SY89544UMI

Overview

The SY89544UMI is a differential 4:1 multiplexer from the Precision Edge family, operating on a single 2.5V supply with a guaranteed throughput of 3.2 Gbps. It features an LVDS-compatible output with a typical swing of 350 mV and internal input termination accessible via VT pins for AC or DC coupling. The device supports LVDS, LVPECL, and CML inputs within a 32-lead 5 mm x 5 mm QFN package, functioning across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Ultra-low jitter design with minimal crosstalk-induced noise
• Internal input termination network accessible through dedicated center-tap pins
• CMOS/TTL-compatible select inputs for straightforward control logic integration

Applications

• SONET/SDH channel selection
• Fibre Channel multi-channel selection
• Gigabit Ethernet multi-channel selection

Procurement Notes

Verify that the specific ordering suffix matches the required package type and temperature rating. Confirm RoHS compliance status and moisture sensitivity level requirements against your manufacturing process specifications before finalizing procurement orders.

Selection Notes

Select this component when a low-jitter differential multiplexer is required for high-speed serial data routing. Ensure the system power supply aligns with the specified 2.5V requirement and verify that the interface standards match the supported input types.

Part Context

This part belongs to Microchip's Precision Edge product family, designed for high-performance signal switching applications. It serves as a specialized solution for managing multiple differential signal sources into a single output path while maintaining signal integrity at high data rates.

Replacement Considerations

SY89544UMG