SY58040UMY-TR

Signal Switches, Multiplexers, Decoders Overview

The SY58040UMY-TR is a high-speed 4x4 CML crosspoint switch manufactured by Microchip Technology. It supports data rates up to 5Gbps and operates on a single power supply of 2.5V ±5% or 3.3V ±10%. The device provides ultra-low jitter with typical RMS phase jitter of 67fs and propagation delay under 350ps. It features internal 50Ω input termination, 400mV CML output swing, and low skew of less than 25ps. Packaged in a 44-pin QFN (7mm x 7mm) format, it functions within an industrial temperature range of -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides flexible crosspoint switching between any input pair to any output pair.
• Features unique patent-pending channel-to-channel isolation for superior crosstalk performance.
• Includes internal 50Ω input termination architecture accepting AC- or DC-coupled differential inputs.
• Delivers ultra-low jitter design optimized for precision signal distribution.

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 the component authenticity through official Microchip channels or authorized distributors. Confirm that the specific ordering suffix matches the required tape and reel packaging configuration. Ensure compliance with RoHS standards and check for any recent product change notifications regarding package revisions or assembly site updates before finalizing procurement orders.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when designing systems requiring precise routing of high-speed differential signals across multiple paths. It is suitable for environments demanding low jitter and minimal skew. Consider the internal termination capabilities to simplify interface circuitry. Evaluate the thermal requirements of the QFN package for adequate heat dissipation in dense PCB layouts.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Precision Edge family of high-speed logic devices from Microchip Technology. It serves as a critical interconnect solution in telecom and enterprise server/storage networks. The device replaces older discrete switching solutions by integrating complex routing logic into a compact surface-mount package.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct substitutes include other models within the SY58040U series, such as the tray-packaged SY58040UMY. Verify pin compatibility and electrical specifications against current designs before implementation.

Signal Switches, Multiplexers, Decoders FAQ

How does the device handle input termination?

The SY58040UMY-TR utilizes a unique 3-pin input termination architecture that internally terminates each side of the differential input pair to a VT pin through 50Ω resistors.

What is the maximum operating frequency for clock signals?

The device supports clock frequencies up to 3GHz, while NRZ data throughput is guaranteed up to 5Gbps.