SY89543LMI-TR

Signal Switches, Multiplexers, Decoders Overview

The SY89543LMI-TR is a dual, differential 2:1 LVDS multiplexer operating at data rates up to 3.2Gbps with guaranteed AC performance over temperature and voltage. It features an ultra-low jitter design with less than 1ps RMS random jitter and internal input termination accessible via VT pins for flexible interface compatibility. The device accepts CMOS/TTL compatible MUX select inputs and operates from a single 3.3V power supply within the industrial temperature range of -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 2:1 multiplexers with guaranteed AC performance over temperature and voltage
• Ultra-low jitter design minimizing crosstalk-induced noise
• Unique input isolation and internal termination network for interface flexibility
• CMOS/TTL compatible MUX select inputs

Signal Switches, Multiplexers, Decoders Applications

• Redundant clock/data switchover
• SONET/SDH multi-channel select applications
• Fiber Channel applications
• GigE applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify that the ordering suffix 'MI' corresponds to the MLF-32 package type and Industrial temperature range as specified in the official datasheet. Confirm the 'TR' suffix indicates Tape and Reel packaging. Ensure the component meets RoHS requirements if applicable to your specific manufacturing standards.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a dual 2:1 differential multiplexer with low jitter is required for high-speed data transmission. It is suitable for applications needing internal termination to simplify PCB layout. Consider alternative parts like the SY89542U if a 2.5V supply is preferred instead of the standard 3.3V operation.

Signal Switches, Multiplexers, Decoders Part Context

The SY89543L belongs to Micrel's Precision Edge product family, designed for high-frequency, precision applications. It integrates two differential multiplexers into a compact 32-pin MLF package, optimizing signal integrity for demanding communication protocols.

Signal Switches, Multiplexers, Decoders Replacement Considerations

The SY89542U serves as a functional substitute for designs requiring a 2.5V supply instead of 3.3V. Other related devices include the SY89545L and SY89547L for 4:1 multiplexing needs.

Signal Switches, Multiplexers, Decoders FAQ

How does the SY89543L handle different logic standards?

It features unique input termination and VT pins that accept DC-coupled and AC-coupled inputs for LVDS, LVPECL, and CML standards without external resistor-bias networks.

What is the maximum operating frequency?

The device supports a maximum operating frequency of 3.2 Gbps for NRZ data and up to 3 GHz for clock signals.