vsc8239 Vitesse Semiconductor Corp, vsc8239 Datasheet
vsc8239
Manufacturer Part Number
vsc8239
Description
9.953 Gbps To 11.3 Gbps Dual Xfp Signal Conditioner
Manufacturer
Vitesse Semiconductor Corp
Datasheet
1.VSC8239.pdf
(2 pages)
VSC8239
F E A T U R E S :
Small size – 32-Pin, QFP (5 mm x 5 mm) package
9.953 Gbps to 11.3 Gbps operation
Integrated loopback functions
Programmable gain and equalization for Rx and Tx
Two-wire Serial Interface/SPI Serial Control Interface
10 mV typical input sensitivity
Built In Self Test (BIST) features including flexible error detection modes
Full XFP compliant jitter specifications
S P E C I F I C A T I O N S :
9.953 Gbps to 11.3 Gbps operation
10 mV typical input sensitivity
5 mm x 5 mm package
Full XFP compliant jitter specifications
NETWORK PRODUCTS
9.953 Gbps to 11.3 Gbps Dual XFP Signal Conditioner
XFI compliant IO specifications
1.8 V single power supply
600 mW typical power dissipation
HOSTS IDE
Data Out
Transmi t
Receive
Data In
REFCLK+
REFCLK–
PIO[4:0]
RD+
RD–
TD+
TD–
B E N E F I T S :
Reduces board space usage
Continuous tuning of the operation frequency without needing to select
Provides on-chip line and diagnostic functions
Allows optical and XFI adaption of input signals for optimized sensitivity
Allows serial access to internal control registers
Provides long-haul receive optical sensitvity
Allows for built in test signal generation of industry standard PRBS and
Fully meets all XFP MSA SONET and datacom jitter specifications
B L O C K D I A G R A M :
Correction
LOOP_ENBL
and jitter performance
between VCO
user defined-patterns coupled with a full rate error detection capability
including jitter generation, tolerance, and transfer
TX_OC_
Offset
Interface
Control
Serial
VGA
OD
RX_BYPSEL[ 3:0]
DAC
DAC
DAC
RX_BYPASS
CTRL
Signals
Read back
Signals
TX_BOOST
TX_GAIN
TX_OC
TX_BW
LOL_POL
LOGIC
BYP
PIO4,
LINE_LPBCK/
CK/4
T X_DINV
TX_LOL
DAC
TX_LOL
LOLN
RX CDR
TX CDR
HOST_ LPBCK/
RX_ D I NV
RX_LT R
TX_ LTR
TXF ILT
RXFILT
TX_ BYPSEL[ 3:0]
DAC
CK/4
L OGIC
BYP
RX_BOOST
RX_BW
RX_GAIN
LOS_ POL
LOS/LOT
SET/ CLR
RX_OC
Thr
TX_BYPASS
DAC
DAC
DAC
DAC
DAC
LOS
Correction
VGA
LOOP_ENBL
OD
RX_OC_
Offset
CDD12
PB-VSC8239-001
RXIN+
RXIN–
RX_LOS
TXOUT+
TXOUT–
LINES IDE
Receive
Data In
Transmit
Data Out
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vsc8239 Summary of contents
Page 1
... Data In RX CDR Offset Correction RX_LT R HOST_ LPBCK/ RX_OC_ RX_ LOOP_ENBL LOS_ POL LOS RX_LOS LOS/LOT Thr DAC LINES IDE SET/ CLR DAC TX_ LTR TX CDR CK/4 TXOUT+ Transmit OD TXOUT– Data Out BYP L OGIC TX_BYPASS TX_ BYPSEL[ 3:0] TXF ILT CDD12 PB-VSC8239-001 ...
Page 2
... IC’s. The Tx LOL alarm signal is supported. Leveraging off the integration of transmit and receive path, the VSC8239 device provides diagnostics and line loopback modes that enable advanced XFP module level features such as a Built In Self Test (BIST) feature with programmable error detection capability. This facilitates high volume module manufacturing and system level setup ...