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SY58040U_07 Datasheet(PDF) 1 Page - Micrel Semiconductor

Part No. SY58040U_07
Description  ULTRA PRECISION 4 4 CML SWITCH WITH INTERNAL I/O TERMINATION
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Maker  MICREL [Micrel Semiconductor]
Homepage  http://www.micrel.com
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SY58040U
Micrel, Inc.
M9999-020707
hbwhelp@micrel.com or (408) 955-1690
Rev.: D
Amendment: /0
Issue Date:
February 2007
DESCRIPTION
■ Provides crosspoint switching between any input
pair to any output pair
■ Guaranteed AC performance over temperature and
voltage:
• DC to >5Gbps throughput
• <350ps propagation delay
• <60ps tr /tf times
• <25ps skew (output-to-output)
■ Unique, patent-pending, channel-to-channel
isolation design provides superior crosstalk
performance
■ Ultra-low jitter design:
• <1psRMS random jitter
• <10psPP deterministic jitter
• <10psPP total jitter (clock)
• <0.7psRMS crosstalk-induced jitter
■ Unique, patent-pending, 50input termination
extended CMVR, and VT pin accepts DC- and AC-
coupled differential inputs
■ 400mV CML output swing
■ 50source terminated outputs minimize round-trip
reflections
■ Power supply 2.5V ±5% or 3.3V ±10%
■ –40°C to +85°C temperature range
■ Available in 44-pin (7mm ×
×
×
×
× 7mm) MLF® package
■ Pb-Free green package
FEATURES
ULTRA PRECISION 4×
×
×
×
×4 CML
SWITCH WITH INTERNAL
I/O TERMINATION
Precision Edge®
SY58040U
APPLICATIONS
■ Data communication systems
■ All SONET/SDH data/clock applications
■ All Fibre Channel applications
■ All Gigabit Ethernet applications
The SY58040U is a low jitter, low skew, high-speed 4×4
crosspoint switch optimized for precision telecom and
enterprise server/storage distribution applications. The
SY58040U distributes clock frequencies from DC to 4GHz,
and data rates to 5Gbps guaranteed over temperature and
voltage.
The SY58040U differential input includes Micrel’s unique,
3-pin input termination architecture that directly interfaces
to any differential signal (AC or DC-coupled) as small as
100mV (200mVpp) without any level shifting or termination
resistor networks in the signal path. The outputs are 50Ω
source-terminated CML with extremely fast rise/fall times
guaranteed to be less than 60ps.
The SY58040U features a patent-pending isolation design
that significantly improves on channel-to-channel crosstalk
performance.
The SY58040U operates from a 2.5V ±5% or 3.3V ±10%
supply and is guaranteed over the full industrial temperature
range of –40°C to +85°C. The SY58040U is part of Micrel’s
high-speed, Precision Edge® product line.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Precision Edge is a registered trademark of Micrel, Inc.
MLF and
MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
Precision Edge®




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