SY58038UMY

Signal Switches, Multiplexers, Decoders Overview

The SY58038UMY is an ultra-precision 8:1 multiplexer with a 1:2 LVPECL fanout buffer. It operates from a 2.5V ±5% or 3.3V ±10% supply and supports DC to 4.5Gbps throughput. The device features a unique 3-pin input termination architecture accepting AC- or DC-coupled signals as small as 100mV. Outputs provide 800mV LVPECL swing with rise/fall times under 100ps. RMS phase jitter is typically 72fsrms at 622MHz carrier frequency.

Signal Switches, Multiplexers, Decoders Feature Summary

• Patented channel-to-channel isolation design for superior crosstalk performance
• Unique 3-pin input termination architecture directly interfaces to differential signals without external level shifting
• Ultra-low jitter design optimized for precision telecom and enterprise server distribution applications

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 component manufacturer origin, as the datasheet identifies Micrel Inc., while the model suffix may indicate Microchip Technology acquisition. Confirm package dimensions match the specified 44-pin (7mm × 7mm) QFN form factor. Ensure environmental compliance aligns with industrial temperature range requirements of –40°C to +85°C.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when low-jitter clock distribution and high-speed signal multiplexing are required. The internal termination simplifies interface design for CML, PECL, and LVDS inputs. Verify power supply voltage compatibility with either 2.5V or 3.3V rails before integration into the system architecture.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Precision Edge product line, designed for high-performance timing and communications markets. It serves as a critical component in enterprise and telecommunications infrastructure, providing reliable signal routing and buffering capabilities for high-speed digital networks.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SY58038UMY TR

Signal Switches, Multiplexers, Decoders FAQ

What types of differential signals can the SY58038UMY accept?

The device accepts CML, PECL, and LVDS signals, supporting both AC- and DC-coupled inputs with voltages as small as 100mV.

How does the input termination work on this multiplexer?

It utilizes a patented 3-pin input termination architecture where each side of the differential pair terminates to a VT pin through 50Ω, eliminating the need for external termination resistor networks.