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SY58025U

Micrel Semiconductor
Part Number SY58025U
Manufacturer Micrel Semiconductor
Description Ultra Precision Dual 2:1 CML Mux
Published Apr 30, 2007
Detailed Description Micrel, Inc. Precision Edge® ULTRA PRECISION DUAL 2:1 CML Precision ESdY5g8e0®25U MUX WITH INTERNAL I/O TERMINATION ...
Datasheet PDF File SY58025U PDF File

SY58025U
SY58025U

Overview
Micrel, Inc.
Precision Edge® ULTRA PRECISION DUAL 2:1 CML Precision ESdY5g8e0®25U MUX WITH INTERNAL I/O TERMINATION SY58025U FEATURES „ Two independent differential 2:1 multiplexers „ Guaranteed AC performance over temperature and voltage: • DC-to >10.
7Gbps data rate throughput • <290ps IN-to-Out tpd • <70ps tr / tf times „ Unique, patent-pending input isolation design minimizes crosstalk „ Ultra-low jitter design: • <1psRMS random jitter • <10psPP deterministic jitter • <10psPP total jitter (clock) • <0.
7psRMS crosstalk-induced jitter „ Unique, patent-pending 50ý input termination and VT pin accepts DC-coupled and AC-coupled inputs (CML, LVDS, PECL) „ Typical 400mV CML output swing (RL = 50ý) „ Internal 50ý input termination „ Power supply 2.
5V ±5% or 3.
3V ±10% „ –40°C to +85°C temperature range „ Available in 32-pin (5mm ∞ 5mm) MLF® package APPLICATIONS „ Data communication systems „ All SONET OC3-OC-768 applications „ All Fibre Channel applications „ All GigE applications FUNCTIONAL BLOCK DIAGRAM DESCRIPTION Precision Edge® The SY58025U features two ultra-fast, low jitter 2:1 differential muxes with a guaranteed maximum data or clock throughput of 10.
7Gbps or 7GHz, respectively.
The SY58025U differential inputs include a unique, internal termination design that allows access to the termination network through a VT pin.
The device easily interfaces to different logic standards, both AC- and DCcoupled, without external resistor-bias and termination networks.
The result is a clean, stub-free, low jitter interface solution.
The differential CML output is optimized for 50ý environments with internal 50ý source termination and a 400mV output swing.
The SY58025U operates from a 2.
5V or 3.
3V supply and is guaranteed over the full industrial temperature range (–40°C to +85°C).
The SY58025U is part of Micrel’s Precision Edge® product family.
All support documentation can be found on Micrel’s web site at www.
micrel.
com.
INA0 50Ω VTA0 50Ω /INA0 VREF-ACA0 INA1 50Ω V...


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