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SY58040UMYTR 其他数据使用手册 - Micrel（迈瑞）
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Micrel（迈瑞）
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接口芯片
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SY58040UMYTR数据手册
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1
SY58040U
Micrel, Inc.
M9999-112707
hbwhelp@micrel.com or (408) 955-1690
Rev.: F Amendment: /0
Issue Date: November 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 t
r
/t
f
times
• <25ps skew (output-to-output)
■ Unique, patent-pending, channel-to-channel
isolation design provides superior crosstalk
performance
■ Ultra-low jitter design:
• <1ps
RMS
random jitter
• <10ps
PP
deterministic jitter
• <10ps
PP
total jitter (clock)
• <0.7ps
RMS
crosstalk-induced jitter
■ Unique, patent-pending, 50Ω input termination
extended CMVR, and VT pin accepts DC- and AC-
coupled differential inputs
■ 400mV CML output swing
■ 50Ω source 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 (200mV
pp
) 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.
Datasheets 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
Micro
LeadFrame are registered trademarks of Amkor Technology, Inc.
Precision Edge
®
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