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#114 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#114 Mon, 14 Mar 2022 15:01:00 PST USBC Clarification for USB Type-C Flip-Ability (Orientation) Testing http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#108 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#108 Thu, 24 Jan 2019 18:49:18 PST USBC Gen 1 USB Type-C to USB Type-C must use an Emarker as stated in Table 3-1 of the USB Type-C Specification http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#106 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#106 Thu, 24 Jan 2019 18:49:40 PST USBC Silicon and End-products must use certified connectors http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#102 http://compliance.usb.org/index.asp?UpdateFile=USBC&Format=Standard#102 Thu, 05 Dec 2019 15:22:53 PST USBC Enforcement of Section 4.8.2 of the USB Type-C Specification