M2051-11-625.0000

Clock Generators, PLLs, Frequency Synthesizers Overview

The M2051-11-625.0000 is a Voltage Controlled SAW Oscillator (VCSO) based clock PLL designed for FEC clock ratio translation in 10Gb Ethernet applications. It features an integrated SAW delay line and provides an output frequency range of 15 to 700 MHz. The device exhibits low phase jitter, typically less than 0.5 ps rms within the 12kHz to 20MHz or 50Hz to 80MHz offset ranges. It operates within a commercial temperature range of 0°C to 70°C and supports multiple input logic standards including LVCMOS, LVDS, LVPECL, and LVTTTL.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrated SAW delay line for precise frequency control
• Supports pin-selectable PLL configuration
• Designed for FEC clock ratio translation in high-speed networking

Clock Generators, PLLs, Frequency Synthesizers Applications

• FEC clock ratio translation in 10Gb Ethernet systems
• Clock generation for high-speed data transmission interfaces
• Timing solutions requiring low phase jitter performance

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific suffix 'T' if tape-and-reel packaging is required, as standard listings may indicate bulk or tray options. Confirm the operating temperature grade matches the 0°C to 70°C specification for your environment. Ensure input signal levels align with the supported LVCMOS, LVDS, LVPECL, or LVTTTL standards. Cross-reference the package marking with the 36-CLCC (9x9) physical dimensions to avoid assembly errors.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing for 10Gb Ethernet FEC translation requirements. The integrated SAW technology offers superior phase noise performance compared to standard VCOs. Consider the 15-700 MHz output flexibility for various system clocking needs. Verify that the low jitter specification meets the sensitivity requirements of the downstream receiver circuits in your high-speed serial link design.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the M2050/51/52/53 family of VCSO-based clock PLLs. These devices are specifically engineered for telecommunications and high-speed networking applications where precise frequency translation and low jitter are critical. The family shares common architectural features but differs in output frequencies and specific interface configurations tailored for different protocol standards.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Direct replacement requires matching the 36-CLCC package, 625MHz reference input capability, and specific jitter performance metrics. Consult Renesas official cross-reference tools for qualified alternatives.