SY58032UMG

Clock Buffers, Drivers Overview

The SY58032UMG is a Precision Edge® ultra-precision 1:8 fanout buffer with LVPECL outputs and internal termination. It operates from a 2.5V ±5% or 3.3V ±10% supply, supporting clock frequencies up to 4GHz. Key electrical parameters include propagation delay (tpd) of 180ps to 330ps, output rise/fall times under 110ps, and output-to-output skew less than 20ps. The device features fully differential inputs/outputs, accepts input signals as low as 100mV, and delivers typical LVPECL output swings of 800mV into 50Ω loads. It is housed in a 32-pin MLF package.

Clock Buffers, Drivers Feature Summary

• Ultra-high-speed 1:8 fanout buffer with guaranteed AC performance over temperature and voltage
• Low-jitter performance with typical RMS phase jitter of 76fs (12kHz - 20MHz)
• Unique 3-pin input termination architecture accepting DC-coupled and AC-coupled LVPECL, CML, and LVDS signals
• Fully differential inputs and outputs with 100k LVPECL compatible outputs

Clock Buffers, Drivers Applications

• SONET and GigE clock distribution
• Fibre Channel clock and data distribution
• Network routing engine timing distribution
• High-end, low-skew multiprocessor synchronous clock distribution

Clock Buffers, Drivers Procurement Notes

Verify the ordering suffix 'G' indicates a Pb-Free package with NiPdAu lead finish, distinct from the 'I' suffix which uses Sn-Pb. Confirm the presence of 'TR' for tape and reel packaging if required. Ensure the component meets industrial temperature range requirements (-40°C to +85°C). Check for moisture sensitivity level qualifications before assembly.

Clock Buffers, Drivers Selection Notes

Select the SY58032UMG when an 8-channel LVPECL fanout buffer is needed with high precision and low skew. Consider the SY58031U for CML outputs or the SY58033U for 400mV LVPECL outputs if different signal levels are required. Ensure the design supports the 32-pin MLF package thermal requirements by soldering the exposed pad to a ground plane.

Clock Buffers, Drivers Part Context

The SY58032UMG belongs to Micrel's Precision Edge® product line, now part of Microchip Technology following acquisition. It is designed for high-speed, low-jitter clock distribution applications. The device is functionally similar to the SY58031U and SY58033U but specifically optimized for LVPECL outputs with internal termination.

Clock Buffers, Drivers Replacement Considerations

Public confirmed substitute part numbers: SY58031U, SY58033U.