SY58038UMG

Signal Switches, Multiplexers, Decoders Overview

The SY58038UMG is an ultra-precision 8:1 multiplexer with internal termination and a 1:2 LVPECL fanout buffer. It supports DC to 4.5Gbps throughput and clock frequencies up to 5GHz. The device features less than 500ps propagation delay, less than 100ps rise/fall times, and less than 15ps output-to-output skew. Jitter performance includes less than 1ps RMS random jitter and less than 10ps peak-to-peak total jitter. It operates on a 2.5V ±5% or 3.3V ±10% supply within the -40°C to +85°C industrial temperature range.

Signal Switches, Multiplexers, Decoders Feature Summary

• Accepts AC- or DC-coupled differential inputs (CML, PECL, LVDS) as small as 100mV without external level shifting or termination networks
• Features patent-pending channel-to-channel isolation design for superior crosstalk performance
• Provides two precision, low-skew LVPECL output copies with 800mV swing
• Includes unique input termination architecture with VT pins for maximum interface flexibility

Signal Switches, Multiplexers, Decoders Applications

• Data communication systems
• SONET/SDH data/clock applications
• Fibre Channel applications
• Gigabit Ethernet applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix 'MG' corresponds to the MLF-44 package with NiPdAu lead finish and Pb-Free status. Confirm that the component is sourced from authorized channels to ensure authenticity, as the datasheet indicates Micrel, Inc. as the original manufacturer. Check for RoHS compliance documentation if required by your manufacturing standards.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when high-speed signal routing requires an 8:1 selection capability with minimal signal degradation. It is suitable for designs needing direct interfacing with various differential logic levels without additional discrete components. Ensure the system power supply aligns with the specified 2.5V or 3.3V operating ranges for optimal jitter performance.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Precision Edge product line, designed for low-jitter and low-skew applications in telecom and enterprise server distribution. It serves as a high-speed switching solution for distributing clock frequencies and data streams across complex digital systems requiring precise timing alignment.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SY58037UMG (CML Fanout), SY58039UMG (400mV LVPECL Fanout). Verify pin compatibility and output voltage swing requirements before substitution.

Signal Switches, Multiplexers, Decoders FAQ

How does the device handle different input coupling types?

The unique 3-pin input termination architecture allows direct interfacing to AC- or DC-coupled signals including CML, PECL, and LVDS without external level shifting or termination resistor networks.

What is the maximum operating frequency for clock signals?

The device guarantees operation for clock frequencies up to 5GHz, while supporting NRZ data rates up to 4.5Gbps.