SY89543LMG-TR

Signal Switches, Multiplexers, Decoders Overview

The SY89543LMG-TR is a dual 2:1 differential multiplexer from the Precision Edge family, manufactured by Microchip Technology. It operates on a single 3.3V supply and supports data rates up to 3.2Gbps. The device features internal input termination accessible via VT pins, accommodating LVDS, LVPECL, and CML standards with AC or DC coupling. Key electrical parameters include a propagation delay of 310ps to 510ps, output swing of 250mV to 350mV, and jitter performance under 1ps RMS random jitter. It is housed in a 32-pin MLF package.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 2:1 differential multiplexing architecture with guaranteed AC performance across temperature and voltage ranges
• Internal input termination network accessible through center-tap pins for flexible interface compatibility
• Ultra-low jitter design supporting high-speed signal integrity requirements
• CMOS/TTL compatible select inputs for straightforward control logic integration

Signal Switches, Multiplexers, Decoders Applications

• Redundant clock and data switchover systems
• SONET/SDH multi-channel selection applications
• Fiber Channel interconnects
• Gigabit Ethernet implementations

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix 'TR' corresponds to the tape and reel packaging configuration required for automated assembly processes. Confirm that the component meets RoHS3 compliance standards as indicated in manufacturer documentation. Ensure the selected variant matches the industrial temperature range specifications necessary for the intended operational environment.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a dual independent 2:1 multiplexer is required for differential signaling applications. Consider the internal termination feature if external biasing networks are undesirable. Evaluate the 3.3V supply requirement against system power constraints. Verify that the 32-pin MLF package dimensions fit within the available PCB real estate and thermal management capabilities.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Precision Edge series of high-speed logic devices originally developed by Micrel, now part of Microchip Technology. The series focuses on low-jitter multiplexers and buffers for telecommunications and networking infrastructure. The SY89543L specifically addresses the need for compact, high-performance switching solutions in dense electronic designs requiring reliable signal routing at multi-gigabit speeds.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SY89542U serves as a 2.5V equivalent alternative within the same functional family.