VSC8238 データシートの表示（PDF） - Vitesse Semiconductor

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VSC8238

10.3125 Gbps Advanced Electronic Equalization with Limiting Amplifier, and Clock and Data Recovery

Vitesse Semiconductor 

TRANSPORT PHYSICAL LAYER

VSC8238

10.3125 Gbps Advanced Electronic Equalization with Limiting Amplifier, and Clock and Data Recovery

BLOCK DIAGRAM:

Initialization and Control

Link Monitor

VSC8238

Micro-Controller

Interface

Error Proxy

10.3125 Gbps

RXDATA_IN

AGC

VSC8238

FFE/DFE EQ Limiting Amplifier

and CDR

10.3125 Gbps

RXDATA_OUT

FEATURES:

` Multitap FFE and DFE filter

` Integrated CDR and XFI output driver

` Integrated AGC and offset controls

BENEFITS:

` Provides superior modal dispersion compensation and exceeds

10GBASE-LRM specifications

` Provides XFP-compatible Rx CDR for XPF LRM module applications

` Provides robust handing of wide TIA input signal range and duty cycle

conditions

FUNCTIONAL BLOCK DIAGRAM:

RXLOL REFCLK LTREF REF_SEL

LF

(Ext Cap)

AGC_IN

AGC

Equalizer, Limiting Amplifier, and CDR

Link

Monitor

SPI or Parallel

Interface

RSTN

APPLICATIONS:

` XENPAK/X2 10GBASE-LRM module applications

` XFP 10GBASE-LRM module applications

To Micro-Controller

Link Monitor

EQ_OUT

VPPD-01657

Revision 1.0

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