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SY58608U_10

Description
3.2Gbps Precision, 1:2 LVDS Fanout Buffer
File Size644KB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet View All

SY58608U_10 Overview

3.2Gbps Precision, 1:2 LVDS Fanout Buffer

SY58608U
3.2Gbps Precision, 1:2 LVDS Fanout Buffer
with Internal Termination and Fail Safe Input
General Description
The SY58608U is a 2.5V, high-speed, fully differential
1:2 LVDS fanout buffer optimized to provide two
identical output copies with less than 20ps of skew and
less than 10ps
PP
total jitter. The SY58608U can process
clock signals as fast as 2GHz or data patterns up to
3.2Gbps.
The differential input includes Micrel’s unique, 3-pin
input termination architecture that interfaces to LVPECL,
LVDS or CML differential signals, (AC- or DC-coupled)
as small as 100mV (200mV
PP
) without any level-shifting
or termination resistor networks in the signal path. For
AC-coupled input interface applications, an integrated
voltage reference (V
REF-AC
) is provided to bias the V
T
pin.
The outputs are 325mV LVDS, with rise/fall times
guaranteed to be less than 100ps.
The SY58608U operates from a 2.5V ±5% supply and is
guaranteed over the full industrial temperature range (–
40°C to +85°C). For applications that require CML or
LVPECL outputs, consider Micrel’s SY58606U and
SY58607U, 1:2 fanout buffers with 400mV and 800mV
output swings respectively. The SY58608U 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
®
Features
Precision 1:2, 325mV LVDS fanout buffer
Guaranteed AC performance over temperature and
voltage:
– DC-to > 3.2Gbps throughput
– <300ps propagation delay (IN-to-Q)
– <20ps within-device skew
– <100ps rise/fall times
Fail Safe Input
– Prevents outputs from oscillating when input is
invalid
Ultra-low jitter design
– <1ps
RMS
cycle-to-cycle jitter
– <10ps
PP
total jitter
– <1ps
RMS
random jitter
– <10ps
PP
deterministic jitter
High-speed LVDS outputs
2.5V ±5% power supply operation
Industrial temperature range: –40°C to +85°C
Available in 16-pin (3mm x 3mm) QFN package
Functional Block Diagram
Applications
All SONET clock and data distribution
Fibre Channel clock and data distribution
Gigabit Ethernet clock and data distribution
Backplane distribution
Markets
DataCom
Telecom
Storage
ATE
Test and Measurement
Precision Edge is a registered trademark of Micrel, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
October 2006
M9999-102706-A
hbwhelp@micrel.com
or (408) 955-1690
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