PI3EQX6741STZDEX Pericom, PI3EQX6741STZDEX Datasheet

PI3EQX6741STZDEX

Manufacturer Part Number

PI3EQX6741STZDEX

Description

Buffers & Line Drivers 6G SATA3.0 Redriver

Manufacturer

Pericom

Datasheet

1.PI3EQX6741STZDEX.pdf (1 pages)

Specifications of PI3EQX6741STZDEX

Rohs

yes

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PI3EQX6741ST

3.3V, 1-port, SATA3 ReDriver™ with Adjustable Equalization/Pre-Emphasis

New Product Databrief

Pericom’s PI3EQX6741ST is a low power, signal SATA3 6Gbps

ReDriver™. The device provides programmable equalization

and output emphasis, to optimize performance over a variety

of physical mediums by reducing Inter-Symbol Interference.

PI3EQX6741ST supports two 100Ω Differential CML data

I/O’s between the Protocol ASIC to a switch fabric, across a

backplane, or to extend the signals across other distant data

pathways on the user’s platform.

The integrated equalization circuitry provides flexibility with

signal integrity of the signal before the ReDriver.

A low-level input signal detection and output squelch function

is provided for each channel. Each channel operates fully

independently. When the channels are enabled (EN=1) and

operating, that channels input signal level (on xI+/-) determines

whether the output is active. If the input signal level of the

channel falls below the active threshold level (Vth-) then the

outputs are driven to the common mode voltage.

Termination Detect indication (TDet_A# or TDET_B#) provides

indication when the load is connected ie HDD or Host. This

can be used as control to go into power saving mode by either

the host or HDD.

In addition to signal conditioning, when EN = 0, the device

enters a low power standby mode.

Block Diagram

xl+

CML

xl-

Signal Detection

TDet_EN

Management

Power

Equalizer

- Repeated 2 times -

Limiting

Control

Circuit

Amp

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

x_EQ

x_EM

TDet#

CML

xO+

xO-

Application of PI3EQX6741ST in NB PC application

Features

• Supports SATA3.

• Two 6Gbps differential signal pairs

• 100Ω Differential CML I/O’s

• Input signal level detect and squelch for each channel

• OOB Support

• Automatic HDD Rate detection for output swing/

• Termination detect indication

• Adjustable Receiver Equalization

• Selectable Output Pre-emphasis and Swing Control

• High impedance I/O termination in standby mode

• Low Power Operation: 254mW typical

• Auto-Slumber Mode: 36mW typical

• HDD unplugged: 3.6mW

• Power down Stand-by Mode: 0.7mW max

• Supply Voltage: 3.3V ±10%

• Packaging: 20-TQFN (4x4mm)

emphasis setting

ReDriver

SATA

à Power saving mode control to Host or HDD

2m SATA

NotebookPC

HDD

Chipset

External SATA

Disk Drive

External SATA

port

SATA

links

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