SY58039UMY

Signal Switches, Multiplexers, Decoders Overview

The SY58039UMY is an ultra-precision 8:1 multiplexer with a 1:2 fanout buffer, designed for high-speed signal routing. It supports data rates up to 5Gbps and clock frequencies up to 4GHz. The device features internal termination accepting AC- or DC-coupled inputs as small as 100mV without external components. It provides two differential LVPECL outputs with a typical 400mV swing. Key performance metrics include less than 85ps rise/fall times, less than 15ps output-to-output skew, and 80fs rms phase jitter at 622MHz.

Signal Switches, Multiplexers, Decoders Feature Summary

• Ultra-low jitter design optimized for precision telecom and enterprise server distribution applications
• Unique patent-pending channel-to-channel isolation architecture providing superior crosstalk performance
• Integrated input termination and VT pin interface supporting CML, PECL, and LVDS signals directly
• Guaranteed AC performance over the full industrial temperature range and voltage variations

Signal Switches, Multiplexers, Decoders Applications

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

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized Microchip Technology distributors. Confirm package integrity and moisture sensitivity level handling procedures prior to assembly. Ensure supply chain documentation matches the specific ordering suffix and manufacturing lot codes required for production validation.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when precise signal routing between multiple sources is required with minimal timing distortion. The integrated termination simplifies board layout by eliminating external resistor networks. Verify that the 400mV LVPECL output swing aligns with downstream receiver requirements and that the 44-pin QFN package fits the thermal constraints of the target enclosure.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to Micrel's Precision Edge product line, which focuses on high-speed logic solutions. The SY58039U specifically addresses the need for low-skew multiplexing in high-bandwidth environments. It serves as a critical interface component in complex digital systems requiring reliable data path selection.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SY58037UMI

Signal Switches, Multiplexers, Decoders FAQ

How does the device handle input termination?

The SY58039U utilizes a unique 3-pin input termination architecture where each side of the differential input pair terminates to a VT pin through 50 ohms, allowing direct interfacing with various signal types.

What is the maximum operating frequency?

The device guarantees throughput up to 5Gbps for NRZ data and supports clock frequencies up to 4GHz (with a maximum specification of 5.5GHz under certain conditions).