VSC7145 Vitesse Semiconductor Corp., VSC7145 Datasheet
VSC7145
Manufacturer Part Number
VSC7145
Description
Dual speed 10-bit serializer/deserializer. 3.3V, 800mW
Manufacturer
Vitesse Semiconductor Corp.
Datasheet
1.VSC7145.pdf
(2 pages)
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Dual Speed 10-bit Serializer/Deserializer
www.vitesse.com
Features and Benefits
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Dual Speed Operation:
- Fibre Channel: 1.06/2.12 Gb/s
- Gigabit Ethernet: 1.25 Gb/s
- InfiniBand
10-bit, SSTL_2 or SSTL_3
Interface
HSPI Interface Compliant
ASIC-Friendly
Transmitter
Separate Transmitter/Receiver
Rate Controls support Auto
Speed Negotiation
No Passives needed on High
Speed Signals
On-chip, 100 Ohm Termination
Write Pre-Emphasis in
Transmitter
Cable Equalization in Receiver
Analog/Digital Signal Detection
Flexible Reference Clock
Single 3.3V Supply, 800mW
64-pin, 14 mm PQFP Package
Pin Compatible to Agilent
HDMP-263x
Communication
Products
Storage
TM
: 2.5 Gb/s
TM
Timing to the
VSC7145
General Description
The VSC7145 is a dual-speed Fibre
Channel, Gigabit Ethernet and
InfiniBand Serializer/Deserializer
(SerDes) optimized for performance
and power in an industry-standard
pinout. It accepts 10-bits of SSTL, 8B/
10B encoded transmit data, latches it
synchronously to the Transmit Byte
Clock (TBC) and serializes it onto the
SO differential output at a baud rate
which is 10, 20 or 40 times the
REFCLK frequency. The VSC7145
samples serial receive data on the SI
input, recovers the clock and data,
deserializes it onto a 10-bit SSTL bus
and outputs two recovered clocks at
1/10
disparities of the K28.5 characters are
InfiniBand
ASIC-Friendly
th
or 1/20
TM/SM
TM
is a trademark and service mark of the InfiniBand Trade Association
is a trademark of Vitesse Semiconductor Corporation
th
of the baud rate. Both
Product Brief
detected and used for aligning the
serial data to the parallel output bus.
Independent speed selectors control
the transmitter and receiver separately
to support industry-standard auto-
matic speed negotiation protocols. A
combined analog/digital signal detect
circuit indicates the presence of valid
signal levels on the SI input. The
VSC7145 contains on-chip PLL
circuitry for synthesis of the bit rate
transmit clock, and extraction of the
clock from the received serial stream.
The parallel bus of the VSC7145 is
compliant with the High Speed Parallel
Interface (HSPI) standard developed
by the T11.2 Fibre Channel
Committee.
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VSC7145 Summary of contents
Page 1
... VSC7145 contains on-chip PLL circuitry for synthesis of the bit rate transmit clock, and extraction of the clock from the received serial stream. The parallel bus of the VSC7145 is compliant with the High Speed Parallel Interface (HSPI) standard developed by the T11.2 Fibre Channel Committee. ...
Page 2
... Gigabit Ethernet -NICs -Switches -Proprietary Uplinks • InfiniBand -Host Channel Adapters -Target Channel Adapters -Switches • Proprietary Serial Links www.vitesse.com VSC7145 VSC7145 Block Diagram 10 Serial R(0:9) Parallel RXRATE RBCSYNC RBC0 RBC1 Comma COMDET Detect ENCDET RX_LOS ...