SY89829UHY

Clock Buffers, Drivers Overview

The SY89829UHY is a high-performance dual 1:10 or single 1:20 LVPECL clock driver manufactured by Microchip Technology. It operates at supply voltages of 2.5V and 3.3V, supporting maximum toggle frequencies exceeding 2GHz. The device features multiplexed inputs accepting either LVDS or LVPECL signals, with LVDS inputs including internal 100Ω termination. Key performance metrics include guaranteed within-device skew of less than 50ps and part-to-part skew under 200ps. It utilizes a 64-pin EPAD-TQFP package and includes synchronous output enable functionality to prevent runt pulses.

Clock Buffers, Drivers Feature Summary

• Dual 1:10 fanout buffer/translator with multiplexed LVDS/LVPECL inputs
• Guaranteed AC parameters: >2GHz fMAX and <50ps ch-ch skew
• LVDS inputs feature integrated 100Ω internal termination
• Synchronous Output Enable (OE) prevents runt clock pulse generation

Clock Buffers, Drivers Applications

• High-performance PCs and workstations
• Parallel processor-based systems
• Redundant LVPECL or LVDS bus clock switchover

Clock Buffers, Drivers Procurement Notes

Verify the component status as the SY89829U series may be discontinued or restricted in certain regions. Confirm RoHS compliance details for the specific batch. Ensure the ordering suffix matches the required packaging format, such as Tape and Reel for the 'TR' variant. Check for moisture sensitivity levels prior to soldering.

Clock Buffers, Drivers Selection Notes

Select this component when low pin-to-pin skew (<50ps) and high output count are critical. The internal LVDS termination simplifies PCB layout by removing external resistors. Ensure VCCI and VCCO are connected on the PCB to maintain potential equality, as they are not internally connected on the die.

Clock Buffers, Drivers Part Context

This device belongs to Micrel's Precision Edge® family, now under Microchip Technology. It replaces older discrete solutions by integrating redundant clock switching and high-speed buffering into a single chip, reducing overall system cost and timing budget constraints associated with multi-device setups.

Clock Buffers, Drivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.