SY58037UMI

Signal Switches, Multiplexers, Decoders Overview

The SY58037UMI is an ultra-precision 8:1 multiplexer with a 1:2 CML fanout buffer. It supports DC to 5Gbps throughput and clock frequencies up to 4GHz. Key electrical parameters include less than 450ps propagation delay, less than 70ps rise/fall time, and less than 15ps output-to-output skew. Jitter performance features less than 1ps RMS random jitter and less than 10ps peak-to-peak total jitter. The device operates on a 2.5V ±5% or 3.3V ±10% supply within the -40°C to +85°C temperature range.

Signal Switches, Multiplexers, Decoders Feature Summary

• Features unique patent-pending channel-to-channel isolation design for superior crosstalk performance.
• Includes internal input termination architecture accepting AC- or DC-coupled signals without external level shifting.
• Provides low skew differential CML outputs with 50Ω source termination to minimize reflections.

Signal Switches, Multiplexers, Decoders Applications

• SONET/SDH data and clock applications
• Fibre Channel applications
• Gigabit Ethernet applications

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and lead finish. Confirm that the component meets RoHS compliance requirements for your region. Ensure proper handling procedures are followed due to moisture sensitivity classification. Validate thermal management strategies for the QFN package during integration.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for high-speed telecom and enterprise server distribution where low jitter and precision timing are critical. The integrated input termination simplifies interface design for various signal standards. Consider the 44-pin QFN package constraints for PCB layout and thermal dissipation requirements in dense designs.

Signal Switches, Multiplexers, Decoders Part Context

This device belongs to Micrel’s Precision Edge product line, designed for high-speed, low-jitter applications. It serves as a multiplexer solution for distributing clock frequencies and data streams in telecommunications and networking infrastructure. The part integrates multiple functions into a single compact package to reduce board space.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SY58038UMY

Signal Switches, Multiplexers, Decoders FAQ

What types of input signals does the SY58037U accept?

The device accepts AC- or DC-coupled differential signals such as CML, PECL, and LVDS with amplitudes as small as 100mV.

How is the input termination handled in this multiplexer?

It utilizes a unique 3-pin input termination architecture that internally terminates each differential pair to a VT pin through 50Ω resistors.