Serial bus interface standard, also known as Firewire
"FireWire" redirects here. For other uses, see Firewire (disambiguation).
IEEE 1394 Interface
Type
Serial
Production history
Designer
Apple (1394a/b), IEEE P1394 Working Group, Sony, Panasonic, etc.
Designed
1986; 38 years ago (1986)[1]
Standardized
1995; 29 years ago (1995)
Manufacturer
Various
Produced
1994–current
Superseded by
Thunderbolt (and USB 3.0 for consumer use)
General specifications
Length
4.5 meters maximum
Width
1
Hot pluggable
Yes
Daisy chain
Yes, up to 63 devices
Audio signal
No
Video signal
No
Pins
4, 6, 9
Electrical
Max. voltage
30 V
Max. current
1.5 A
Data
Data signal
Yes
Bitrate
1394a, half-duplex 100–400 Mbit/s (12.5–50 MB/s)
1394b and later, full-duplex 800–3200 Mbit/s (100–400 MB/s)
IEEE 1394 is an interface standard for a serial bus for high-speed communications and isochronous real-time data transfer. It was developed in the late 1980s and early 1990s by Apple in cooperation with a number of companies, primarily Sony and Panasonic. It is most commonly known by the name FireWire (Apple), though other brand names exist such as i.LINK (Sony), and Lynx (Texas Instruments).
The copper cable used in its most common implementation can be up to 4.5 metres (15 ft) long. Power and data is carried over this cable, allowing devices with moderate power requirements to operate without a separate power supply. FireWire is also available in Cat 5 and optical fiber versions.
The 1394 interface is comparable to USB. USB was developed subsequently and gained much greater market share. USB requires a host controller whereas IEEE 1394 is cooperatively managed by the connected devices.[2]
^"1394ta.org". 1394ta.org. Archived from the original on 2017-02-09. Retrieved 2017-03-07. The 1394 digital link standard was conceived in 1986 by technologists at Apple Computer
^Yaghmour, Karim; Masters, Jon; Ben-Yossef, Gilad; Gerum, Philippe (2008-08-15). Building embedded Linux systems. O'Reilly Media, Inc. p. 70. ISBN 978-0-596-52968-0. Retrieved 2012-01-08.
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