USB History

By AdamRod

  • USB 1.x

    data rates of 1.5 Mbit/s (Low-Bandwidth) and 12 Mbit/s (Full-Bandwidth) some 2.0 ports are compatiable with 1.x

  • USB 1.1

    earliest revision that was widely adopted

  • USB 2.0

    480 Mbit/s (effective throughput up to 35 MB/s or 280 Mbit/s)

  • Mini-A and Mini-B Connector ECN

    smaller versions

  • Errata as of December 2000

  • Pull-up/Pull-down Resistors ECN

  • Errata as of May 2002

  • Interface Associations ECN

  • Rounded Chamfer ECN

  • Unicode ECN

  • Inter-Chip USB Supplement

  • On-The-Go Supplement 1.3

  • Battery Charging Specification 1.1

  • Micro-USB Cables and Connectors Specification 1.01

  • Link Power Management Addendum ECN

  • USB 3.0

    signaling speed of 5 Gbit/s and a usable data rate of up to 4 Gbit/s (500 MB/s): backwards compatibily with 2.0

  • Battery Charging Specification 1.2

  • USB 3.1

    10 Gbit/s called SUPERSPEED+