PI2EQX3421ZHE

PI2EQX3421ZHE Datasheet

PI2EQX3421

Part	Datasheet
PI2EQX3421ZHE	PI2EQX3421ZHE (pdf)

Related Parts	Information
PI2EQX3421ZHEX	PI2EQX3421ZHEX

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PI2EQX3421 3.2Gbps, 1:2 Port Switch, SATA2/SAS ReDriver 3.2Gbps differential signal Receiver Equalization Differential CML I/O’s output level control signal level detect and squelch for each channel support Power 100mW per Channel Mode Power Down State Operating Range 1.5V to 1.8V Operating Temperature Range -40°C to 85°C 28-TQFN 3.5x 5.5mm Pericom Semiconductor’s PI2EQX3421 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. PI2EQX3421 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 input to 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 CE=1 and operating, that channels input signal level on XIN+/- determines whether the output is enabled. 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, Pericom’s PI2EQX3421 also provides power management Stand-by mode operated by the Chip Enable CE pin. Block Diagram F_IN+ F_IN- SIGNAL DETECT F_EQ EQUALIZER F_SD FA_OUT+ FA_ES FA_OUTFB_OUT+ FB_ES FB_OUT- R_OUT+ R_OUT- R_ES CH_SEL TEST# CE CONTROL LOGIC RA_SD SIGNAL DETECT LOGIC SIGNAL DETECT EQUALIZER RB_SD SIGNAL DETECT EQUALIZER RA_IN+ RA_INRA_EQ RB_IN+ RB_INRB_EQ RB_EQ FB_ES R_ES CH_SEL Pin Description Top Side View F_EQ RA_EQ FA_ES CE RA_SD F_SD VDD F_IN+ F_IN- VDD R_OUT+ R_OUTRB_SD 1 28 27 26 25 24 5 GND 20 16 1415 Ordering Information Ordering Number Package Code Package Description PI2EQX3421ZHE Pb-Free and Green 28-contact TQFN All trademarks are property of their respective owners. 13-0021 PS8972D 12/18/12

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PI2EQX3421
3.2Gbps, 1:2 Port Switch, SATA2/SAS ReDriver
3.2Gbps differential signal Receiver Equalization Differential CML I/O’s output level control signal level detect and squelch for each channel support Power 100mW per Channel Mode Power Down State Operating Range 1.5V to 1.8V Operating Temperature Range -40°C to 85°C 28-TQFN 3.5x 5.5mm

Pericom Semiconductor’s PI2EQX3421 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. PI2EQX3421 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 input to 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 CE=1 and operating, that channels input signal level on XIN+/- determines whether the output is enabled. 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, Pericom’s PI2EQX3421 also provides power management Stand-by mode operated by the Chip Enable CE pin.

Block Diagram

F_IN+ F_IN-

SIGNAL DETECT

F_EQ

EQUALIZER

F_SD FA_OUT+

FA_ES

FA_OUTFB_OUT+

FB_ES

FB_OUT-

R_OUT+ R_OUT-

R_ES

CH_SEL TEST# CE

CONTROL LOGIC

RA_SD

SIGNAL DETECT LOGIC

SIGNAL DETECT

EQUALIZER

RB_SD

SIGNAL DETECT

EQUALIZER

RA_IN+ RA_INRA_EQ

RB_IN+ RB_INRB_EQ

RB_EQ FB_ES

R_ES CH_SEL

Pin Description Top Side View

F_EQ RA_EQ FA_ES CE

RA_SD

F_SD VDD

F_IN+ F_IN-

VDD R_OUT+ R_OUTRB_SD
1 28 27 26 25 24
5 GND 20
16 1415
Ordering Information
Ordering Number

Package Code

Package Description

PI2EQX3421ZHE

Pb-Free and Green 28-contact TQFN

All trademarks are property of their respective owners.
13-0021

PS8972D
12/18/12

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived PI2EQX3421ZHE Datasheet file may be downloaded here without warranties.

Datasheet ID: PI2EQX3421ZHE 510034