Microchip SY58610U Bedienungsanleitung
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SY58610U
3.2Gbps Precision, LVPECL 2:1 MUX with
Internal Termination and Fail Safe Input
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 9440800 • f-ax + 1 (408) 474000 • http://www.micrel.com-1
August 2007M9999082907--C
hbwhelp@micrel.com-or (408) 9551690
General Description
The SY58610U is a 2.5/3.3V, highspeed, fully -
differential LVPECL 2:1 MUX capable of processing
clock signals up to 2.5GHz and data patterns up to
3.2Gbps. The SY58610U is optimized to provide a
buffered output of the selected input with less than
10pspp total jitter.
The differential input includes Micrel’s unique, 3-pin
input termination architecture that interfaces to LVPECL,
LVDS or CML differential signals, (ACor DC- -coupled)
as small as 100mV (200mVPP) without any level- shifting
or termination resistor networks in the signal path. For
AC-coupled input interface applications, an integrated
reference voltage (VREF-AC) is provided to bias the VT pin.
The outputs are 800mV LVPECL, with extremely fast
rise/fall times guaranteed to be less than 130ps.
The SY58610U operates from a 2.5V ±5% supply or
3.3V ±10% supply and is guaranteed over the full
industrial temperature range (40°C to +85°C). For –
applications that require CML or LVDS outputs, consider
Micrel’s SY58609U and SY58611U, 2:1 MUX with
400mV and 325mV output swings, respectively. The
SY58610U 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.
Functional Block Diagram
Precision Edge®
Features
•Precision 800mV LVPECL 2:1 MUX
•Guaranteed AC performance over temperature and
voltage:
–-DCto > 3.2Gbps throughput
–--<370ps propagation delay (INtoQ)
–<130ps rise/fall times
•Fail Safe Input
–Prevents outputs from oscillating when input is
invalid
•Unique, patented MUX input isolation design
minimizes adjacent channel crosstalk
•Ultra-low jitter design
– <1psRMS--cycletocycle jitter
– <10psPP total jitter
– <1psRMS random jitter
– <10psPP deterministic jitter
•High-speed LVPECL outputs
•2.5V ±5% or 3.3V ±10% power supply operation
•Industrial temperature range: –40°C to +85°C
•Available in 16-pin (3mm x 3mm) QFN package
Applications
•All SONET clock distribution
•Fibre Channel clock and data distribution
•Gigabit Ethernet clock and data distribution
•Backplane distribution.
Markets
•Storage
•ATE
•Test and measurement
•Enterprise networking equipment
•High-end servers
PrecisiEdge isegistertrademarkficrel, Inc.on a red o M
Produktspezifikationen
| Marke: | Microchip |
| Kategorie: | Nicht kategorisiert |
| Modell: | SY58610U |
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