SY55858UHI-TR

Signal Switches, Multiplexers, Decoders Overview

The SY55858UHI-TR is a low-voltage, high-speed dual 2 x 2 crosspoint switch from the SuperLite family. It features a non-blocking architecture allowing any input to connect to any output. The device accepts CML or PECL inputs and provides fully differential CML outputs with 50Ω compatibility. It operates on a single supply voltage ranging from 2.3V to 3.6V and supports data rates up to 3.0 Gbps. The unit is housed in a 32-pin EPAD-TQFP package.

Signal Switches, Multiplexers, Decoders Feature Summary

• Non-blocking crosspoint architecture enabling flexible signal routing between inputs and outputs
• Configurable as dual 2:1 mux, dual 1:2 fanout buffer, 1:4 fanout buffer, quad buffer, or dual 2 x 2 switch
• Unique internal termination design with VT pins for DC-coupled and AC-coupled CML or PECL signals
• TTL/CMOS compatible control logic for straightforward interface integration

Signal Switches, Multiplexers, Decoders Applications

• SONET/SDH optical transport systems
• Backplane redundancy configurations
• Add-drop Multiplexers (ADM)
• Fault tolerant protection circuits

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized Microchip Technology channels. Confirm RoHS compliance status as the standard UHI suffix indicates Sn-Pb finish. Ensure proper handling of the exposed pad thermal connection during assembly. Validate that the tape and reel packaging matches specific manufacturing requirements.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for applications requiring high-speed signal switching with flexible topology options. Consider the internal termination feature if interfacing with mixed logic standards like PECL or LVPECL. Evaluate the 32-pin TQFP package constraints against available PCB real estate. Verify power supply stability within the specified 2.3V to 3.6V range for optimal performance.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SuperLite series of high-speed analog and digital crosspoint ICs. It is manufactured by Microchip Technology, formerly Micrel. The device is designed for demanding communication and networking environments where signal integrity and low skew are critical. It serves as a core switching element in complex digital backplanes.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SY55858UHG