SY89872UMG

Clock Buffers, Drivers Overview

The SY89872UMG is a Precision Edge® clock divider and fanout buffer manufactured by Microchip Technology. It accepts any differential input signal and converts it to LVDS outputs. The device supports programmable division ratios of 1:1, 1:2, 1:3, or 1:4, alongside a 1:2 fanout buffer. It operates at a maximum frequency of 2 GHz with a supply voltage of 2.5V ±5%. Key electrical characteristics include an output voltage swing of 250–450 mV and a common mode voltage range of 1.125 V to 1.375 V. The component is housed in a 16-lead VFQFN package with an exposed pad.

Clock Buffers, Drivers Feature Summary

• Programmable divide-by-1, 2, 3, or 4 functionality combined with a 1:2 fanout buffer
• Supports any differential input standard (CML, LVDS, PECL) converted to LVDS outputs
• Internal 50Ω termination on the differential input for impedance matching
• Operates within a -40°C to +85°C temperature range

Clock Buffers, Drivers Applications

• Clock distribution networks requiring frequency division
• System synchronization where differential inputs must be converted to LVDS
• High-speed data communication interfaces

Clock Buffers, Drivers Procurement Notes

Verify the specific package marking and date code against the manufacturer's latest documentation. Confirm that the 2.5V supply requirement aligns with the target board design. Ensure ESD handling procedures are followed due to the small form factor. Check for any recent Product Change Notifications (PCN) regarding assembly sites or materials.

Clock Buffers, Drivers Selection Notes

Select this component when a single differential source needs to drive multiple LVDS destinations at divided frequencies. It is suitable for designs requiring internal input termination to simplify PCB layout. Compare against the SY89871U if LVPECL outputs are required instead of LVDS. Ensure the input signal amplitude meets the specified VIH/VIL thresholds for the chosen logic family.

Clock Buffers, Drivers Part Context

This device belongs to the Micrel Precision Edge® series, now under Microchip Technology. It serves as a specialized timing solution for converting various differential standards into low-voltage differential signaling. The part replaces older discrete divider and buffer combinations, offering a compact integrated solution for high-speed clock management.

Clock Buffers, Drivers Replacement Considerations

The SY89872UMG-TR is the tape-and-reel version of this component. For LVPECL output requirements, consider the SY89871U. Verify pin compatibility if substituting with other devices in the SY8987x family.