SY89542UMG

Signal Switches, Multiplexers, Decoders Overview

The SY89542UMG is a dual differential 2:1 LVDS multiplexer from the Precision Edge family, operating on a single 2.5V supply within the -40°C to +85°C range. It supports data rates up to 3.2Gbps with guaranteed AC performance over temperature and voltage. The device features ultra-low jitter design, including less than 1ps RMS random jitter and less than 10ps peak-to-peak deterministic jitter. It utilizes internal input termination accessible via VT pins for flexible interface compatibility.

Signal Switches, Multiplexers, Decoders Feature Summary

• Dual 2:1 multiplexers with guaranteed AC performance over temperature and voltage
• Ultra-low jitter design minimizing crosstalk and signal degradation
• 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
• Fibre Channel applications
• GigE applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix (e.g., TR for tape and reel) against the manufacturer's current datasheet to ensure correct packaging and lead finish specifications. Confirm RoHS compliance status and package marking details prior to procurement to align with assembly requirements.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for high-speed differential signal routing requiring low jitter and minimal external components. Consider the SY89543L if a 3.3V supply is required instead of the standard 2.5V operation. Ensure PCB layout accommodates the exposed pad for thermal management in the MLF-32 package.

Signal Switches, Multiplexers, Decoders Part Context

Part of Micrel’s Precision Edge product family, designed for high-performance timing and switching applications. The SY89542U integrates two precision multiplexers into a compact 32-pin MLF package, reducing board space and simplifying design by eliminating external biasing networks.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SY89543L

Signal Switches, Multiplexers, Decoders FAQ

How does the device handle different logic standards?

The unique input termination and VT pin allow the device to accept DC-coupled and AC-coupled inputs from LVDS, LVPECL, and CML standards without external resistor-bias networks.

What is the maximum operating frequency?

The device guarantees a data rate throughput of greater than 3.2Gbps for NRZ data and supports clock frequencies up to 4GHz.