VSC8239 datasheet(1/2 Pages) VITESSE

Il numero della parte	VSC8239

Spiegazioni elettronici	9.953 Gbps to 11.3 Gbps Dual XFP Signal Conditioner

PDF	2 Pages

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Produttore elettronici	VITESSE [Vitesse Semiconductor Corporation]

Homepage	http://www.vitesse.com

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VSC8239

9.953 Gbps to 11.3 Gbps Dual XFP Signal Conditioner

NETWORK PRODUCTS

PB-VSC8239-001

FEA TURES:

4Small size – 32-Pin, QFP (5 mm x 5 mm) package

49.953 Gbps to 11.3 Gbps operation

4Integrated loopback functions

4Programmable gain and equalization for Rx and Tx

4Two-wire Serial Interface/SPI Serial Control Interface

410 mV typical input sensitivity

4Built In Self Test (BIST) features including flexible error detection modes

4Full XFP compliant jitter specifications

BENEFITS:

4Reduces board space usage

4Continuous tuning of the operation frequency without needing to select

between VCO

4Provides on-chip line and diagnostic functions

4Allows optical and XFI adaption of input signals for optimized sensitivity

and jitter performance

4Allows serial access to internal control registers

4Provides long-haul receive optical sensitvity

4Allows for built in test signal generation of industry standard PRBS and

user defined-patterns coupled with a full rate error detection capability

4Fully meets all XFP MSA SONET and datacom jitter specifications

including jitter generation, tolerance, and transfer

BLOCK DIAGRAM:

OD

Serial

Interface

Control

Receive

Data Out

RD+

RX CDR

Receive

Data In

RX_LOS

RXFILT

REFCLK–

OD

TXOUT+

TX CDR

VGA

TD+

RXIN+

TXFILT

CDD12

Transmi t

Data In

Transmit

Data Out

TXOUT–

RXIN–

TD–

RD–

REFCLK+

LOLN

PIO[4:0]

VGA

LINES IDE

HOSTS IDE

CTRL

Signals

Read back

Signals

PIO4,

LOL_POL

RX_LT R

TX_ LTR

DAC

TX_GAIN

DAC

TX_BOOST

TX_LOL

DAC

RX_GAIN

DAC

RX_BOOST

LINE_LPBCK/

TX_DINV

HOST_ LPBCK/

RX_ DI NV

TX_BW

DAC

TX_LOL

DAC

RX_OC

DAC

TX_OC

CK/4

BYP

LOGIC

TX_ BYPSEL[ 3:0]

RX_BW

DAC

BYP

LOGIC

RX_BYPSEL[ 3:0]

CK/4

Offset

Correction

Offset

Correction

LOS

LOS_ POL

LOS/LOT

SET/ CLR

DAC

Thr

DAC

RX_OC_

LOOP_ENBL

TX_OC_

LOOP_ENBL

TX_BYPASS

RX_BYPASS

SPECIFICA TIONS:

49.953 Gbps to 11.3 Gbps operation

4XFI compliant IO specifications

410 mV typical input sensitivity

41.8 V single power supply

45 mm x 5 mm package

4600 mW typical power dissipation

4Full XFP compliant jitter specifications

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