pi3pcie3412 Pericom Semiconductor Corporation, pi3pcie3412 Datasheet

pi3pcie3412

Manufacturer Part Number

pi3pcie3412

Description

Pci Express 3.0 Signal Switch Products

Manufacturer

Pericom Semiconductor Corporation

Datasheet

1.PI3PCIE3412.pdf (1 pages)

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New Product Databrief

Block Diagram

PCI Express

Pericom’s PI3PCIE34xx PCI Express 3.0 Signal Switches provide a

way to allocate PCI Express lanes and 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. The conventional Packet

Switch does not always include bandwidth allocation features.

The PI3PCIe34xx 2:1 Mux/Demux

The PI3PCIE34xx is a 4-differential channel, 2:1 mux/demux)

3.0 PCI Express Signal switch. Designed using the latest high-

speed broadband switching technology, it provides 8 Gbps

PCI Express 3.0 physical layer signal processing. The switch

supports full speed operation with 14~16” trace lengths at the

PCB motherboard board. The PI3PCIE34XX allows bandwidth

allocation of two complete PCI Express lanes, each representing

differential pairs of Rx and Tx signals. By designing the switch

Ron and Con at the lowest possible factor, there is minimal

degradation of margins at the receiver eye opening.

PI3PCIE3412/PI3PCIE3415

Applications of PCIe Signal Switch

Slot configuration is a popular application of PCI Express signal

switches. Following diagram shows an example where two 8-lane

ports on the Root Complex can support either one 16-lane

or two 8-lane connectors. Many other similar configurations

are possible, such as with multiple 4-lane or single-lane slots

combined with wider slots. Servers, Workstations and Desktop

PCs are common platforms using PCI Express slot configuration.

Complex

Root

x8 port

x8 lane

3.0 Signal Switch Products

x8 lane

PI3PCIE34xx

x8 lane

x16 lane Connector

connector

PCI Express

x8 lane

X8 lane Connector

connector

www.pericom.com | 1-408-435-0800

PCI Express

Figure1

Redrivers with emphasis and equalization signal conditioning technology ensure

the integrity of high-frequency PCIe signals by opening closed signal eyes to

recover data and meet strict compliance testing requirements. Increased signal

margin also supports longer drive lenghts over even low-quality cables

Features

• Single device can offer bandwidth allocation of PCI

• Provides signal transmit and receive capability for two

• V

• Maximum trace length coverage is 14~16”

• PCI Express 3.0, 8 Gbps performance

• Downward compatible to PCIe 1.0 and 2.0

• 42-pad TQFN package (Pb-free & Green)

• Low Ron / Con for maximum signal transfer and

• Bandwidth: 6~7 Gbps

• Crosstalk: -26dB@4GHz

• Off Isolation: -20dB@ 4GHz

• Insertion Loss: -1.5dB@4GHz

• ESD: 2KV HBM

• For high-performance, differential signal switching

Dual mode PCIe G3/DP

Express 3.0 signals of up to 4-Differential channels

complete PCI Express 3.0 lanes

low distortion

applications of PCI Express 3.0 & 2.0

Graphics Port

Operating Voltage: 3.3V

PI3PCIE3412

Pericom

CPU

Graphics/media

Accelerator card

PCIe Chipset

x16PCIeG3

Connector

2m SATA

for accelerated graphics

Display Port Connector

Gaming PC/Workstation

Motherboard

for accelerated graphics port

Display Port Connector

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