 Original logo |
| Type | Computer Hardware Bus |
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| Production history |
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| Designer | Ajay Bhatt,Intel[1][2] |
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| Designed | Januari 1996 |
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| Manufacturer | Intel, Compaq, Microsoft, NEC, Digital Equipment Corporation, IBM, Nortel |
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| Superseded | Serial port,Parallel port,Game port,Apple Desktop Bus,PS/2 connector |
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| General specifications |
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| Dawa | 5 metre (maximum) |
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| Amba | 11.5 mm (A-plug), 8.45 mm (B-plug), |
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| Dhuwur | 4.5 mm (A-plug), 7.78 mm (B-plug, pre-v3.0) |
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| Hot pluggable | Yes |
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| External | Yes |
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| Cable | 4 wires (or 8 wires in USB 3.0 version) |
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| Pins | 4 (or 8 in USB 3.0 version) (1 supply, 2 data, 1 ground) (plus additional 4 for SuperSpeed technology in USB 3.0 version) |
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| Konèktor | Unique |
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| Electrical |
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| Sinyal | 5 voltDC |
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| Max. voltage | 5volts |
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| Max. current | 500-900mA @ 5 V (depending on version) |
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| Data |
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| Data signal | Packet data, defined by specifications |
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| Amba | 1 bit |
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| Bitrate | 1.5/12/480/4000Mb/s (depending on version) |
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| Max. devices | 127 |
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| Protokol | Serial |
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| Pin out |
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 |
| The standard USB A plug (left) and B plug (right) |
| Pin 1 | | VCC (+5 V) |
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| Pin 2 | | Data- |
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| Pin 3 | | Data+ |
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| Pin 4 | | Ground |
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