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SY89546U

Micrel Semiconductor
Part Number SY89546U
Manufacturer Micrel Semiconductor
Description 3.2Gbps DIFFERENTIAL 4:1 LVDS MULTIPLEXER
Published Mar 5, 2012
Detailed Description SY89546U 2.5V, 3.2Gbps Differential 4:1 LVDS Multiplexer with 1:2 Fanout and Internal Termination General Description T...
Datasheet PDF File SY89546U PDF File

SY89546U
SY89546U

Overview
SY89546U 2.
5V, 3.
2Gbps Differential 4:1 LVDS Multiplexer with 1:2 Fanout and Internal Termination General Description The SY89546U is a precision, High-speed 4:1 differential multiplexer that provides two copies of the selected input.
The high speed LVDS (350mV) compatible outputs with a guaranteed throughput of up to 3.
2Gbps over temperature and voltage.
The SY89546U differential inputs include Micrel’s unique 3-pin internal termination design 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 SY89546U 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 SY89547L.
Or, for applications that only require one differential output, consider the SY89544U or SY89545L.
The SY89546U is part of Micrel’s Precision Edge® product family.
Features • Selects among four differential inputs • Provides two copies of the selected input • Guaranteed AC parameters over temp/voltage: – DC-to>3.
2Gbps data rat throughput – <620ps In-to-Out tpd – <150ps tr/tf time • Unique input isolation design minimize crosstalk • Ultra-low jitter design: – <1psRMS random jitter – <10psPP deterministic jitter – <10psPP total jitter (clock) – <0.
7psRMS corsstalk-induced jitter • Internal input termination • Unique input termination and VT pin accepts DCcoupled and AC-coupled inputs (LVDS, LVPECL, CML) • 350mV LVDS output swing • Power supple 2.
5V ±5% • –40°C to +85°C temperature range • Availabe in 32-pin (5mmx5mm) MLF® package Data sheets and support documentation can be found on Micrel’s web site at: www.
micrel.
com.
Applications • SONET/SDH multi-channel select applications • Fibre Channel applications • GigE application _________________...


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