8V19N478 Datasheet (Renesas) - Jitter Attenuator and Clock Synthesizer

8V19N478, Jitter Attenuator and Clock Synthesizer

The 8V19N478 is a fully integrated FemtoClock NG jitter attenuator and clock synthesizer designed as a high-performance clock solution for conditioning and frequency/phase management of 10/40/100/400 Gigabit-Ethernet line cards.

The device is optimized to deliver excellent phase noise performance as

8V19N478 Features

* ▪ High-performance clock RF-PLL:

* Optimized for low phase noise: -157.7dBc/Hz (1MHz offset; 156.25MHz clock), design target

* Integrated phase noise, RMS (12kHz

* 20MHz): 73fs (typical), design target ▪ Dual-PLL architecture:

* 1st-PLL stage with external VCXO for cloc