Product category:
Communications ICs (Wired)
News Release from: Cypress Semiconductor | Subject: TetraHub CY7C65640
Edited by the Electronicstalk Editorial
Team on 11 February 2004
Hub controller keeps USB running at full
speed
TetraHub USB hub controller chips are shipping in a new multiport hub being announced this week by Belkin, the world's leading manufacturer of USB hub devices.
TetraHub USB hub controller chips are shipping in a new multiport hub being announced this week by Belkin, the world's leading manufacturer of USB hub devices Cypress's TetraHub technology provides end users of Belkin's new TetraHub (F5U231) four-port USB hub a significant increase in device performance and productivity
This article was originally published on Electronicstalk on 9 Jul 2008 at 8.00am (UK)
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Cypress's TetraHub chip (CY7C65640) is the industry's first USB hub controller to integrate one "transaction translator" (TT) in each downstream port, delivering a full 12Mbit/s of bandwidth to each connected full speed USB peripheral.
Transaction translators are crucial in ensuring the forward and backward compatibility of USB 1.1 and 2.0 devices.
Competing hubs force connected peripherals to share a single 12Mbit/s data channel, which can bottleneck data and render a system inoperable when multiple devices are used simultaneously.
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"The PC has evolved into a multimedia studio, with CD burners, DVD players, video and storage devices competing for system bandwidth", said Paul Novell, Managing Director of the Wired Business Unit of Cypress Semiconductor's Personal Communications Division.
"Why should you have to wait for your CD to finish burning before you can start on other projects? Cypress's TetraHub technology eliminates the 'downtime penalty' of single-TT hubs, enabling end-users to enjoy the full potential of their peripheral devices".
"Today's peripherals are much more sophisticated than in the past", said Gavin Downey, Business Unit Manager, at Belkin.
"Digital cameras, speakers, scanners and other multimedia devices consume considerable bandwidth that must be shared in a traditional multiport hub.
Leveraging Cypress's TetraHub technology, Belkin's new hub allows consumers to enjoy the full capabilities of these devices".
Cypress's TetraHub solution provides USB hubs with the system intelligence needed for high levels of data control.
It supports all three USB speeds: low-speed (1.5Mbit/s), full-speed (12Mbit/s) and high-speed (480Mbit/s), enabling multiple devices of varying speeds to operate on the hub simultaneously.
The TetraHub device may be used as a high-bandwidth controller in stand-alone hubs, monitor hubs, port replicators, and docking stations, or to increase the number of USB ports on a PC without integrating additional host controllers.
It is available in a space saving, cost effective 56-lead QFN package.
Cypress also offers a hub reference design and evaluation kit to shorten and simplify product design cycles.
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