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  2. USB Implementers Forum - Wikipedia

    en.wikipedia.org/wiki/USB_Implementers_Forum

    The USB-IF is responsible for issuing USB vendor identification numbers to product manufacturers. The cost for issuing this number is US$6,000 per year. Additionally, the use of a trademarked USB logo to identify certified devices requires a license fee of US$3,500 for a 2-year term. [6]

  3. USB - Wikipedia

    en.wikipedia.org/wiki/USB

    USB 3.2, released in September 2017, [39] preserves existing USB 3.1 SuperSpeed and SuperSpeedPlus architectures and protocols and their respective operation modes, but introduces two additional SuperSpeedPlus operation modes (USB 3.2 Gen 1×2 and USB 3.2 Gen 2×2) with the new USB-C Fabric with signaling rates of 10 and 20 Gbit/s (raw data ...

  4. USB hardware - Wikipedia

    en.wikipedia.org/wiki/USB_hardware

    When adding USB device response time, delays from the maximum number of hubs added to the delays from connecting cables, the maximum acceptable delay per cable amounts to 26 ns. [39] The USB 2.0 specification requires that cable delay be less than 5.2 ns/m (1.6 ns/ft, 192 000 km/s), which is close to the maximum achievable transmission speed ...

  5. USB communications - Wikipedia

    en.wikipedia.org/wiki/USB_communications

    High speed (HS) rate of 480 Mbit/s was introduced in 2001 by USB 2.0. High-speed devices must also be capable of falling-back to full-speed as well, making high-speed devices backward compatible with USB 1.1 hosts. Connectors are identical for USB 2.0 and USB 1.x. SuperSpeed (SS) rate of 5.0 Gbit/s. The written USB 3.0 specification was ...

  6. USB4 - Wikipedia

    en.wikipedia.org/wiki/USB4

    Formally, a cable type and properties are defined by a distinct specification version, which was used during the development/design of said cable model, so each cable would be a valid and possibly certified cable according to a specific set of USB specification versions, like "Type-C 2.3, USB 3.2, USB4 Version 2.0".

  7. These are the best iPhone chargers in 2025 - AOL

    www.aol.com/best-iphone-chargers-2025-103300837.html

    OtterBox USB-C PD UK Wall Charger 20W and Reinforced USB-C to Lightning Cable, MFi Certified Charging speed: 20W USB-C | Ports: 1x USB-C | Dimensions: 4.29 x 2.9 x 4.98cm | Weight: 85.2g

  8. InterChip USB - Wikipedia

    en.wikipedia.org/wiki/InterChip_USB

    HSIC uses two signals at 1.2 V and has a throughput of 480 Mbit/s. Maximum PCB trace length for HSIC is 10 cm. It does not have low enough latency to support RAM sharing between two chips. [2] [3] SuperSpeed Inter-Chip (SSIC) is the USB 3.0 successor of HSIC. [4] The USB-IF Inter-Chip USB Supplement was released in March 2006.

  9. USB hub - Wikipedia

    en.wikipedia.org/wiki/USB_hub

    For example, if a USB 1.1 device is connected to a port on a USB 2.0 hub, then the TT would automatically recognize and translate the USB 1.1 signals to USB 2.0 on the uplink. However, the default design is that all lower-standard devices share the same transaction translator and thus create a bottleneck, a configuration known as the single ...

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