Product category: Communications ICs (Wired)
News Release from: Pericom Semiconductor Corp | Subject: PI2PCIE212 and PI2PCIE412
Edited by the Electronicstalk Editorial Team on 11 February 2005
Signal switches accelerate
PCI Express performance
Pericom Semiconductor has developed a new range of performance enhancing PCI Express signal switches
Pericom Semiconductor Corp has developed a new range of performance enhancing PCI Express signal switches. Pericom's PI2PCIE212 and PI2PCIE412 PCI Express signal switches offer a way to allocate PCI Express bandwidth by allowing the limited PCI Express lanes from the root complex to be dynamically assigned to different slots of a system, thus enabling the allocation of bandwidth at the same time.
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The conventional PCI Express packet switch does not always include bandwidth allocation features.
'When compared with a typical PCI Express packet switch, the Pericom signal switch does not create much latency other than a typical trace delay', explained Shaf Rahman, Pericom Marketing Director.
'On the other hand, the packet switch needs to examine the PCI Express header before it is able to switch a packet, thus creating unnecessary delay'.
Further reading
Pericom builds growth momentum
Pericom Semiconductor Corp has announced results for its second quarter of fiscal 2007, ended 30th December 2006
'The lack of latency of the signal switch can often translate to higher performance over the PCI Express bus'.
The PI2PCIE212 contains two differential signal switches, each with one pair on the primary side and two pairs on the secondary side.
The switch may connect the primary pair to one of the secondary pairs according to the value of the select bit.
The PI2PCIE412 contains four pairs of differential signal on the primary side, and eight pairs of differential signal on the secondary side.
PI2PCIE212 and PI2PCIE412 PCI Express signal switches are sampling now under NDA, with pricing starting at $1.50 in 10,000-unit quantities.
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