pi2eqx5904 Pericom Semiconductor Corporation, pi2eqx5904 Datasheet

pi2eqx5904

Manufacturer Part Number

pi2eqx5904

Description

5.0gbps, 4-lane Pcie 2.0 Redrivertm With Equalization And Emphasis

Manufacturer

Pericom Semiconductor Corporation

Datasheet

1.PI2EQX5904.pdf (1 pages)

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Product Databrief

Pericom Semiconductor’s PI2EQX5904 (or 5964) is a low

power, PCIe

high speed serial signals such as serdes backplane and non

protocol specific protocols. The device provides programmable

equalization, amplification, and de-emphasis by using 8 select

bits to optimize performance over a variety of physical mediums

by reducing Inter-signal interference.

PI2EQX 5904 supports eight 100W Differential CML data I/O’s

between the Protocol ASIC to a switch fabric, across a backplane,

or extends the signal across other distant data pathways on the

user platform. PI2EQX5904 compensates signal insertion loss

at designated BER issued by PCIe2.0 endpoint device.

The integrated equalization circuitry provides flexibility with the

signal integrity of the PCIe signal before the ReDriver, whereas

the integrated de-emphasis circuitry provides flexibility with

signal integrity of the signal after the ReDriver.

In addition to providing signal re-conditioning, Pericom’s

PI2EQX5904 also provides power management Stand-by mode

operated by a Power Down pin.

Target markets for this ReDriver are networking, embedded,

industrial, server and storage applications, including non-

protocol-specific and high-speed signal applications.

PI2EQX5904

5.0Gbps, 4-Lane PCIe

Block Diagram

xyRx+

xyRx-

xyTx+

xyTx-

SELy_x

Sy_x

Dy_x

DE_x

PD#

SDA

SCL

Output

Controls

compliant signal redriver also suitable for other

−

Equalizer

−

Data Lane Repeats 4 Times

Control Registers

Input level detect

to control logic

Management

Input level detect

to control logic

& Logic

Power

C Control

2.0 ReDriver

Equalizer

−

Output

Controls

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

−

Mode

LB#

RXD_x

RES_x

with Equalization and Emphasis

xyTx+

xyTx-

xyRx+

xyRx-

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.

Figure1

• Up to 5.0Gbps PCIe

• Supporting 8 differential channels or 4 lanes of PCIe

• Pin Strapped and I

• Adjustable reciever equalization

• Adjustable transmitter amplitude and De-emphasis

• Increased output drive for longer trace and cable

• Variable input and output termination

• 1:2 channel broadcast

• Channel Loop-back/Mux and Demux Mode

• Low Power: 660mW, Typical

• Electrical Idle fully supported

• Receiver detect and individual output control

• Single supply voltage, 1.2V ±0.05V

• Power down modes

• Industrial Temp Support, -40°C ~ +85°C

• Packaging (Pb-free & Green): 100-contact LBGA

ReDriver

PCIe 2.0

Features

Blade Server

interface

(3.3V tolerant I

applications

PCIe 2.0 Cable

C configuration control

2.0 Serial ReDriver™

Blade Server

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