8V19N474BFGI8-Renesas-Price, Stock & Datasheet

The 8V19N474 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 required to drive physical layer devices and provides the clean clock frequencies of e.g. 625, 500, 312.5, 250, 156.25 and 125MHz. A two-stage PLL architecture supports both jitter attenuation and frequency multiplication. The first stage PLL is the jitter attenuator and uses an external VCXO for best possible phase noise characteristics. The second stage PLL locks on the VCXO-PLL output signal and synthesizes the target frequency. This PLL has a VCO circuit at 2500MHz.

High-performance clock RF-PLL
Optimized for low phase noise: -153dBc/Hz (1MHz offset; 156.25MHz clock)
Integrated phase noise (12kHz-20MHz) of 75fs RMS typ.
Dual-PLL architecture
1st-PLL stage with external VCXO for clock jitter attenuation
2nd-PLL stage with internal FemtoClock NG PLL at 2500MHz
6 output banks with a total of 12 outputs, organized in:
- Two clock banks with one integer frequency divider and three differential outputs
- Two clock banks with one integer frequency divider and two differential outputs
- One clock bank with one fractional output divider and one differential output
- One VCXO-PLL output bank with one selectable LVDS/two LVCMOS outputs
Four output banks contain a phase delay circuit with steps of the VCO clock period (400ps)
Supported clock output frequencies include:
- from the integer dividers: 2500, 1250, 625, 500, 312.5, 250, 156.25 and 125MHz
- from the fractional divider: 80 – 300MHz
- Low-power LVPECL/LVDS outputs support configurable signal amplitude, DC and AC coupling and LVPECL, LVDS line terminations techniques
Redundant input clock architecture
Two inputs
Individual input signal monitor
Digital holdover
Manual and automatic clock selection
Hitless switching
Status monitoring and fault reporting
Input signal status
Hold-over and reference loss status

Renesas 8V19N474BFGI8

Manufacturer No:

8V19N474BFGI8

Manufacturer:

Renesas

Package:

Description:

JESD204B/C Clock Jitter Attenuator

In Stock :8837

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ISO 9001:2015

ANSI/ESD S20.20

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