SY89311UMI-TR

Clock Buffers, Drivers Overview

The SY89311UMI-TR is a high-speed 1:2 differential fanout buffer from the Precision Edge series, manufactured by Microchip Technology. It supports 2.5V, 3.3V, and 5V power supplies and accepts 10/100K ECL/PECL signals. The device guarantees AC performance over temperature with a maximum toggle frequency exceeding 3.0GHz, output-to-output skew under 20ps, and typical phase jitter of 51fs RMS. It features internal clamping circuitry to maintain stability under open input conditions and is housed in an ultra-small 8-pin MLF package.

Clock Buffers, Drivers Feature Summary

• Supports 2.5V, 3.3V, and 5V power supply voltages
• Guaranteed AC parameters including fMAX > 3.0GHz and <20ps output-to-output skew
• Ultra-small 8-pin MLF (2mm x 2mm) package
• Wide operating temperature range from –40°C to +85°C

Clock Buffers, Drivers Applications

• Precision edge applications requiring ultimate AC performance
• High-speed differential clock distribution
• Systems utilizing 10/100K ECL/PECL signal standards

Clock Buffers, Drivers Procurement Notes

Verify the ordering suffix 'MI' corresponds to the MLF-8 package type and industrial operating range. Confirm lead finish specifications, as variants exist with Sn-Pb or Pb-Free NiPdAu finishes. Ensure compatibility with the required voltage levels (2.5V, 3.3V, or 5V) for the specific application design.

Clock Buffers, Drivers Selection Notes

Select this component when low skew and high-frequency operation are critical. The device accommodates both 10K and 100K ECL/PECL inputs with external termination. Consider the 8-pin MLF package size constraints and thermal resistance characteristics for PCB layout planning.

Clock Buffers, Drivers Part Context

This part belongs to the SY89311U family of differential fanout buffers. It serves as a successor to older devices like the EL11V, offering improved within-device skews and output transition times. The product line focuses on precision timing solutions for high-speed digital systems.

Clock Buffers, Drivers Replacement Considerations

Direct replacements should be sought within the SY89311U family or compatible Micrel/Microchip fanout buffers. Verify pinout compatibility and electrical specifications such as skew and jitter requirements before substitution.