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SY89542U

Micrel Semiconductor
Part Number SY89542U
Manufacturer Micrel Semiconductor
Description DIFFERENTIAL 2:1 LVDS MULTIPLEXER
Published Dec 3, 2006
Detailed Description Micrel, Inc. 2.5V, 3.2Gbps DUAL, DIFFERENTIAL 2:1 LVDS MULTIPLEXER WITH INTERNAL TERMINATION Precision Edge® Precision...
Datasheet PDF File SY89542U PDF File

SY89542U
SY89542U

Overview
Micrel, Inc.
2.
5V, 3.
2Gbps DUAL, DIFFERENTIAL 2:1 LVDS MULTIPLEXER WITH INTERNAL TERMINATION Precision Edge® Precision ESdY8g9e5®42U SY89542U FEATURES ■ Dual 2:1 multiplexer ■ Guaranteed AC performance over temp and voltage: • DC-to > 3.
2Gbps data rate throughput • < 600ps In-to-Out tpd • < 150ps tr/tf ■ Ultra-low jitter design: • < 1psRMS random jitter • < 10psPP deterministic jitter • < 10psPP total jitter (clock) • < 0.
7psRMS crosstalk-induced jitter ■ Unique input isolation design minimizes crosstalk ■ Internal input termination ■ Unique input termination and VT pin accepts DC-Coupled and AC-coupled inputs (LVDS, LVPECL, CML) ■ 350mV LVDS output swing ■ CMOS/TTL compatible MUX select ■ Power supply 2.
5V ±5% ■ –40°C to +85°C temperature range ■ Available in 32-pin (5mm x 5mm) MLF® package APPLICATIONS DESCRIPTION Precision Edge® The SY89542U includes two precision, high-speed 2:1 differential Muxes with LVDS (350mV) compatible outputs with a guaranteed data rate throughput of 3.
2Gbps over temperature and voltage.
The SY89542U differential inputs include a unique, 3-pin internal termination that allows access to the termination network through a VT pin.
This feature allows the device to easily interface to different logic standards, both AC- and DC-coupled without external resistor-bias and termination networks.
The result is a clean, stub-free, low jitter interface solution.
The SY89542U operates from a single 2.
5V supply, and is guaranteed over the full industrial temperature range (–40°C to +85°C).
For applications that require a 3.
3V supply, consider the SY89543L.
The SY89542U is part of Micrel’s Precision Edge® product family.
All support documentation can be found on Micrel’s web site at www.
micrel.
com.
■ Redundant clock/data switchover ■ SONET/SDH multi-channel select applications ■ Fibre Channel applications ■ GigE applications FUNCTIONAL BLOCK DIAGRAM INA0 50Ω VTA0 50Ω /INA0 2:1 MUX 0 MUX A INA1 50Ω VTA1 50Ω /INA1 1S SELA (CMOS/TTL) INB0 50Ω...


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