PM8379 데이터 시트보기 (PDF) - PMC-Sierra
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PM8379 Datasheet PDF : 2 Pages
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20-Port 4.25 Gbit/s FC-AL Cut-Through Switch
HIGH-SPEED INTERFACE
• Independent per-channel selectable
high-speed outputs support 8 levels of
programmable pre-emphasis and 8
levels of output swing. Selectable pre-
emphasis counteracts dielectric losses
and allow maximum reach on printed
circuit boards.
• Independent per-channel selectable
high-speed inputs support 30 levels of
programmable receive equalization for
improved signal integrity.
• Integrated 100 Ω differential
termination for signal integrity, smaller
solution footprint, and lower
component count.
TEST AND CONTROL
• Supports optional 2-pin serial
management interface using
selectable Two-Wire Interface (TWI)
protocol for configuration and
diagnostic access.
• Digital Loss of Link (DLOLB) detect
outputs for monitoring individual or
multiple links. DLOLB can be
programmed to indicate excessive
8B/10B code error rate, loss of
synchronization, loss of signal, CRC32
errors, or comma density.
• External control pins can be overridden
by registers.
• Interrupt output to flag changes in
bypass state and DLOLB error
conditions.
• Supports built-in self-test (BIST) via
internal Fibre Channel pattern
generation and checking.
• Supports internal serial loop back
modes for each port for testing and
debugging.
TYPICAL APPLICATIONS
Fibre Channel Disk Enclosure
PM8379 CTS 20x4G
• Provides a standard 5-signal IEEE
1149.1 JTAG test port for boundary
scan board testing purposes.
PHYSICAL
• 0.13 um (1.2 V Core and 3.3 V I/O
supply) CMOS technology.
• 27 mm x 27 mm 352-pin CSBGA+.
• Ultra-low operating power of 6.5 W
typical with all 20 channels active at
4.250 Gbit/s.
APPLICATIONS
• SBOD Storage Systems.
• MBOD Storage Systems.
• RAID Storage Systems.
• JBOD Storage Systems.
• FC to SATA Storage Systems.
• FC-AL Nodes.
• Fibre Channel Hubs.
• 1.0625, 2.125, and 4.25 Gbit/s
Backplanes.
18 Disk SBOD/MBOD/JBOD
1.0625 or
2.125 or
4.25 Gbit/s
FC Link
Link Card for HDD Port A
FC
Port
Optics
PM8378
CTS 20x4G
Disk 0
•
•
•
Disk 4
•
•
•
Disk 5
•
•
•
Disk 10
•
•
•
Disk 11
•
•
•
Disk 17
Note: Each signal contains
one Bypass and one FC Port line.
Link Card for HDD Port B
PM8378
CTS 20x4G
FC
Port Optics
1.0625 or
2.125 or
4.25 Gbit/s
FC Link
18 Disk SBOD/MBOD/JBOD
Link Card for HDD Port A
PM8378
CTS 20x4G
Additional
Disk
Enclosure
Disk 0
•
•
•
Disk 4
•
•
•
Disk 5
•
•
•
Disk 10
•
•
•
Disk 11
•
•
•
Disk 17
Note: Each signal contains
one Bypass and one FC Port line.
Link Card for HDD Port B
PM8378
CTS 20x4G
Additional
Disk
Enclosure
Head Office:
PMC-Sierra, Inc.
8555 Baxter Place
Burnaby, B.C. V5A 4V7
Canada
Tel: 1.604.415.6000
Fax: 1.604.415.6200
To order documentation,
send email to:
document@pmc-sierra.com
or contact the head office,
Attn: Document Coordinator
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
PMC-2031144 (a2)
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
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