PI2EQX4951SLZDEX Pericom, PI2EQX4951SLZDEX Datasheet

PI2EQX4951SLZDEX

Manufacturer Part Number

PI2EQX4951SLZDEX

Description

Buffers & Line Drivers 1.5V 1prt SATA2 I/m ReDrvr w/ A/D Config

Manufacturer

Pericom

Datasheet

1.PI2EQX4951SLZDEX.pdf (1 pages)

Specifications of PI2EQX4951SLZDEX

Rohs

yes

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New Product Databrief

Pericom Semiconductor’s PI2EQX4951SL is a low power, signal

ReDriver. The device provides programmable equalization, to

optimize performance over a variety of physical mediums by

reducing Inter-Symbol Interference. PI2EQX4951SL supports two

100-Ohm 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.

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

enters a low power standby mode.

PI2EQX4951SL

1-port, SATA2 i/m ReDriver™ with Analog/Digital Configuration

Block Diagram

xl+

CML

xl-

Signal Detection

Power

Management

Equalizer

- Repeated 2 times -

Control

Circuit

Limiting

Amp

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

x_EQ

x_EM

CML

xO+

xO-

Application of PI3EQX4951SL in NB PC application

• SATA2 i/m; external SATA2

• Two 3.0Gbps differential signal pairs

• Independent Digital Output Emphasis Control

• 100-Ohm Differential CML I/O’s

• Input signal level detect and squelch for each channel

• OOB Support

• Enhanced Mode Features:

• High impedance I/O termination in stand-by mode

• Low Power Operation: 150mW typ.

• Auto-Slumber Mode: 30mW

• Power down Stand-by Mode: 0.04mW

• Supply Voltage: 1.4V to 1.9V

• Packaging: 20-TQFN (4x4mm)

Features

ReDriver

à Adjustable Receiver Equalization

à Independent Analog Output Emphasis Control

SATA

2m SATA

NotebookPC

HDD

Chipset

External SATA

Disk Drive

External SATA

port

SATA

links

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