Universal Serial Bus (USB) iku siji spésifikasi[3] kanggo nganakaké komunikasi antara peralatan lan host controller (racaké wujud personal komputer), kang wis nggantèkaké warna-warna antarmuka kang ana sadurungé kaya ta serial lan parallel port.
Intel, Compaq, Microsoft, NEC, Digital Equipment Corporation, IBM, Nortel
Superseded
Serial port, Parallel port, Game port, Apple Desktop Bus, PS/2 connector
Dawa
5 metre (maximum)
Amba
11.5mm (A-plug), 8.45mm (B-plug),
Dhuwur
4.5mm (A-plug), 7.78mm (B-plug, pre-v3.0)
Hot pluggable
Yes
External
Yes
Cable
4 wires (or 8 wires in USB 3.0 version)
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)
Konèktor
Unique
Sinyal
5 volt DC
Max. voltage
5 volts
Max. current
500-900 mA @ 5V (depending on version)
Data signal
Packet data, defined by specifications
Amba
1 bit
Bitrate
1.5/12/480/4000 Mb/s (depending on version)
Max. devices
127
Protokol
Serial
The standard USB A plug (left) and B plug (right)
Pin 1
VCC (+5V)
Pin 2
Data-
Pin 3
Data+
Pin 4
Ground
Tutup
The basic USB trident logo; each released variant has a specific logo variant[butuh klarifikasi]A USB Standard Type A plug, the most common USB plugIn-built USB female sockets on a Sony Vaio E series laptop
USB bisa ngubungaké piranti-piranti komputer kaya mouse, keyboard, kodhak digital, printer, médhia player, flash drive, Network Adapter, lan cakram external hard drive. Tumrap piranti-piranti mau, USB wis dadi sarana penghubung standar.