PI3EQX7502IZDEX Pericom, PI3EQX7502IZDEX Datasheet

PI3EQX7502IZDEX

Manufacturer Part Number

PI3EQX7502IZDEX

Description

Buffers & Line Drivers 1-Port USB 3.0 ReDriver

Manufacturer

Pericom

Datasheet

1.PI3EQX7502IZDEX.pdf (1 pages)

Specifications of PI3EQX7502IZDEX

Rohs

yes

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New Product Databrief

PI3EQX7502

5.0Gbps, 1-port, (2-Channel), USB 3.0 ReDriver™

Pericom Semiconductor’s PI3EQX7502 is a low power, high

performance 5.0 Gbps signal ReDriver™ designed specifically

for the USB 3.0 protocol. The device provides programmable

equalization, De-Emphasis, and input threshold controls to

optimize performance over a variety of physical mediums by

reducing Inter-Symbol Interference. PI3EQX7502 supports two

100Ω Differential CML data I/O’s between the Protocol ASIC to

a switch fabric, over cable, 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_x# = 0 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_x# = 1, the

device enters a low power standby mode. The PI3EQX7502 also

includes a fully programmable receiver detect function.

When the RxDet pin is pulled high, automatic receiver detection

will be active. The receiver detection loop will be active again

if the corresponding channel’s signal detector is idle for longer

than 25mS. The channel will then move to Unplug Mode if

load not detected, or it will return to Low Power Mode (Slumber

Mode) due to inactivity.

Block Diagram

CML

XI+

XI –

EQ_x

Signal Detection

Equalizer

- Repeated 2 times -

Management

Power

Limiting

Amp

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

CML

XO+

XO –

Figure1

Features

• USB 3.0 compatible

• Two 5.0Gbps differential signal pairs

• Adjustable Receiver Equalization

• 100Ω Differential CML I/O’s

• Pin Configured Output Emphasis Control

• Input signal level detect and squelch for each channel

• Automatic Receiver Detect with digital enable/disable

• Low Power : ~312mW

• Auto “Slumber” mode for adaptive power management

• Stand-by Mode – Power Down State

• Single Supply Voltage: 3.3V

• Packaging: 24-Contact TQFN (4x4mm)

ReDriver

USB 3.0

USB 3.0 Cable

External

Storage Device

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