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Head Office:
PMC-Sierra, Inc.
8555 Baxter Place
Burnaby, B.C. V5A 4V7
Canada
Tel: 1.604.415.6000
Fax: 1.604.415.6200
4-Port Gigabit Ethernet and 1/2G Fibre Channel Repeater or Retimer
To order documentation,
send email to:
document@pmc-sierra.com
or contact the head office,
Attn: Document Coordinator
PMC-2030741 (R2)
For a complete list of PMC-Sierra’s
trademarks, see our web site at
http://www.pmc-sierra.com/legal/
.
Other product and company names
mentioned herein may be the trademarks of
their respective owners.
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
PM8385 QuadPHY RT
All product documentation is available
on our web site at:
http://www.pmc-sierra.com
For corporate information,
send email to:
info@pmc-sierra.com
Q
uadPHY RT as Dual Bi-directional Gigabit Ethernet Retimer
EXAMPLE APPLICATIONS
PM8352
OctalPHY
1G
MAC/Port
Controller ASIC
PM8352
OctalPHY
1G
Switch ASIC w/
Integrated
SERDES
B
a
c
k
p
l
a
n
e
Connector
Copper SFP
Copper SFP
Copper SFP
Optical SFP
Optical SFP
SFP Socket
SFP Socket
SFP Socket
Connector
Flexible Gigabit Ethernet Line Card
Serial Links Exceed
Jitter Specifications
Serial Backplane Links
up to 48" + 2 connections
GMII/TBI Interface
PM8373
HexPHY
1GR
MAC/Port
Controller ASIC
PM8373
HexPHY
1G
Connector
Optical SFP
Copper SFP
Copper SFP
Optical SFP
Copper SFP
SFP Socket
Flexible Gigabit Ethernet Line Card
Serial Links Exceed
Jitter Specifications
Serial Backplane Links
up to 48" + 2 connections
5 bit RGMII/TBI Interface
Switch Fabric
Connector
PM8385
QuadPHY RT
PM8385
QuadPHY RT
• Compliant RPAT test.
• Low Transition Density Pattern.
• Compliant Jitter Tolerance.
• Low Frequency Patter.
• Supply Noise Pattern.
• Internal serial loopback modes for
testing and debugging.
• Multple device control options for
configuration and diagnostic access:
• External control pins with register
override.
• 2-pin serial Two-Wire Interface.
• 2-pin serial MDC/MDIO.
• Provides a standard 5-signal IEEE
1149.1 JTAG test port for boundary
scan board testing purposes.
PHYSICAL
• 0.18 um CMOS, 1.8V and 3.3V supply.
• Small 15mm x 15mm footprint 196-pin
BGA with 1mm ball pitch.
• Ultra-low operating power of 1.1W
typical with all 4 channels active at
1.25 Gbit/s .
• Extended temperature range of -40°C
to +85°C for challenging system
environments.
APPLICATIONS
• High-speed backplane driver operating
from 1.0625 Gbit/s to 2.125 Gbit/s
including 1.25 Gbit/s for Gigabit
Ethernet.
• Distributed switch fabrics or protection
switches via data bi-cast, multi-cast or
broadcast to fabric elements.
• Enterprise Ethernet or Fibre Channel
switches.
• Gigabit Ethernet Retimer including
1000BASE-CX driver.
• Fibre Channel retimer.
• Wireless base-station interconnect.
• Performance computing and blade
server systems.
• Aerospace, scientific, and medical
imaging systems.
• Digital broadcast video.
• Inter-medium connections.
PM8385
QuadPHY RT
Retransmitted 2 G Serial Backplane After Retimer2 G Serial Backplane After 60" Before Retimer