SM802121UMG-TR

Clock Generators, PLLs, Frequency Synthesizers Overview

The SM802121UMG-TR is a clock synthesizer and jitter cleaner from Microchip Technology, designed for high-performance timing applications. It operates within a supply voltage range of 2.375 V to 3.465 V and supports an input frequency up to 80 MHz. The device features a maximum output frequency of 156.25 MHz with LVCMOS output levels. Packaged in a 24-QFN exposed pad format, it functions across an industrial temperature range of -40°C to +85°C. This component integrates frequency synthesis capabilities to provide precise clock signals for digital systems requiring low jitter performance.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates frequency synthesis functionality to generate precise clock signals
• Supports LVCMOS output levels for standard logic interface compatibility
• Operates within a wide industrial temperature range for robust environmental stability

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-speed data communication interfaces requiring precise timing
• Digital signal processing systems needing low jitter clock sources
• Network equipment utilizing frequency synthesis for signal integrity

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific package variant and suffix against the official Microchip datasheet to ensure compatibility with your PCB footprint. Confirm that the operating voltage requirements align with your system's power rails before integration. Check for any recent product change notifications regarding pinout or electrical characteristics updates. Ensure handling procedures account for moisture sensitivity classification during storage and reflow processes.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a dedicated clock synthesizer with integrated jitter cleaning is required for LVCMOS-based designs. Consider the 24-QFN package constraints for thermal management and board space availability. Evaluate the input frequency limitations against your reference clock source capabilities. Compare power consumption metrics if energy efficiency is a critical design parameter for the target application environment.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to Microchip's family of clock synthesizers and jitter cleaners, which are essential components for maintaining signal integrity in modern electronic systems. These devices typically replace discrete crystal oscillator solutions by providing flexible frequency generation and noise reduction. The SM802121UMG-TR specifically targets applications where stable, low-jitter clocks are vital for high-speed data transmission and processing accuracy.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Consult the official Microchip cross-reference guide for verified substitute part numbers. Ensure any replacement maintains identical package dimensions and pin assignments to avoid PCB redesign. Verify that alternative components meet the same electrical specifications and operational temperature ranges.