EQ

TX

1-4+

TX

1-4-

RX

1-4+

RX

1-4-

Detect

VBB_TX

Receiver/

Equalizer

Driver

RST#

CHANNEL

1-4

DE

Receiver/

Equalizer

EN_RXD

E

Q

U

A

L

I

Z

E

R

LossofSignal

Detector

LowPower

Controller

PS2

OS

RX

PS1

OS

SQ_TH

TX

SN65LVPE504

www.ti.com

SLLSE46 – SEPTEMBER 2010

Quad Channel (Half X4 Lane) PCIe Redriver/Equalizer

Check for Samples: SN65LVPE504

1

FEATURES

DESCRIPTION

•

4 Identical Channel PCIe Equalizer/Redriver

•

Support for Both PCIe Gen I (2.5Gbps) and

The SN65LVPE504 is a quad channel, half four lane

PCIe redriver and signal conditioner supporting data

Gen II (5.0 Gbps) Speed

rates of up to 5.0Gbps. The device complies with

•

Selectable Equalization, De-emphasis, and

PCIe spec revision 2.1, supporting electrical idle and

Output Swing

power management modes.

•

Per Channel Receive Detect (Lane Detection)

Programmable EQ, De-Emphasis and Amplitude

•

Selectable Receiver Electrical Idle Threshold

Swing

Control

The SN65LVPE504 is designed to minimize the

•

Low Operating Power Modes

signal degradation effects such as crosstalk and

–

Supports Three Low-Power Modes to

inter-symbol interference (ISI) that limits interconnect

Enable up to 80% Lower Operating Power

distance between two devices. The input stage of

each channel offers selectable equalization settings

•

Excellent Jitter and Loss Compensation

that can be programmed to match loss in the

Capability to 50" of 4-mil SL on FR4

channel. The differential outputs provide selectable

•

Small Foot Print – 42 Pin 9 × 3.5 TQFN

de-emphasis to compensate for the anticipated

Package

distortion

PCIe

signal

will

experience.

Both

•

High Protection Against ESD Transient

equalization

and

de-emphasis

levels

for

all

4

channels are controlled by the setting of signal

–

HBM: 6,000 V

control pins EQ, DE and OS.

–

CDM: 1,000 V

See Table 1 for EQ, DE and OS setting details.

–

MM: 200 V

spacer

APPLICATIONS

•

PC MB, Docking Station, Server,

Communication Platform, Backplane and

Cabled Application

Figure 1. Data Flow Block Diagram

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas

Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

PRODUCTION DATA information is current as of publication date.

Copyright © 2010, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.