M2053-11-644.5313

Clock Generators, PLLs, Frequency Synthesizers Overview

The M2053-11-644.5313 is a VCSO-based Phase-Locked Loop (PLL) frequency translator designed for Gigabit Ethernet applications supporting 64B/66B Forward Error Correction (FEC). It operates with a common input frequency of 625 MHz and generates an output frequency of 644.5313 MHz. The device utilizes LVPECL output signaling to ensure precision timing in high-speed data communications. It functions at a core voltage of 3.3V and is housed in a 36-lead package.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Implements a Voltage-Controlled Sawtooth Oscillator (VCSO) based PLL architecture for frequency translation
• Provides LVPECL output signals tailored for high-speed data communication timing requirements
• Supports specific Gigabit Ethernet protocols including 64B/66B Forward Error Correction

Clock Generators, PLLs, Frequency Synthesizers Applications

• Gigabit Ethernet systems requiring 64B/66B FEC compliance
• High-speed data communication interfaces needing precise clock translation
• Network equipment utilizing 625 MHz reference inputs

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify component authenticity through authorized channels, as the part may be discontinued or subject to supply constraints. Confirm package integrity and date codes upon receipt. Cross-reference datasheet revisions to ensure compatibility with current design specifications. Validate electrical parameters against original Renesas documentation before integration into production systems.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a fixed frequency translation from 625 MHz to 644.5313 MHz is required for GbE FEC applications. Consider the LVPECL output format and 3.3V operating voltage during system design. Evaluate phase noise characteristics inherent to the VCSO PLL architecture against system jitter budgets. Ensure thermal management aligns with the 36-lead package specifications.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the M2053 series of frequency translators manufactured by Renesas Electronics. It is derived from Integrated Device Technology (IDT) product lines following corporate acquisitions. The part serves specialized networking roles where deterministic latency and precise frequency multiplication are critical for maintaining signal integrity in Ethernet frames.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Designers should consult official Renesas change notices or contact manufacturer support directly for qualified alternatives or last-time-buy information regarding this specific frequency configuration.