SY58018UMG

Signal Switches, Multiplexers, Decoders Overview

The SY58018UMG is a high-speed, ultra-precision differential LVPECL 2:1 multiplexer manufactured by Microchip Technology. It operates on a 2.5V ±5% or 3.3V ±10% power supply and supports data throughput up to 5 Gbps and clock frequencies exceeding 4 GHz. The device features guaranteed propagation delay of less than 240 ps from input to output, with rise/fall times under 110 ps. It utilizes an internal termination architecture accepting DC- and AC-coupled inputs such as CML, PECL, and LVDS. The component is housed in a 16-lead QFN package (3 mm x 3 mm) and functions within an industrial temperature range of –40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Features unique internal input termination architecture that accepts DC- and AC-coupled differential signals without external level shifting or resistor networks.
• Provides 800 mV LVPECL outputs compatible with 100k loads, ensuring extremely fast signal transitions.
• Operates on dual voltage supplies of 2.5V ±5% or 3.3V ±10% for flexible system integration.

Signal Switches, Multiplexers, Decoders Applications

• Redundant clock distribution systems
• SONET/SDH clock and data distribution
• Fibre Channel distribution networks

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix to confirm packaging configuration. The 'MG' suffix indicates a 16-lead QFN package with an industrial temperature range. Confirm whether the required unit is supplied in tubes or tape and reel format, as this affects handling and assembly processes. Ensure compatibility with the intended supply voltage environment before procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select the SY58018UMG when interfacing with various differential standards like CML, PECL, or LVDS without requiring external termination components. This part is suitable for designs needing low jitter and high-speed switching capabilities up to 5 Gbps. Consider alternative models if different output swing voltages or pin counts are required for the specific application layout.

Signal Switches, Multiplexers, Decoders Part Context

This component belongs to Microchip’s Precision Edge product line, designed for high-speed logic applications. It serves as a specialized multiplexer within the encoder, decoder, and mux family. The device integrates advanced termination capabilities to simplify board design and reduce component count in high-frequency signal routing scenarios.

Signal Switches, Multiplexers, Decoders Replacement Considerations

For applications requiring CML outputs, consider the SY58017U. For designs needing 400 mV LVPECL outputs, the SY58019U is the designated alternative. Verify pinout and electrical specifications match before substituting these related devices.

Signal Switches, Multiplexers, Decoders FAQ

How does the SY58018UMG handle input termination?

The device includes a unique 3-pin input termination architecture where each side of the differential input pair internally terminates to a VT pin through 50Ω resistors, eliminating the need for external termination networks.

What is the maximum operating frequency for clock signals?

The device supports clock frequencies greater than 4 GHz, provided the output voltage remains above 400 mV.